Westfalia Separator AG

lnst ruct ion Manual andParts List

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Type

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Permissible density of productto be treated

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F o r y o u r s a f e t y

S t r i c t l y a d h e r e t o i n s t r u c t i o n s m a r k e d w i t h t h i s s y m b o lThis avoids damage to the machine and other units.

T a k e s p e c i a l c a r e w h e n c a r r y i n g o u t o p e r a t i o n s m a r k e d w i t ht h i s s y m b o l -

otherwise danger to l i fe,

O b s e r v e a c c i d e n t p r e v e n t i o n r e g u l a t i o n sThe local safety and accident prevention regulations apply uncondi-tionally to the operation of the separator.

l n s t r u c t i o n m a n u a lFollow only the instructions given in this manual

O p e r a t e t h e s e p a r a t o r o n l y i n a c c o r d a n c e w i t h a g r e e d p r o -c e s s a n d o p e r a t i n g p a r a m e t e r s

M a i n t a i n t h e s e p a r a t o r a s s p e c i f i e d -

in th is manual

C a r r y o u t s a l e t y c h e c k s o n t h e s e p a r a t o r -

as described in chapter "Safety precautions" in this manual

L i a b i l i t y f o r t h e f u n c t i o n o f t h e m a c h i n e p a s s e s t o t h e o w n e rLiabil i ty for the function of the machine passes uncondit ionally to theowner or operator irrespective of exist ing warranty periods in so far asthe machine is improperly maintained or serviced by oerscns otherthan Westfal ia Separator service personnel or i f the macnrne is not ap-ol ied in accordance with the intended use.Westfal ia Separator AG shall not be l iable for damage rf- ch occurs asa result of non-observance of the above. Warranty anc rabrl i ty condi-t ions in the Condit ions of Sale and Deliverv of Westia ia Seoarator AGare not extended by the above.

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Safe ty p recau t i on sCorrect usage .Safety stickers on the machineBasic operat ing pr inciplesBowl speed and productOperations on the separatorAssemblyElectrical appliancesBefore start-upOperationShut-down and " Emergency-Off"

1.5.6 Maintenance and reoair1.6 Cor ros ion1.7 Eros ion

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r content monitoring system (WMS) for

Technical informationSeparationNotes on separation with the purifier bowl (-02- operation) . .Make-uo waterNotes on seoaration with the clarifier bowl .General information on bowl ejectionsBefore start-uo

2.1.2 Centri fuge with sludge space monitoring system (SMS) forfuel oi l treatment

2.1.3 Centr i fuge with sludge space monitor ing system (SMS) forlube oi l t reatmentComoonents of the 0lant and the seoaratorTechnical DataOperating principles of the separatorOperating principles of the bowl . . .Operat ing pr inciples of the hydraul ical ly control led sl id ing piston . .Operating principles of the centripetal pumpOperating principles of the gearOperating principles of the centrifugal clutch

2.5 The regulat ing r ing2.5.1 Determining the size of regulating r ing by experiment

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Before initial start-upWhenever starting .Start-up of separatorMon itori ng of operationSetting the separating timeDetermining the separating t ime by calculationBowl ejectionsStopping the separator

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m a i n t e n a n c e a n d r e p a i rInstallation of the plantConnecting the plantFas ten ing thesepara to r . . , . .Motor connection . .Direction of rotation of the bowlSpeed and starting time of bowlMaintenance and lubr icat ion . . .Lubricat ion and maintenance schedule . . . .Lubricat ionL u b r i c a t i o n C h a r t . . .W e a r t o g e a r . . . . . .Bowl .Dismantl ing the bowlCleaning the bowlCleaning the upper sect ion of f rameCleaning the strainer and the operat ing-water feed systemlmportant hints . .Assembling the bowlReplacing the PolyamReplacing the polyamVertical gear partsRemoving the vertical gear PartsCleaning the gear chamber , . .Re-assembly of vertical gear partsHeight adjustmentBowl heightCentripetal pumP clearance . .Neck bearingMotor and centr i fugal c lutchRemoving the motorP r i o r t o f i t t i n g t h e m o t o r . . . . . . .Fi t t ing the motor ,Removing the clutch shoes . . , .Fi t t ing the clutch shoesFitting the clutch driverRemoving the gear pump and pump coupl ing . , .H o r i z o n t a l g e a r p a r t s , , . .Removing the worm wheel .Before a long-term shut-down of the separator ' . 'Fitting the worm wheelRemoving the clutch drum and worm wheel shaft 'lnstallation of the worm wheel shaft and the clutch drumInstal lat ion of the seal ing r ingsFinal checks after assembling the separator

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P a r t s l i s t . .Guide to ordering parts .F r a m e , c o m p l e t e , . . .Lower section of frame ,Lower section of frame (view from below) .Lower section of frameUpper sect ion of f rame with syphon . .Upper sect ion of f rame without syphonIn termed ia te f lange c0mple te . . . ,Inspect ion port . comPl. (

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oJunct ion assemblyJunct ion assemblyFlansch vol lst .Fastening parts

1 4 61 4 71 4 8149of the seoarator

Gear. complete . 151Spring assemblyWorm spindle, completeNeck bearing bridge with cover, cpl.Centr i f ugal c lutch, completeRevolution indicator, completeAvailable oear oartsB o w l c o m p l e t e . . .C e n t r i p e t a l p u m p , c o m p l . . . . .H o o d , c o m p l e t e . . ,AccessoriesWater feed line. compl.Set of tools and accessories , .Lubricant (hazardous substance)Single gear pump (with part numbers for pump connections compl.)Pump connection, compl.Pump connection, compl.Pre-strainer, compl. (on special order) .Pre-strainer complete (on special order) .

o s c 5 0 - 9 1 - 0 6 6 .6.1 The regulat ing r ing6.1.1 Determining the size 0f the regulat ing r ing with the aid of

the diagram 1876,1 .2 Determining the size of regulat ing r ing by experiment 1896.2 Dismantl ing and assembling the bowl . 191

Bowl completeSingle centr ipetal pump, compl.Hood, complete . .

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A p p e n d i x . . 1 9 7Table of lubr icat ing oi ls , . . 198Comments on table of lubr icat ing oi ls . . 199The health hazards involved when handl ing heavy oi ls and lube oi ls . . . . 200Specifications for the use of separators 201

201 /0699

-Westfal ia Separator AG

1 .5 . ' 1 Assem b lY . l f the plant has severar ce^:"-Jes,be caref ul not to intercna' :e ca' ls o. fdi f ferent bowls since eac. o3Y/ 1asbeen balanced individua tYThe bowl oarts are marKec w i^ :heserial-number of the macnlne cr w tnthe last three digi ts c ' theserial-number,

Damaged parts must be rePlaced im-mediately by new Parts.

After installing certain critical sparebowl oarts. the bowl must bere-balanced.

The bowl parts are arranged in fixedoosit ions relat ive to one another.Locking devices and al ignmentmarks must be in perfect condit i0n.The bowl must not be operated ifthese locking devices and al ignmentmarks are not in perfect condition.

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When assembling the bowl. be sureto strictly adhere to the instructionsgiven in chapter "bowl", in order toavoid undue unbalance.Before starting the bowl, be sure to fitall parts.Tighten the bowl lock r ing securely:the "O" marks on the bowl bottom orbowl top and on the lock ring must bein l ine with each other.

Check i f the machine is completelyassembled and properly installed.

Carefully fasten hood 1, feed anddischarge housing 2 and centripetalpump 3 .

The governing accident preventionregulations apply for the electricalappl iances and instal lat ions.The frequency and voltage of thepower supply must correspond to themachine specif icat ions.Carry out potential equalization.Observe legal regulat ions; e.g. inthe EU:- Low-voltage guideline 73l23lEWG- Electro-magnetic compatibility

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. Check that the bowl icc< '^ j ^asbeen f i rmlY t ightened

. The 'O" marks on bowl cc : : - c rbowl toP and on the lock r inE -- -s: oeal igned.

. The bowl must rotate in clockw se dt-rect ion (see arrow on f rarre c ' sol idscol lector).

o The separator may only be operateowith orotection devices conforming toEN 294Eouip sol id and l iquid discharges ac-cordingtY

. Check that the lubr icat ion and coo-ling systems are serviceable.

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Check whether the supervisoryequipment is operational and the cor-rect limit values are adjusted.When hoods, concentrate collectorsand vessels are pressurized e.g. by- Inert gas,- cool ing,- steam sterilization etc,the pressures stated on the name-plate must not be exceeded.

Check that the product tines are setto ooerat ion.Regularly check hoses for signs ofageing.Check sight glasses for mechanicalu d i l t d u E .

Replaie damaged parts by partswhich are as good as new.

Refer to chapter " opetdtionr ,Note nameplate, The values for- bowl soeed- density of the heavy l iquid,- density of solids (centrifugally dry)are max. values and must not be ex-ceeded.

o Wear ear protection

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I n case o f l r equ ency con ve r te r ope r -a t i o n :. Do not under any circumstances ma-

nipulate the frequency converter toexceed the permissible bowt speed(see maker 's nameplate)

. The separator may only be operatedwith an independent device f or speedl im i t ing .

Do not feed product which is catego-rised as exolosive.The separator must not be used inareas where explosion protection isreourreo.

When processing products harmfulto persons, observe the pertinent sa-fety regulations.Refer to the safety data sheet of theproduct.Wear protective clothing.

Stop the separator immediately i f un-usual noises or vibrat ions occur.

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O n l y i n c a s e o f h o t o p e r a t i o n :o Product-contacting parts such as

- pipes and hoses,- hood,- sol ids col lectorreach temperatures over 80 oC.

The bowl is not allowed to run withoutl iquid supply for more than 15 min-utes. as otherwise it would result inoverheating of the bowl material,

For shut-down refer to the chaoter"ooerat ion".

xa in tenance and re . Unfavourab leopera t ingcond i t ionsmayrequ i reshor te rmain tenance in te rva ls .Thep a ir factors listed below are unfavourable because they either attack the separator ma-

terial directly or impair the lubrication/cooling system:. aggressive product (chemical or physical). high product temperatureo product with grease decaying propeftieso environment: temoerature, dust and vaoours

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)oPart icular ly stressed pals s-:- asbearing hub, bowl hub a^: : : -e ' sowlparts with a large outer c a-e:e' -rstbe checked on a regula' cas s : : e^sJresafe and efficient ooerai o-

Before maintenance and servicing,o switch off all electrical appliances via

the main switch,. secure instal lat ion against unin-

tended re-starting with locking de-vices.

D o n o t l o o s e n a n y p a r t b e f o r e t h eb o w l h a s c o m e t o a s t a n d s t i l l .For checking standst i l l re fer tochaoter "bowl .

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Timely maintenance and replacement of worn or damaged machrne parrs s essen-t ial for safe ooeration of the machine.

Maintenance and repair work may only be carried out by the customer to 1r e extentas described in this instruction manual.

Maintenance and repair work not described in this manual may only be car ed outby the manufacturer or by "repair shops" authorized by the manufacturerWe therefore, recommend in your own interest to have your separator rnscectedby our service engineers at regular intervals. Such inspections wil l keep yo"r separ-ator working rel iable and prevent undesirable shut-downs,

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Collect dr ipping oi l to p.eve^: : a.gerof s l ipping or product r^:e:: c^When handl ing waste o rs ^ c:e- They can be injur ious tc ^ ea :^ de-

pend ing on the i r chen :a lom-oosit ion,

- Waste oi l must be d soosec cf rnaccordance with local rec- a: crs.

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Cor ros ion Corrosion can also affect bowl parts made of stainless steel. This corrosion can beflat-spread or pit- or crack-shaped and merits special attention,Corrosion on stainless steel bowl material should be examined thoroughly and do-cumented.Flat-spread corrosion can usually be measured (reduction of wall thickness)Pit- or crack-shaped corrosion cannot be measured without the risk of damage. Atthe ini t ia l stage pi t-shaped corrosion is general ly caused by chlor ine ions.Depending on the stressing of the part, pit-shaped corrosion can result in crack-shaoed corrosion.

Possible formation of pit-shaped corro-s ron .

Fig. 34

Such pittings can only be investigated by a materials expert,In case of crack-shaped corrosion aftack with or without superposed flat-spreadand pi t-shaped corrosion on main bowl components, the machine must be shutdown im m ed ia te ly .Contact your nearest Westfalia Separator AG representative for a thoroug h exami-nat ion.

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Pi t t in gsPittings which are close together orform a linear pattern can signify crackformation beneath the surface.Such pittings should be investigated bya materials exDert.

ttr.-9001-201 /0699

r1 A Westfalia Separator AG

1 . 7 E r o s i o n Erosion is caused by solid particles in the process tiquid.These solid particles grind marks into the surfaces with which they come i-:c con-t a u t .

The following factors favour the occurrence of erosion:. hard solids particles. high throughput capacit iesThe f i rst s igns of erosion should be careful ly observed and documented. Erosioncan deepen rapidly, thereby weakening the bowl material.Contact your nearest Westfalia Separator representative for a thorough examrn-ation Information on the nature of the damage can be provided by photos plastercasts or lead molds

The surfaces most susceptible to erosion are

1) the bottom of the distr ibutor. the r is ing channels and the r ibs2) the centripetal pump (cavitation)3) all surfaces in the area of the solids discharge ports,4\ the nozzles.

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Signs of erosion which you should im-mediately report to your nearest west-falia Separator representative:. The bottom of the erosion mark has

a radius smal ler than 1 mm ( largenotch effect).

o The depth of erosion mark exceeds1 mm at the deepest point

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Appl icat ionCentrifuge with water content monitoring system (WMS) forfuel oil treatmentCentri fuge with sludge space monitoring system (SMS) forfuel oi l t reatment

2.1.3 Centr i fuge with sludge space monitor ing system (SMS) for

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lube oil treatmentComponents of the plant and the separatorTechnical Data .Operating principles of the separatorOperating principles of the bowlOperat ing pr inciples of the hydraul ical ly control led sl id ing piston . .Operat ing pr inciples of the centr ipetal pumpOperat ing pr inciples of the gearOperat ing pr inciples of the centr i fugal c lutchThe regulat ing r ing .Determining the size of regulating ring by experiment

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Producl feedShut-off devicePreslrainerGear pumpPre-sel valveSleam-heated oil prehealerAutom. lemperalure regulalorSleam inlclSafely valveLeak oil lo overflow lankCondensate outleiDrain and venl cockFlowmelerPressure gaugeThermomelerCentrifugeNon-relurn valve with shul-off deviccProducl dischargeFeed l ine assemblyOperaling-waler dischargeWatcr dischargcSludge dischargeShul-off device (operaling waler,Pressure gauge (operating wale')Water feedMolor conlrolHoislPressure swilch for clean o crsc.a'gc

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I Distr ibutor

Sliding piston

Gaskel

Closing-chamber bol-lom

Gaskel

Gaskel

Gaskel

GasketAnnular piston

Gaskel

Gaskel

Gaskel

Gaskel

Spindle screw'

[] Bowl boltom

Gaskel

Allen screw

Gaskel

Gaskel

Lock ring

Cenlr ipetal pump chamber cover

Gaskel

Gasket

Scns rng i qu r c c - - aGaskel

Cenlr ipc la o--r : a-cer coverCenlr ipc ia o-- ;

Gasket

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Lock r ing -

Gaskel

Gasket

Gaskel

Gaskel

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Disk

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Fig. a0 - Exploded view ol the bowt

the complete bowl must be re-balanced

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l g p l i c a t i o n The separators OSC . , -0136-. and OSC . . -s6-, . . wi th UNTTROL systemr are eQuipped with a self-cleaning disk-type bowt and' are applied for clarification and purification in fueloil (up to a density of 1 .0'l g/ml)

and lube oi l t reatment olants.The centrifuges of the c -Generation are equipped with a "soft-stream-inlet system,,for gentle product treatment. This results in optimum separating efficienly andhi gher specif ic capacit ies,The patented HydroStop system enables controlled bowlejections to be performedat full operating speed, The centrifuges operate without regulating rings,The centrifuges with uNlrRoL system are provided with two basic monitoring sys-tems:r Water content monitoring system - WMS. Sludge space monitor ing system - SMS,,separation" means the separation of liquid mixtures which consist of two liquids.with simultaneous removal of the solids contained in the liquids., ,Clar i f icat ion" is the removal of sol ids from a l iouid.The most important component of the centrifuge is the bowl. Depending on the ap-pl icat ion, the bowl of design -0136- can be assembled to ooerateo as clarifier/purifier bowt (WMS) or. as clar i f ier bowlwith sel f- thinker controlsystem (SMS)Conversion of the clarifier/purifier bowl into a clarifier bowl with self-thinker controlsystem and vice versa can be carried out quickly and easily.Prerequisite for treatment technology (separation) is that the components of theproduct

- can be separated mechanically- have different densities and- do not emulsify.

2044-9001 -201 / 0699

Westfalia

2 .1 . 1 Cen t r i f uge w i th wa te rc o n t e n t m o n i t o r i n gsys tem (WM S) f o rf u e l o i l t r e a t m e n t

Fig. 41 - W aler content monitoring system (W MS) fot fuel oi! Ireatment

1 Dirty oil feed2 Clean oil discharge3 Displacement water4 Pressure gauge5 Conductivity sensor6 Pressure switch

(no function with WMS)7 Solenoid valve8 Solenoid valveI Sensing l iquid flow

1o Sensing l iqu id pump11 Contro l uni t12 Centr ipeta l pump (c lean o i i )13 Separating disk14 Dirty water discharge15 Sludge space16 Sludge discharge17 Operating water discharge18 Operating water feed20 Contro l holes (openl)

The fuel oi l is conveyed to the centr i fuge by means of a separate pump or a pumpflanged to the separator,The clar i f ied clean oi l is discharged under pressure (2) by means of centr ipetalp u m p ( 1 2 ) .The bowl is opened and closed automaiically for solids ejection at f ull bowl speedby means of a remote-control led solenoid valve in the operat ing water l ine. Theopening t ime of the solenoid valve is 3 seconds.The smal lvolume of l iquid (9)which is branched off v ia the separat ing disk (13) andthe sensing l iquid pump (10) is monitored by a conduct iv i ty sensor (5)lf the sensor registers water the solenoid valve (8) opens and the water ftows offthrough the dir ty water discharge (14). The centr i fuge operates as a puri f ier.As soon as the sensor detects a change in conduct iv i ty brought abcut by an in-creased proport ion of oi l , the solenoid valve (8) closes and the solenoid valve (7)opens intermit tent ly. The sensing l iquid f low (9) is recycled rnto t : re feed (1). Thecentrifuge operates as a clarifier.The control and monitor ing unit guarantees unsupervised opera: icn

2CL4 ?i.'a' 201 /0699

l f : Cen t r i f u ge w i ths t u d g e s p a c e m o n i -t o n n g s y s t e m ( S M S )lo r l ue l o i l t r ea tm en t

Fig. 42 - Sludge space monitoring system (SMS) lor fuet oiltreatment

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Dirty oil feedClean oil dischargeDisplacement waterPressure gaugeConductivity sensor(no function with SMS)Pressure switchSolenoid valveSolenoid valveSensing l iquid flow

10 Sensing l iqu id pump11 Contro l uni t12 Centripetal pump (clean oil)13 Separating disk14 Dirty water discharge15 Sludge space16 Sludge discharge17 Operating water discharge18 Operating water feed20 Control holes (closed!)

78o

The sM s for f uel oil treatment. is applied for clarification in two-stage fuel oil treatment.The fuel oil is fed to the ctarifier by the discharge centripetat pump of the upstreampurifier.The clarified clean oil is discharged under pressure (2) by means of centripetalp u m p ( 1 2 ) .The bowl is opened and closed automatically for solids ejection at full bowl speedby means of a remote-controlled solenoid valve in the operating water line. Theopening time of the solenoid valve is 3 seconds.A small amount of tiquid is diverted via the separating disk (13). tt is conveyed bythe sensing liquid pump (i 0) to the pressure switch (6) and recycted back into thefeed {1 ) .lf the sensing liquid intake becomes blocked due to water or solids accumulationin the sludge space (15), the pressure switch (6) sends a pulse to the controt unit.The automatic solids ejection program is triggered.The control system thus monitors the entire treatment svstem.

?71-s061 -rot , ornn

24 Westfalia Separator AG

2 .1 . 3 Cen t r i f uge w i ths l u d g e s p a c e m o n i -t o r i n g s y s t e m ( S M S )f o r l u b e o i l t r e a t m e n t

Fig. 43 - Sludge space monnoilng system (SMS) for lube oil trcatmenl

1 Dirty oil feed2 Clean oil discharge3 Displacement water4 Pressure gauge6 Pressure switch9 Sensing l iquid flow

10 Sensing l iqu id pump11 Contro l uni t12 Centripetal pump (clean oil)

13 Separating disk'l4 Dirty water discharge15 Sludge space15 Sludge discharge17 Operating water discharge18 Operating water feed19 Throttle20 Control holes (open!)

The sMs for lube oi l t reatment. is appl ied for the clar i f icat ion of diesel engine lube oi lThe lube oil rs conveyed to the centrifuge by means of a separate pump or a pumpflanged to the separator.The feed (1) is through a closed l ine system.The clarified clean oil is discharged under pressure (2) by means of centripetalp u m p ( 1 2 ) .The bowl is opened and closed automatically for solids ejection at f ull bowl speedby means of a remote-control led solenoid valve in the operat ing water l ine. Theopening t ime of the solenoid valve is 3 secondsAsmal lamounto f l iqu id i sd iver ted v ia thesepara t ing d isk (13) l t i s conveyed bythe sensing l iquid pump (10) to the pressure switch (6) and recycled back into thefeed (1) via a thrott le (19).Before separat ion begins, the sludge space (1 5) is part ial ly f i l led with water (3). Thed i r ty0 i l i s thenfed in th roughthe feed(1) Dur ing thesepara t ionprocess so l idsandwater are separated from the 0i l and col lect in sludge space (1 5) Wnen the waterreaches the control holes (20) the bypass (9) is interrupted. The pressure fal ls of fand the pressure switch (6) sends a pulse to the control uni t ( l1 lThe automatic sol ids eject ion program is then ini t iated by displacementThe control and monitor in0 unit ouarantees unsuoervised ooera:ror

nzA 3Ca. 201 /0699

Westfalia Separator AG

\

2 .3 Techn i ca l Da ta S u b j e c t t o m o d i f i c a t i o n !

C e n t r i p e t a l p u m p

Delivery capacity 15 000 - 23 000 l /hPressure head 2 - 3 b a r

Standa rd ope ra t i ng wa te r spec i f i ca t i on

Vol. of susoended matter max. 10 mg/ lPart ic le size max, 50 pm

Hardness:- up to 55 oC separating temperature- above 55 oC separating temperature

< 1 2 0 d H< 6 0 d H

The different hardness specifications can be converted using the formula glven be-low:1 " d H = 1 . 7 9 " f H = 1 . 2 5 " e H = 1 7 9 p p m C a C O 3

Chlor ine ions < 100 mg/lpH value 6 . 5 - 7 . 5

M o to r

Power 1 5 - 2 2 k W

Speed at 50 Hz , 1 t r t r r n ma J J r v t t lSpeed at 60 Hz 1 745 rpmDesign B 5

B o w l

Solids space (total) 1 1 d m 3Speed for densities- of the product up to 1.05 kg/dm3

(at 15 oC) and- the separated sol ids up to 1.4 kg/dm3

6 440-6 550 rpm

Speed for higher densit ies consult the factoryStarting time 6 - 1 0 m i n

?;:-1 T:' 201 /0699

IAG

0 -

!

I

naoo

rator AG

F e e d p u m p

Flanged gear pump or alternatively pump unit(gear or screw pump)Pump output(rating according to plant possible)

4 500 - 25 000 yh

Suct ion height 4 m W CPressure head. adiustable 1 0 - 2 0 m W C

W e i g h t s

separator (without motor, without pump) 1 220 kgBowl 365 kg3-phase AC motor 140 kgDC motor 243 kgGear pump (depending on s ize) 1 1-46 KgPre-strainer (depending on pump output) 8 - 2 6 k g

C ap aci tyThe capacity of the separator depends on the. viscosity. temperature. density. impuri ty loading. water content and. required degree 0f purity of the product

z6 Westfalia Separator AG

2 . 4 O p e r a t i n g p r i n c i p l e s o ft h e s e o a r a t o r

2.4 .1 Opera t ing pr inc ip leso f t h e b o w l

G en e ra l

A separator is characterized by the bowl for a specific applicati0n. Before comingto the particulars of the bowl the general operating principles of the separator areexolained firstLiouid mixtures or liouid-solids mixtures can be seoarated

- in the gravitational field of the settling tank or- in the centrifugal field of the separator,

orovided the constituents of the products have different densities.As the centrif ugal field of the separator is extremely more effective than the gravita-tionalfield of the settling tank. centrifugal separation in the separator is much fasterthan separation in the settling tank.

d l s c h a r g i n g c l a r i f l e d l l q u i d

sed im en t

f ttny R- (D,I n c o m i n g d l r t y l i q u i d

F ig .44

P u r i f i e r b o w lA l iquid mixture of l ight and heavy phases, e.g. oi l - water, iS separated into i ts c0n-stituents in the disc stack of the purifier bowl.The disc stack consists of a large number of conical discs placed one above theother. Each disc is provided with Spacers which ensure precisely determined nar-row disc interspaces.The entire separation chamber therefore consists of many parallelly arranged inter-spaces of low height, thus reducing the radial sett l ing distance for the sol tds.

The sol idso settle on the underside of the disc above and. sl ide down into the sol ids holding space.

The smooth disc surfaces favour sl id ing down of the sol ids and ^ en ce sel f-c lean-ing of the discs.

M n:1 ,201 /0699

The constituents of the liquid mixture (light and heavy phases) are separated in theseparation chamber.

C lar i f ie r bowlThe clarifier bowl is used if solids are to be separated out of a liquid.The operating principle of the clarifier bowl only differs from the purifier bowl in that. the discharge of the heavy liquid phase is ctosed.Only sol id- l iquid separat ion takes ptace.

2044-9001 -201 / 0699

rator AG

2 . 4 . 2 O p e r a t i n g p r i n c i P l e so f t h e h y d r a u l i c a l l yc o n t r o l l e d s l i d i n gp i s t o n

5

7

2 +1 +

i11

Separa t i onB o w l c l o s e d

E i ec t i onB o w l o p e n

Fig. 45 - The self-cleaning bowl

1 Light component discharge(centripetal pumP)

z Product feed3 Feed for make-uP water4 Sludge space5 solids discharge (bowl)s Sliding piston7 Annular piston

a Closing l iquid discharges Opening l iquid discharge

1o Heavy component discharge11 Solids discharge12 Operating l iquid feed13 Injection chamber14 Operating l iquid discharge

1i,li{ ll l llrl

The operating liquid (usually water) fed into the rotating bowl produces a high cen-tr i fugal pressure. This pressure is ut i l ized to actuate the annular piston and sl id ingpiston which open and close the bowl.The sl id ing piston and annular piston

are. as shown in the figure. inside the bowl bottomrotate with the same angular velocity as the other bowl partsare axiallv movable.

a

a

a

n4 na', 201 / 0699

\G

I ng

ator AG

C l o s i n g t h e b o w lAfter starting the separator, the shut-off device for operating liquid is actuated bymeans of the control uni t .

The operat ing l iquidr flows into the injection chamber of the bowl bottom and. from there through inlet holes into the closing chamber.By this means closing of the bowl is initiated.

The annular piston. moves into closed position.

The l iquid pressure in the closing chamber. r ises the sl id ing piston,r presses the sliding piston against the gasket of the bowl bottom, thus. c losing the bowl.

O p e n i n g t h e b o w l ( e j e c t i o n )The shut-off device for operating liquid is opened by means of the control unit

The operat ing l iquid. flows first into the ejection chamber and. then into the opening chamber.

The annular pistono rises thus causing. emptying of the closing chamber.

The sl iding piston. moves downwards and. opens the ejection pofis in the bowl bottom for discharging the separated solids

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sz Westfalia Separator AG

2.4.3 operat ing pr inciples The centr ipetal pump discharges the separated l iquid under pressure.of the centr ipetal The operat ing pr inciples of the centr ipetal pump can be compared with that of apump cent r i fuga l pump.

In case of the centrifugal pumpr the impeller fitted with inclined vanes rotates in a stationary casing;. the l iqu id tobepumpedf lowsf romthe ins ide to theouts ide through impe l le rvane

cnannels.

r/

I

Fig-

The reverse is the case with the cen-tr ipetal pump:o it is fixed to the hood of the separator;r its disc, which is provided with chan-

nels, is immersed in the liquid rotat-ing with the bowl.

2 . 4 . 4 O p e r a t i n g p r i n c i p l e so f t he gea r

2 . 4 . 5 O p e r a t i n g p r i n c i p l e so f t h e c e n t r i f u g a lc l u t c h

The liquid is peeled off by the centripetal pump and flows into its spirat channetsfrom outside, its kinetic energy being converted into pressure energy which is ca-pable of discharging the l iquid under pressure.At a low backpressure the depth of immersion of the centr ipetal pump is smal l , l tcan, however, be increased by throttling the valve in the discharge tine. By thismeans it is oossible to obtain

- a good l iquid seal,- an air- and foamfree product,- a higher backpressure.

The separator is driven by a standard motor, type 85.Power transmission to the bowl spindle is effected via a centrifugal clutch to theworm wheel shaft and from there via a worm gear where the worm wheel is the driv-ing member and the worm the dr iven member. Simultaneously the mounted gearpump is driven by the worm wheel shaft via a safety clutch

The centrifugal clutchr gradual ly br ings the bowlto i ts rated speed. eliminating premature wear on gear parts and on the motor,The start ing current and the accelerat ion t ime can be regulated by the number ofclutch shoes inserted.For further details refer to sect. 4.6 - Centrifugal clutch.

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Westfalia Separator AG J J

2 . 5 T h e r e g u l a t i n g r i n g(using oil purif icationas an exampte)

2 . 5 . 1 D e t e r m i n i n g t h e s i z eo f r e g u l a t i n g r i n g b yexp e r i m en t(using oil purif ication asan example)

Only fo r -02- opera t ion

F u n c t i o n o f t h e r e g u l a t i n g r i n gOptimum dewatering of oils containing water is only possible if the bowl is correctlyadjusted to the difference in density between the oil and the water.The regulat ing r ing with the correct inner diameter, i .e. with the diameter that corre-sponds to the density difference between the oil and water, should therefore be se-lected from the set of regulating rings (with different inner diameters) supplied withthe separator and fitted in the bowl.The inner diameter of the regulating ring to be selected can be determined by ex-oeriment. The rule of thumb is:r smal l regu la t ing r ing fo r heavy o i l ,r la rge regu la t ing r ing fo r l igh t o i l .

To avoid emulsification, begin the test by inserting a large diameter regulating ringand then switch t0 the next smallest.l f the regulat ing r ing is too large,

- the water discharging through the water outlet will contain oil.l f the regulat ing r ing is too sm al l ,

- s l ight emulsi f icat ion wi l l occur or- the 0il discharging through the clean oil outlet will contain water,

The milky or dirty appearance of the water is quite normal: it is caused by the oilwasnrng process.A separating zone between the light and heavy liquid forms in the bowl; the centreof this zone is the separat ing l ine.lf the correct regulating ring has been selected, the separating line will be positionedat the outer rim of the discs.After opening the bowl, the separating line between water and oil. which is normallyfound on the underside of the separating disc, will indicate the position of the separ-at ing zone.

Cor rec t ly se lec ted regu la t ing r ing. The separating line between water

and oil is at the outer edge of the0lscs,

E ffec t:- The discharging clean oi l is f ree from

waIer.- The discharging water is free from oil,

214-900t-201 / 0699

t o o w i d e

u

t oo na r row

Inner d iam e ter o f regu la t ing r ing toow i d er The separating line between water

and oi l- is located far outside 0f the discs

and- is too close to the outer rim of the

separat ing disc.E ffec t:- The discharging clean oi l is f ree from

waIer.- The discharging water contains oi l or- oil breaks the water seal.

Inner d iam e ter o f regu la l ing r ing toon ar rowo The separat ing l ine between the

liquid components is located towardsthe smal l diameter of the discs in-stead of being at the outer rim of the0rscs.

E ffec t:- The discharging clean oi l contains

water.- The discharging water is f ree from oi l .

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festfalia Se rator AG

' : . : : : . : . : : r r ' : . . . . . .

3 . Opetat ion

e l l

3 . 1 . 2e t e

3 . 1 . 4e l t r

J . Z

3 . 2 . 13 .2 .2

3 . 4a t r" R l

383838

404 14 1+z

Technical informationSeoarationNotes on separation with the purifier bowl (-02- operation) . . . . .Make-uo water ,Notes on separation with the clarifier bowlGeneral information on bowleiect ions . . .Before start-uoBefore initial start-upWhenever startingStart-up of separator .Monitoring of operationSetting the separating tiDetermining the separaB o w l e i e c t i o n s . . . . . .

3.7 Stopping the separator3.8 Trouble shooting3,8.1 Separator faults .3.8.2 Bowlfaults

; " , . . . . :t ing t ime by calculat ion . . , .

5 l

37

Z+J

444448

2044-9001-201 /0699

Westfalia Separator AG

T e c h n i c a l i n f o r m a t i o n

S e D a r a t i o n

3 .1 . 2 No tes on sepa ra t i onw i t h t h e p u r i f i e r b o w l( -02 - ope ra t i on )

3 .1 . 3 M ake -u p wa te r

Take note of the following sections:

The best separation efficiency is achieved with lowest viscosity of the product tobe seoarated.In the case of non-conforming products,

- refer to the sales documents or- consult the manufacturer.

In the case of emulsified oil the separating temperature must be increased.lf an oil pre-heater is used, a temperature controller (thermostat) must befitted. Thetemperature of the feed product must be displayed on a screwed-in thermometer.

The centr i fuge- can be converted into a purifier without self-thinker control system with the aid

of a conversion kit (see sect. 2.5)- and can then be applied in the first separation stage.

The operating mode of the control unit must be switched to "Separation" so that thebowl is supplied with the sealing water necessary for purifiers. The water seal whichprevents the oil from discharging through the water outlet must be maintained dur-ing separatron.

(

Lube oil seoaration Make-up water. i.e. ior instance the dropwiseaddition of water throughput the entire separat-ing t ime.This practice was commonplace in the past;however with today's high detergent oi ls (HD =H eavy D uty) it is now the exception and shouldonly be carr ied out after consult ing the oi l manu-facturer.

Heavy fuel oil separation Make-up water, i .e. for instance the cont inuousaddit ion of wash water up to 10 % by vol .This is accepted practice in fuel treatment foronshore power plants with gas turbines.

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I o t e s o n s e P a r a t i o nr r t h t he c l a r i l i e r bow l

G c n e r a l i n f o r m a t i o non bow l e iec t i ons

The centrifugal clarifier is equipped with the self-thinker control System as a stan-dard feature.The clarifier bowl may not be supplied wrth water (exception: checking the self-thinker funct ion and during displacement),The operating mode "Clarifying" must therefore be switched on the control unit. Thisautomatical ly suppresses the f i l l ing process.

The clarifier bowl with self-thinker control system serves to polish the products inthe second separation stage while at the same time executing a monitoring f unctionand solids-dependent solids ejection control of the entire system.The centrifuge therefore carries out a quality check of the different products.

The bowl is ejected at full bowl speed by automatic actuation of the solenoid valvesfor operating water.In the clarifier operating mode with self-thinker control system the ejection time iSdetermined by the level of solids in the bowl

lf the centrifuge is operated as a conventional purifier, the ejection time must bedetermined by calculation or graphically (see 3.5). The determined separating timeparameter must be set on the control unit.

D i s p l a c e m e n tWhen separating, the loss of feed liquid unavoidable during ejection. can be re-duced to a minimum by displacing the feed liquid with water before sludge ejec-tion takes place This is of special importance when processing valuable feedl iqu id .The duration of the displacement liquid supply has to be determined by experi-ment.

. l f the t tme of displacement is too long, displacement l iquid wi l l d ischarge fromthe l ight l iquid out let

o l f the t ime of displacement is too short , part of the valuable feed l iquid wi l l re-main in the bowl and then be ejected during ejection.

r Disptacement of the light liquid can also be accomplished by throttling the valvein the discharge l ine for heavy l iquid.

F lu sh e jec t ionlf the solids are firmly stuck to the wall and cannot be ejected

- due to an excessively long dwell time or- due to the solids Properties,

either the separating time must be shortened or a f lush ejection must be carried outafter a total ejection by fil l ing the bowl with water or product, and emptying it again

P r o g r a m c o n t r o l. Displacement, ejection and flush ejections at precisely defined intervals are best

carried out with the automatic control unit.o The clean oil discharge and water discharge can be monitored'

o Faults can be signalled optically or acoustically.

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sa Westfalia Separator AG

3 .2 Be fo re s ta r t -up

\

3 .2 .1 Be fo re i n i t i a ls tar t -u P .

a

N ote:- Safety precautions in section 1 .- Instruction manual of the resoective control unit

Check hoses and hose pipes (3.4).Fi l l gear chamber with oi l through oi l f i l l hole unt i l o i l levet is up to upper third ofsight glass (4 2.2).Fi l l some oi l into oi l suct ion pipe of gear pump ( i f avai lable) to prevent the pumpfrom seizing.Check height of bowl and centr ipetal pump: see sect ion 4.5.Release brake by turning handle clockwise.Check if bowl can be turned by hand.Close the hood and fasten with hex head screws.Apply a thin film to guide surfaces and threads of handte connection piece (seelubrication chart)

. Introduce handle connect ion oieceinto hood and screw it down to fastenthe centr ipetal pump (tef t-handth read ).To do this, use wrench 2.

. Connect water supply l ine.

Loosen brake by turning the handle clockwise.Check if bowl can be turned by hand.Close the hood and fasten with hex head screws,Apply a thin f i lm to guide surfaces and threads of handle connect ion piece (seelubricat ion chart) .

. Introduce handle connect ion pieceinto hood and screw it down to fastencentr ipetal pump ( lef t-h an d th read ).To do this, use wrench 2.

o Connect ion water supply l ine.. Check i f gear chamber is f i l led with oi l

up to upper third of s ight glass.

a

a

3 .2 .2 Wh en eve r s ta r t i n g

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Westfalia Separator AG 39

! . 3 S ta r t -up o f sepa ra to r I

a

See section 3.2.2.On separa tor w i th f langed gear pump:- Open shut-off device in the dirty oil l ine.Switch on the motor.Compare current and start ing t ime with the diagram (sect. 4.1.3) unt i l the bowlhas reached the speed specified on the separator nameplate (revolution indica-tor) after approx. 6 - 10 minutes.O n p u r i f i e r :- Start the oil pre-heater after switching on the motor!Hydraulically close the bowl:- Briefly open the shut-off device for operating liquid several times,Open the shut-off valve in the clean oil discharge.Switch on the control uni t .Start the program.After the feed valves have automatically opened- set the clean oil backpressure to approx. 2.0 bar',- adjust the desired throughput;- correct the backpressure in the clean oil discharge if necessary.Check discharges for s ludge and dir ty water; there must be no oi l f low!Check backpressure in self-think-er system. This should be 1.6 - 1 .9 bar.

a

a

a

a

a

a

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40 Westfalia Separator AG

a l t e r f o l l o w i n g o p e r a t i n g h o u r sO P E R A T I O N S

at th e la tes t every

7 5 0 1 5 0 0 4 0 0 0 8 0 0 0 1 6 0 0 03

m on ths6

m o n l n s

,|y a a t

2y r a r s

L U B R I C A T I O N

o First oil change after init ial start-up. r! oweek l y Check oi l level week l y

o W h e n u s i n g m i n e r a l o i l : f lOi l change and thorough cleaning of gear chamber. tr o

o W h e n u s i n g s y n t h e t i c o i l : @Oil change and thorough cleaning of gear chamber. tr ow h e n e v e r d l s m a n t l l n g Grease sliding and guide surfaces of main bowl parts. E o

o Remove. clean and greasetr the bowl lock ring, and re-in-stall i t. o

On your dai ly round - especial ly dur ing the f i rst '1500 operat ing hours - pay attent ion to the fol lowing:. Oi l level. Temperatureso Pressuresr Leakageso Vibrationso Power consumption. Start ing t ime

,l3 . 4 M o n i t o r i n g o f o p e r a t i o n

H o s e s a n d h o s e p i p e s

Service lifeincluding slorage lime if applicable

6 years

Storage l i fe 2 years

Replace the hose pipes if any of the fol lowing criteria are established during inspection:. Damage to the outer layer extending through to the texti le layer (e.9. rub marks, cuts or cracks). LeaKS.

. Damaged or deformed hose f i t t ing ( impaired seal ing funct ion).(S ight surface damage is no reason for replacement )

o The hose becomes dislodged from i ts f i t t ing.. Corrosion of the f i t t ing which impairs funct ion and strength,

Whenever changing oi l , clean gear chamber thoroughly.see secl ion 4.2.2 - oi l qual i tyscc sccl ion 4.2.3 - lubrication chartWe recommend the synthel ic grease Mobil i th SHC 100 or SHC 460 for greasing this part; i i has given gocd rcsul is tn practice.

K e y :

m *r -

2044-9001-201 / 0699

a l i a S rator AG

Sc t t i ng t he sepa ra t i ngD m e

D e t e r m i n i n g t h e s e p -a r a t i n g t i m e b y c a l -c u l a t i o n

When using time-dependent automatic programming, accurate se.tting of the sep-arat ing t ime (running t ime between eject ion phases) is only possible i f the through-put rate of the centrifuge and the solids content of the medium fed to the centrif ugeremain constant. lf this is not the case. it may be necessary to correct the settingwhi le operat ing.The separat ing t ime depends. on the solids content of the material fed in, as,well as. on the sludge space of the bowl ando on the throughput capacity of the centrifuge.The separating time can be determined by calculation.

Exam p le fo r theore t ica l de term ina t ion o f the separa t ing t im e :

G i ven : Solids proport ionSludge spaceSludge space 75 % utilizedThroughput capacity

Regui red: Separat ingt ime

The separating time to be set is calculated as follows:

p =

V =

V ' =

V o =

t =

0 . 0 5 %

1 1 |8 l

8 0 0 0 l / h

? m i n

Iv:t = . 5 0 . 1 0 0 = - - - - - J - - - - - r $ 0 0 0 = 1 2 0 m i n = 2 h

V " . p 8 0 0 0 . 0 , 0 5

2044-9001-201 /0699

+z Westfalia Separator AG

3 . 6 B o w l e j e c t i o n s Bowl ejections should not be deferred until the solids hotding space is completelyfilled, since it would lead to poor separating efficiency.

Au tom a t i c oDera t i on

. Start ejection program by pressing key for "Program start":- Product feed is closed via 312-way valve.- Displacement- Bowlejection- Speed recovery

. Open product feed.

M a n u a l o p e r a t i o n

. Stop product supply to separator:- Close product valve manually.

e Bowl eiect ion:- Open operating-l iquid feed manually approx. 2 - 3 sec.

. Speed recovery- Wait approx. 20 - 30 sec.

. Separation- Open product valve manually.

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. E & g p r n g t h e

rator AG

separator . Switch off the preheater.- Continue to feed product for a few minutes, since the preheater continues to

heat for a short time.

Au tom a t i c ope ra t i o n

. Displacement

. Start ejection program by operating key for "Program start":- the ejection program runs down.

o After ejection stop the separating program by operating key for "ProgramstoD",

M a n u a l o p e r a t i o n

Close the oroduct feed:- Close product valve manually.

Perform sol ids eiect ion: s. sect ion 3.6

Close discharge of l ight l iquid (oi l ) .Close feed for operating water. fil l ing and displacement water.Switch off the motor.Switch off the feed pumpClose shut-off device in suction side of feed pump.Brake the seoarator.Apply brake by turning handle ant i-c lockwise,Wait until the bowl has come to rest!D o n o t l o o s e n a n y p a r t b e l o r e t h e b o w l i s a t a s t a n d s t i l l .Only when the revolution indicator disc has stopped rotating is the bowl at rest!

-J aa

a

2044-9001 -201 / 0699

44 Westfalia Separator AG

3 . 8 T r o u b l e s h o o t i n g The fol lowing tables are an aid for locat ing and el iminat ing faul ts.lf assembly operations have to be carried out refer to the section "Maintenance andReoair" .

3 .8 .1 Sepa ra to r f au l t s

F a u l t P o s s i b l e c a u s e s R e m e d i e s

The bowl does not come uoto rated speed or takes toolong to do so

Brake is aool ied. Release brake by turning handleclockwise.

Motor is incorrectly connected Check connection.

Friction surfaces of clutch shoes areorly.

Wipe dry friction surfaces.D o n o t u s e b e n z i n e , n o r t r i c h l o r e -l h y l e n e n o r a n y o t h e r s o l v e n t !

Clutch shoe l in ings are worn. Reolace the clutch shoes.

Insufficient number of clutch shoesare inserted.

Add clutch shoes.

Bowl is too high or too low and thusrubs against centripetal pump.

Adjust to proper bowl height.

Liquid or dirt has accumulated in theupper section of frame. resulting inbraking of the bowl.

Check operating-water outlet:liquid must flow out freely.Clean inside of upper sect ion o{frame.

Clamp plate is not t ight enough; wormwheel slios on worm wheel shaft.

Tighten long hex head screws onworm wheel evenly and firm ty.

Bowl speed drops during op-eratron.

Friction surfaces of clutch shoes areorly.

Wipe dry friction surfaces.D o n o t u s e b e n z i n e , n o r t r i c h l o r e -thy lene , no r any o the r so l ven t !

Motor speed drops during operation, Check line voltage and motor.

Clamp plate is not t ight enough; wormwheel slios on worm wheel shaft,

Tighten long hex head screws onworm wheel evenly and f i rm ly.

The bowl comes up to ratedspeed too fast (in less than 5minutes) Motor pul ls toohigh a start ing current.

Too manv clutch shoes are inserted, Reduce number of clutch shoes to 4 or

Ensure uniform distr ibut ion of shoes

2044-9001 -201 / 0699

P o s s i b l e c a u s e s R e m e d i e s

,^even run of seoarator. Bowl is out of balance due to followinouct u5u5.

1. The separated solids have deoos-ited unevenly in the bowl.

2. The bowl is incorrecfly assembled0r parts of different bowls (if ptanthas several separators) have beeninterchanged.

3. The pressure in the disc stack hasslackened.

4, Bowl parts are damaged.

P o s . 1 - 4 :. Stop separator.. Apply brake.. Close dirty oil feed and clean oil

discharge.o B o w l e j e c t i o n m u s t b e a v o i d e d ,

since otherwise the vibrations oc-curing during slowing down wouldIncrease.

lf the bowl leaks,. open water supply all the way.

Assemble bowl correctrv

Check if bowl lockring is screwed ontightly.

An insu f f i c i en t l y t i gh tened l ockr i ng can m ean dange r t o l i f e !Check number of discs.

Send bowl to factory for repair.Do not attempt to make your own re-pairs!Never we ld o r so lder s ince i t wou ldimpair the strength of the bowil

Neck bearing spr ings are fat igued orbroken.

Replace al l neck bearing spr ings.

Cup springs or cylindrical pressurespring in bottom bearing are broken.

Insert new cup springs or cyl indricalpressure spflng.

Bowl is too low in the frame. Readjust bowl height.Bal l bearings are worn, Replace worn bearings.

ATTENTION!As spindle bearings use only high p recision bal l bearings (see l ist of pa' :s

2044-9001 -201 / 0699

46 Westfalia Separator AG

F a u l t P o s s i b l e c a u s e s R em ed ies

uneven(cont 'd.)

run of separator Gear parts are in bad condition due to

1. normal wear.

z . premature wear caused by:a) lack of oil Eb) oil of too low a viscosity trc) metal abrasives in the lube oil

because- viscosity of oi l too low- oi l has not been changed in

t tme,- gear chamber has not been

cleaned.d) gear parts have not been

changed at the same t ime.

e) Water infiltration. because

operat ing- l iquid shut-off de-vice was open for a longer pe-riod during standstill of sepa-rator.

Clean gear chamber thoroughly.

Replace entireworm wheel and, atthesame time, worm spindle (never re-place only one gear part).Be sure to refer to sect. "Fitting theworm wheel and worm wheelshaft"!

Fi l l in fresh oi l .Change oi l more often.

In case o f water in f i l t ra t ion :Operating-water data:- Pressure2-5bar- Volume min. 3 000 l /h (gauge ca-

pacity by l i t res) + 1.6 | in 2 secShut-off device must always remainclosed during standstill of separator,lf necessary, secure it with a secondshut-off device.

I normally recognizable by blue lemperingcolour of gear parls.

2044-9001-201 /0699

F a u l t P o s s i b l e c a u s e s Rem ed ies

Feec pump does not sucK tn{ f ava r l ab le ) .

Feed pump does not function cor-rectly.

Check sealing r ing in pump.Check excess pressure valvelf necessary, readjust it.

Suction lines are blocked or leakv. Clean or seal suct ion l ines,Check foot valvel

Prestrainer is blocked or leakv, Clean prestrainer.Replace gasket in housing cover.

2044-9001 -201 / 0699

48 Westfalia Separator AG

3 .8 .2 B ow l f au l t s

Fig. 52 - Bowl and operating-water feed

t Operating-water feed2 Injection chamber3 Feed hole+ Feed hole5 Gaskets (bowl bottom)5 Bowlbottom7 Discharge holes8 Annular pistons Closing-chamberbottom

1 o Si iding piston11 Gasket (bowl bottom)12 Gasket (bowl top)

r31 4

1 5

t 6

7

6

5

32I

13 Gasket (bowl top)14 Gasket (sl id ing piston)1s Gasket (annular piston)16 Gasket (closing-chamberbottom)17 Gaskets (annular piston)18 Gaskets (closing-chamber bottom)19 Gasket (closing-chamber bottom)20 Gaskets (water chamber bottom)21 Solenoid valve22 Strainer23 Shut-otf valve

1 7

1 8

1 9

20

2044-9001-201 /0699

, ator AG 49

bt t P o s s i b l e c a u s e s R e m e d i e s

Holes 3 or 4 or 7 in bowl bottom areblocked orthe injection chamber is dirty,

Clean holes and injection chamber

A rim of dirt has deposited beneath thesl iding piston.

Dismantle the bowl and clean i t .

Gaskets are damaged or their edgeshave been frayed due to the up anddown movement of the annular oistonand sl iding piston.

Replace gaskets.

ooes not close Gasket 12 in bowttop is damaged. Replace gaskets.

The seal ing edge of the sl id ing pistonis damaged.

Light ly face seal ing edge of s l id ing pis-IOn Orsend piston to factory for repair.

cces not open at al lcompletely.

The operating-water feed rate is toolow.

Check water pressure.lf necessary, increase pressure,Operating-water data:- P ressu re2 -5bar- Volumeof f lowmin. 3 000 t/h (gauge

the capacity by l itres) = 1 ,6 | in 2 secStrainer in operating-water line is dirty, Clean strainer

Gasket in operating-water line is dam-aged. Part of the operating water getslost.

Replace gasket in operating-waterl ine .

Passage section of operating-waterline has become too narrow due to dirtaccumulat ion or damage. The amountof operating water flowing into the in_jection chamber is insufficient.

Clean or replace operating-water line.

The operating-tiquid shut-off deviceooes not open properly

Replace shut-off device,

w" ('/-{ |i(rr) It . - . I

Westfalia Separator AG

Bowl and operating-water feedFig.53 - Eowl and oPeratng-water

t Operating-water feed2 Injection chamber3 Feed holec Feed holes Gaskets (bowl bottom)o Bowlbottom7 Discharge holesB Annular pistons Closing-chamberbottom

1o S l id ing p is ton'11 Gasket (bowl bottom)12 Gasket (bowl top)

13 Gasket (bowl top)14 Gasket (sl id ing piston)15 Gasket (annular piston)16 Gasket (closing-chamber bottom)17 Gaskets (annular Piston)18 Gaskets (closing-chamber bottom)19 Gasket (closing-chamberbottom)20 Gaskets (water chamber bottom)21 Solenoid valve22 Strainer23 Shut-off valve

2044-9001 -201 / 0699

Westfalia

F a u l t P o s s i b l e c a u s e s-he bowl does not open at al lc' not comptetety. (cont'd.)

Dry dirt or rubber particles have setfled- between centrifugation chamber

bottom and annular piston or- between annular piston and bowl

bottom or- between sliding piston and bowl

bottom.

Clean bowl partsReplace damaged gaskets.Grease guide surfaces (see lubrica-t ion p lan) .

The closing chamber is dirty. Dismantle the bowl.Clean the closing chamber.

Gasket 12 of polyamide fits loosety inthe groove of bowltop.Process liquid seeps into the gasketgroove and presses the gasket out ofthe groove white the stiding pistonmoves downwards, so that there is nogap for sludge ejection.

Replace polyamide gasket.

ncomplete solids ejection ofihe bowl. Sludge remains inrhe bowl.

Feed rate of operating water is toolow.

Check line oressure.lf necessary, increase pressure.Operating-water data:- P ressu re2 -Sbar- Volume of flow min. 3 000 l/h (gauge

the capacity by l itres) = 1 .6 | in 2 secThe bowl has closed too soon. Solidparticles which could not be ejectedhave gradually accumulated in thebowl and hardened through the longtime of centrifugation.

Clean the bowl.Leave operating-water valve open forabout 10 seconds.lf necessary, carry out flush de-sludg-ings after de-sludging

The pressure in the disc stack hasslackened or is too low due to an insuf-ficient number of inserted discs. As aresult the discs have deformed.

Add spare disc or compensating disc.Re-shape deformed discs. lf neces-sary. replace them.

2044-9001-201 /0699

sz Westfalia Separator AG

s2044001Fig.54 - Bowl and operct ing-water feed

1 3

1 4

1 5

1 6

t Operating-water feed2 Injection chamber3 Feed hole4 Feed holes Gaskets (bowl bottom)6 Bowl bottom7 Discharge holes8 Annular pistons Closing-chamberbottom

10 S l id ing p is ton11 Gasket (bowl bottom)12 Gasket (bowl top)

13 Gasket (bowl top)14 Gasket (sl id ing piston)15 Gasket (annular piston)16 Gasket (closing-chamber bottom)17 Gaskets (annular piston)18 Gaskets (closing-chamber bottom)19 Gasket (closing-chamber bottom)20 Gaskets (water chamber bottom)21 Solenoid valve22 Strainer23 Shut-ofl valve

1 7

1 8

1 9

20

2044-9001-201 /0699

F a u l t P o s s i b l e c a u s e s R e m e d i e s

Gasket in bowl top becomesworn too rapidly.

Bowl has closed too soon,Solids have been oressed into thegasket by the rising piston.

Leave shut-off device for operatingwater open for about 1 0 sec.

The process liquid contains abrasivesol ids.

Prestrain process I iquid.

The bowl opens after a longseparat ing t ime.

The operat ing- l iquid votume in theclosing chamber has decreased dur-ing a long separat ing t ime (due toevaporat ion, etc.) .

Check operating-water valve and con-trol uni t .

The bowl does not close oropen properly after a long-term shut-down of the seoa-rator,

The bowl has not been cleaned thor-oughly before a long-term shut-downof the separator. Scale has setiled anddried up:- between centrifugation chamber

bottom and annular piston or- between annular piston and bowl

bottom or- between sliding piston and bowl

bottom

Before removing- the centrifugation chamber bottom- the sl id ing piston ano- the annular pistondislodge the dr ied-up scale using ci t r icacid in the gaps- between centrifugation chamber

bottom, sl id ing piston and annularpiston or

- between sliding piston and bowlbottom.

Then dismantle the bowl and clean i tthoroughly.

ihe discharging clean oi l isCrrty due to overflow of bowl,

lmpuri t ies of high density (e.9. rustfrom tanks and pipe lines) have col-lected in the distributor neck. The feedto bowl is hindered, resulting in over-flow,

Clean distributor neck,

II

Eaa-s661 -26' ' OUnn

Westfal ia Separator AG

4 . 14 . 1 . 14 . 1 . 24 . 1 . 34 . 1 . 44 . 1 . 54 .24 . 2 . 14 .2 .24 .2 .34 . 2 . 44 .34 . 3 . 14 ,3 .21+. J . J

4.3 .44 . 3 . 54 . J , O

4.3 .74 . 3 . 84 .44 .4 .14 .4 .24 .4 .34 .54 . 5 . 14 ,5 .24 .5 .34 .64 . 6 . 14 .6 .24 .6 .34 . 6 . 44 .6 .54 . 6 . 64 .74 ,84 . 8 . 14 .8 .24 .8 .34 .94 .9 . '14 .9 .24 . 1 0

Installation of the plantConnect ing the plant .Fastening the separatorMotor connectionDirection of rotation of the bowlSpeed and starting time of bowl .Maintenance and lubrication . . .Lubrication and maintenance schedule . . . .Lubricat ionLubricat ion ChartWear to gear .BowlDismantl ing the bowlCleaning the bowl . .Cleaning the upper section of frameCleaning the strainer and the operating-water feed systemlmportant hlntsAssembling the bowl .Replacing the polyamidegasket in the annular pistonReplacing the polyamide gasket (bowt top)Vertical gear parts 1Removing the vertical gear parts 101Cleaning the gear chamber .105Re-assembly of vertical gear parts ruoHeight adjustment 1.10Bowl he igh t 110C e n t r i p e t a l p u m p c l e a r a n c e . , . 1 1 1Neck bear ing 113Motor and centrifugal clutch 114

6 A

5 7

O Uo loz

oz

64

70t z7382a e

RR848797

00

Removing the motor .Prior to fiiting the motoiFitting the motorRemoving the clutch shoes .Fitting the clutch shoesFit t ing the clutch dr iverRemoving the gear pump and pump coupling . .Horizontal gear partsRemoving the worm wheelBefore a long-term shut-down of the separatorFitting the worm wheelRemoving the clutch drum and worm wheel shaftInstallation of the worm wheel shaft and the clutch drum . . . .Instal lat ion of the seal ing r ings

1 1 5t t o1171 1 81 1 91201211 2 2123125t z o1281 3 01 3 0l \ ]

2044-9001-201 /0699

Final checks after assembling the separator

Westfalia

a - l . 1 C o n n e c t i n g t h e p l a n l

1 4 1 5

Fig. 55 - Connection diagram of the separctor planl

I12

'//->

/ ,

1234567I9

1 01 11 21 41 51 51 71 81 9202 1222324252627293 0

Producl feedShul-off devicePreslrainerGear pumpPre-sel valveSleam-heated oil prehealerAutom. lemperalure regulalorSleam inletSafely valveLeak oil to overflow lankCondensale oullelDrain and venl cockFlowmelerPressure gaugeThermomelerCenlrifugeNon-relurn valvc with shut-off deviccProducl dischargeFeed line assemblyOperating-waler dischargeWaler dischargeSludge dischargeShul-off device (operaling water)Pressure gauge (operaling water)Waler feedMotor conlrolHoistPressure swilch for clean oil discharge

P2044m3

S u b j e c t t o m o d i f i c a t i o n !

\\',6

5 d Westfalia Separator AG

4 . 1 . 2 F a s t e n i n g t h esepa ra to r 1

z

4E

o

Securing the separatoron metal foundation

Sh ipboa rd ope ra t i on

Securing the separatoron stone foundation

c2042m3O n s h o r e o p e r a t i o n

F ig .56

1 Hexagon nutz Cup springss Stud4 Upper cap

s Rubber cushion6 Lower cap7 Anchor bolt

Tighten lower hexagon nut. by hand,. by a further full rotation using a

single-ended wrench.. Secure it using a second hexagon

nut ,

{I

For further detai ls, refer to the instal lat ion hints

2044-9001-201 /0699

a l i a S rator AG

I o t o r c o n n e c t i o n

r00%

90

8070

6050rto

3020

1 0

2s 5075 100%

Fig,58 - Start-up diagram (current and speed charactetistics)

r p m m t n s

Sepa ra to rw l t h / w l l h o u t

p u m pK W

D e -s i g n

P r otect io n

a t5 0 H z

rpm

a t6 0 H z

rpm

5 440-6 550 6 - 1 0 1 5 - 2 2

lP 55

tsoc l a s s

F r

| 4 C 3 1 745

. WS standard

The separator is driven by a three-phase AC motor via a centrifugal clutch.The specified motor ratings are minimum values which have been specified underconsideration of the starting current. Since the current consumption of the motordrops after start-up, overtoading of the motor during operation is not possible.The start ing t ime depends on the

- moment of inertia of the bowl,- number of clutch shoes used,- condition of the clutch shoes,

The starting current can reach 1.9 - ztimes the value of the rated currenr (seestart-up diagram). This is to be considered when dimensioning switches, tead-inwires and fuses.

2044-9001-201 /0699

4 .1 . 4 D i rec t i on o f r o ta t i ono f t h e b o w l

The motor- can be started across the line,- has to be protected against undue temperature rise either by thermal releases

or by means of a device which ensures f ull motor protection

Protection of the motor by means of thermal releases has to be ensured as follows:- during operation, by a release adjusted to the rated current and- during start-up by means of a release adjusted to 1 .8 times the value of the

rated currentThe release adjusted to the rated current must be bridged during the startingi lme.

Full motor protection can only be ensured when PTC resistor type temperaturefeelers are incorporated in the winding of the motor.

N o t e :

r The temperature feelers must be connected to a commercially available trippingdevice,

r Externalvol tage higher than 2.5 vol ts must not be appl ied to the terminals of thetemperature feelers.

. When testing for continuity do not use a test lamp but only an ohmmeter.

The motor must not be switched on be-fore the gear chamber is fil led with oilOil level must be up to upper third ofsight glass.

T h e b o w l m u s t r o t a t e i n c l o c k w i s e d i r e c t i o n w h e n l o o k e d a t f r o m a b o v e .

The direction of rotation is correct when revolution indicator disc rotates clockwiseIt can be reversed by interchanging two lead-in wires

F ig.

2044-9001 -201 / 0693

Westfalia Separator AG

4 .1 . 5 Speed and s ta r t i ngt i m e o f b o w l

The bowl speed has been rated so as to ensure the operating safety of the separ-ator,

lf the densities exceed those specified above, check with the factory

R svo lu t i o ni n d i c a t o r d i s c

A214600 r

F i g . 6 0

. Check speed of spindle (= speed ofbowl) with a hand tachometer:- before initial start-up,- after changing gear parts.

. Check before instal l ing the bowl.

The ro ta t ing revo lu t ion ind ica tordisc shows that the bowl is rotating andin which direct ion.The bowl has reached its full speed.when the revolution indicator discmakes the following revolutions:

Motor soeed65 rpm -) n = 1 455 rpm78 rpm -> n = 1 745 rpm

Speed variations up to 5 % are permiss-ib le .

Speed for densit ies- of heavy l iquid up to max. 1.05 kg/dm3

and- of centrifugally dry solids up to max.

1.4 kg/dm3

6 440- 550 rpm

Sta r t i ng t im e 6 - 1 0 m i n

2044-9001 -201 / 0699

62 Westfalia Separator AG

4 . 2 M a i n t e n a n c e4 . 2 . 1 L u b r i c a t i o n

a n d l u b r i c a t i o na n d m a i n t e n a n c e s c h e d u l e

{

K o y :E = Whenever changing oi l . c lean gear chamber lhoroughly.E = see sect ion 4 2 2 - o i l qual t tyB = see secl ion 4.2 3 - lubr icatron char lE = Wc rccommcnd thc synthclrc grcasc Mobilith SHC 100 or SHC 460 for grcasing this part; il has givcn good rasults in praclice

I

a f t e r f o l l o w i n g o p e r a t i n g h o u r sO P E R A T I O N S

a t t h e l a t e s t e v e r y

750 1 5 0 0 4 0 0 0 8 0 0 0 1 5 0 0 03

m o n t h s6

m onth !1

yarr2

y a a r s

L U B R I C A T I O N

o First oil change after init ial start-up. o oweek l y Check oil level week l y

o W h e n u s i n g m i n e r a l o i l : BOil change and thorough cleaning of gear chamber. tr o

o W h e n u s i n g s y n t h e t i c o i l : EOil change and thorough cleaning of gear chamber. E ow h e n e v e r d l s m a n t l i n g Grease sliding and guide surfaces of main bowl parts. tr o

o Remove. clean and greaseur the bowl lock r ing. and re-in-stal l i t . o

M A I N T E N A N C E

C l e a n i n g

wh en req u l r ed -p r o d u c t - d e p e n d e n t Clean fi l ter in suction l ine of product pump. o

when requ i r ed Clean strainer in operating-liquid l ine and on water-pres-sure reducer. o

o W h e n u s i n g m i n e r a l o i l : BClean gear chamber (oi l change) o

o W h e n u s i n g s y n t h e t i c o i l : t rC lean gear chamber (o i l change) . o

O Remove bottom bearing, and check and clean all parts tho-roughly. oo Remove bowl and clean inside of upper section of frame. o

oDismantle the bowl.Clean allbores. nozzles and chambers of hydraulic system.When f itt ing, the cones of the spindle and bowl must be dryano c lean.

o

l n s D e c t i o n

o Remove and replace bowl gaskets (see 4.3.5).Check gasket grooves for corrosion after cleaning. o

o Check starting i ime.Check thickness of clutch l ininqs oo Check thickness of brake l ininos o

o Check ball bearings of spindle. oo Check cylindrical pressure springs in neck bearing. oo Check gearing of worm gear through inspection hole afterremovino the revolution indicator housino. o

2044-9001 -201 1069':

a f t e r f o l l o w i n g o p e r a t i n g h o u r sO P E R A T I O N S

at the la tes t every

750 1 5 0 0 4 0 0 0 I 0 0 0 1 6 0 0 03

n o n t h g6

m o n l h s

I

y c a f

2y .ars

I n spec t i on

o Check if monitoring system functions correctly oo Check sp ind le speed (bowl ) : in case o f ro ta ry cur ren t(only after changing the gear). o

o Check spindle speed (bowl) : in case ot d i rect current(only after changing motor and gear). oR ep lacem en t

o Clutch shoes oo Ball bearings on spindle o

o Ball bearings on worm wheel shaft oa f t e r 4 0 0 0 0 o p e r a t i n g h o u r s

Equip the machines with new vibration absorbers.We recommend having the machines checked by a WSservtce enqtneer.

af te r 5 years

on your daily round - especial ly during the f irst 1500 operating hours. Oi l level. Temperaturesr Pressures. Leakages. Vibrations. Power consumption. Starting time

- pay attention to the following:

I r y :Whenever changing oil, clean gear chamber lhoroughly.see seclion 4.2.2 - oil qualitysee section 4.2.3 - lubricalion chartwe recommend lhe synlhelic grease Mobilith SHc 100 or sHC 460 for greasing lhis parl; il has given good resulls In praclice

2C.4-9001 -201 / 0699

64 Westfalia Separator AG

4 .2 ,2 Lu b r i ca t i on All bearings and gear parts are splash lubricated from a central oil bath.The toothed rim of the worm wheel. is immersed in the oil bath and. splashes the bearings with oil due to centrifugal force.

O I L O U A L I T Y ( m i n e r a l o i l )The gear oil designated "Separator lube oil CLP 220" tested by Westfalia SeparatorAG meets the requirements and should preferably be used (see attached table oflubr icants).

The viscosity class SAE 40, 50, 90 covers a larger viscosity range than that statedabove. However, the oils used for the lubrication of the separator may only havethe viscosity specified above.EP oils (oils with high pressure additives) may only be used, if they have no corros-ive effect on copper base alloys (see attached table 0f lubricants)For re-greasing the motor bearings, refer t0 the instructi0ns 0f the motor manufac-IUrer.

Designat ionaccording to DIN 51502 trViscositv class sAE 40, 50, 90Viscosity(at 40 oC)

220 + 22 mmz/s (cst)

Part-number 001 5-001 4-080

2044-9001-201 i 0699

Westfalia Separator AG 65

Designationaccording to ISO

M o b i l S H COJU

Viscosity class tso-vc 220Viscosity- a t 4 0 0 c- at 100 oC

218 mm2/s

25.9 mm2/sViskosity index (Vl) 152Density (at 15 oC) 0 868based on Polyalphaolef inPart-Number 001 5-001 8-200Disposal as per instructions of the ojl company.

O I L Q U A L I T Y ( s y n t h e t i c o i l )As syntholub the synthetic gear oit tested by westfalia separator AG shoutd beused I

Do not use synthetic motor vehicle gear or engine oi ls.

P r e - c o n d i t i o n s f o r u s i n g s y n t h e t i c l u b e o i l :. The gear

- must be run in with mineral lube oi l (approx. 1 500 operat ing hours)- must display clear ly vis ible running-in marks.

b = m i n . 2 - 3 m m

Fig

2044-9001 -201 / 0699

Westfalia Separator AG

ln terva I

R u n n i n gt im e wi th

o i l

( h )

S ta tus I Ope ra t i onL u b r i c a n t

Symbol Desc r i o t i onBefore firslstart-up oratter gearchange

0 . F i l l i n o i l . Mineral oi laccording too t N s r 5 t z E

Every week . Check oil level.

Afier 750operating hours

o Firsl running-in phasecompleted.

. Carry out lirsl oil change,

Mineral o i laccording 1oottrt stslztr

Every week . Check oil level.

After 2 500operaling hoursal lhe latesl

750 lo I 750(depends onthe deplh of

the run-ning- inmarks)

When the running-in markscorrespond io the previousolagram:. Second running-in phase

is compleled.. Carry oul second oil

cnange.

CLP HC Synlhelic oil

Every week . Check oil level.

After 4 000operaling hoursal lhe latesl

1 500 a Flush phase completed.Carry out lhird oil change.

CLP HC220

Synlhetic oi l

Evcry 4 000operaling hoursorevery 1.25years

4 000 . Normal opcrationo Oil change

CLP HC220

Synthctic oi l

[| Refer to lhe lable of lubricants supplied with the separator.

I

I

S c h e d u l e f o r s w i t c h i n g t o s y n t h e t i c l u b e o i l

S y n t h e t i c l u b e o i l s

tsov l s c o s l t y

c l a B g

V isc o s i t y(m m 2/s) V l scos l t yl n d e x

V I

Dsn s l t ya t 1 5 o C{g / cm 3 )

B a s e4 0 0 c 1 0 0 0 c

Mobil SHC 630(WS part-no.:001 5-001 8-200)

lso-vG 220 218 152 0.868 Polyalphaolef in

Shel lDel ima HT 220 tso-vG 220 24.1 l e q 0.879 Polyalphaolcf in

CaslrolAlphasyn T 220 tso-vG 220 220 zo 152 0.867 Polyalphaolefin

BPEnersyn HfX220 tso-vG 220 1 5 5 0.869 Polyalphaolefin

EssoTeresso SHP 220 rso-vG 220 211 24.7 t + o 0.845 Polyalphaolefin

Lub Marine (ELF)EPONA SA 220 tso-vG 220 220 zo 1 5 0 0.86 Polyalphaolefin

2044-9001 -201 / 0699

O I L L E V E LBefore starting the separator for thefirst time,o f i l l the gear chamber with oi t through

the f i l l ing hole on the revotut ion indi_cator.

F i l l i ng : approx . 7 |M i n i m u m o i l l e v e l :s l ight ly above middte of s ight gtassM a x i m u m o i l l e v e l :up to upper third of s ight gtass

F ig.

During operation the oir rever must never drop berow the minimum rever; be sure torefi l l in good t imel

O I L C H E C K. Check the oil level weeklyl' After loosening the oil drain screw, check from to time whether the oit contains

water. l f the oi l shows a mi lky colouring (emulsi f icat ion), change the oi l immedi_ately.

O I L C H A N G E. Carry out the first oil change after 750 operating hours. Subsequently change the oil after every

- 1 500 operating hours or 6 months at the latest (mineral oil),- 4 000 0perating hours or 15 months at the ratest (synthetic oir)

r whenever changing the oi l , thoroughly clean the gear chamber with thin-bodiedot l .

. Carefully remove metal particles from the wall and corners.o Do not use fluffy cleaning rags (no cotton waste)l. Clean the sight glass.

(After some time a rim forms on the inside of the sight glass which can be easilymistaken for the oil level.)

2044-9001 -201 / 0699

Westfalia Separator AG

4 . 2 . 3 L u b r i c a t i o n C h a r t

Fig.63 - Lubrication diagram

2044-9001 -201 / 0699

X o . i nF i g .

L u b r i c a n t Frequ en cy o f l ub r i ca i l onA m o u n t o fl u b r i c a n t L u b r i c a t i o n p o i n tD e s i g n a t i o n L a b e l a f t e r ope ra -t i n g h o u r s Per year

'I

Gear andcirculation oilCLP 220.D t N 5 1 5 1 7(mineral) D tN 51502

1 5002 x

(f. single-shifloperation)

7 000 cm3 | Gear chamber

Gear andcirculation oilD t N 5 1 5 1 9(synthetic)

Mobi l SHC 630rso vc 220 4 000 '1 x 7 000 cm3 Gear chamber

2n

,K F, LIJ/ z g \

DtN 51502

wnenrequtred 0.1 cm3

Pressure suriace of clutchshoe (see sect. 4.6.S)

3Roller bearinggreaseDIN 51825

/\/ 3 k \

DtN s1502

20 o0o E(if regreas-

ing pos-sible)

60 cm3 Motor bearings

+

n, K F 0/ 2 s \

DIN 51502

wnenrequired

3 x(f . single-shif t

operalion)150 cm3 Threads and sliding sur-faces of bowl

F

n/K-F\ Ul/ 2 s \

DtN 51502

wnenrequired

'1 0 cm3 Threads of fittings

Gear andcirculation oilCLP 220 -D I N 5 1 5 1 7(mineral) DrN 51502

whenrequired

2 x(f. single-shifl

operation)10 cm3 Manually-operated parts

such as lock screws

o

Gear andcirculation oilD t N 5 1 5 1 9(synthetic)

Mob i lSHC 630tso vc 220

whenrequired

'1 x 20 cm3 Manually-operated partssuch as lock screws

n,K F, {.LJ/ 2 s \

DtN 51502

wnenrequired 20 cm3

Neck bearings springsand spring pistons

,A/ z g \

Mixture of roller bearing grease andmolybdenum disulfide paste (ratio of 4 : 1).

Check oil level regularly through sight glassThe lubrication chart corresponds to DIN g659Manual lubricatlonNote attached table of lubricantsl

I

a

!

a

See motor manufacturer's instructions

2044-9001-201 /0699

Westfalia Separator AG

4 .2 .4 Wear t o gea r Normal contact surfaces on the toothprofiles of the worm wheel

C o n d i t i o n a f t e r r u n n i n g i n g e a rWidth on tip of tooth h with even, regu-lar contact surface in the toothino

Max. permissible1 t 2 h

wear t0 tip of tooth:

I n a d m i s s i b l e w e a rWhen the base of the tooth shows sionsof wear,. replace gear parts,

Fig

F ig .66

I

Fig

2044-9001 -201 / 0699

Westfalia Separator AG 7 1

observe the following to attain max. possible service life of the gear:o Follow the standard maintenance instructions.o Use approved synthetic lube oils as specified in chapter 4.2.2. Regular ly check the lube oi l level.' Check the bowl starting time (if necessary, reduce the number of ctutch shoes).. Avoid external viibrations.' Assemble and maintain the foundation components as directed.' Remove the bowr when the separator is shut down for a rong period.

In fo rmat ion on gear wearIn the case of short gear service lives caused by. uneven wear to gear (unbalance),r Pittings on the contact surfaces of the teeth.consult Westfalia Separator AG,

IIjIIIIII

2C44-9001-201 /0699

72 Westfalia Separator AG

4 . 3 B o w l

I Distributor

Sliding pislon

Gaskel

Closing-chamber bol-1om

Gaskel

Gasket

Gaskel

GaskclAnnular piston

Gaskel

Gaskel

Gasket

Gaskel

Spindle screw

E Bowl boltom

Gaskel

Lock ringCentripetal pump chamber cover

Gasket

GasketScnsing l iquid pumpGasketCentripelal pump chamber coverCenlripetal pumpGasketThreaded pieceLock ring fl

Bowl lop I

Gaskel

Gaskel

Gaskel

Separaling disk

Disk

Disk slack

.T2044005

Al len screw

Gaskel

Gasket

Waier chamber bol lom

Al lcn screw

E ATTENTION: After exchanging this part, the complete bowl must be re-balanced

Fig . 68 - Exo loded v rew o f the bowl

2044-9001 -201 / 0699

4 .3 .1 D i sm an t l i ng t h e b o w l

NAt ten t ion !

To avo id acc idents do no t loosen any par t be fore the bowl i s a t a s tands t i l l !

The standstill of the bowl is indicated- by the standstill of the revotution indicator disc.

o Switch off the main switch and secure it,o Handle bowl parts with care.e For tools refer to sect. 5 - List of oarts,

{

F ig .69

F ig .70

o Disconnect water feed line.

Unscrew handle connection piece( le t t -hand th read) .Hold centr ipetal pump with thewrencn.

. Unscrew fastening screws. 1

2044-9001-201 /0699

Fig

74I Westfalia Separator AG II

o

a

. Unscrew the smal l lock r ing with theannular wrench ( lef t-hand thread).

Remove the lock r ing.Force off the centripetal pumpchamber cover with a screwdriver.

Screw the handle connection oieceinto the centr ipetal pump ( letr-handth read) .Lift off centripetal pump and centripe-tal pump chamber cover.

Screw the centripetal pump chamberlock r ing onto the bowl.

Fig.

F ig. 73

F ig.

2044-9001-201 /0699

/ cFig

.,,,.\,

I ":- \\-1

\.

F ig .76

Place centripetal pump and centripe_tal pump chamber cover on lock ring.Place a hard-wood block on thehandle connection piece.Separate the sensing l iquid pumpfrom the centripetal pump by tighttaps with a hammer.

Unscrew spindle screw with wrench( l e f t - hand th read ) andremove it.

Force bowl off the spindle cone uslnothe pul l ing device andlift it out of the frame.

Yr' 'y 'Tl1, !,t

T2044018

7J449001-201 t0699

Fig 78

76 Westfalia Separator AG

. Screw on compressing device

. Screw bolt into the distributor

. Comoress the disk stack

. Tightly screw on the pin spanner.

Str ike open the bowl lock r ing l tet t-h an d th read ) .

i

2044-9001 -201 / Ofi

Westfalia Separator AG

o Lift off the bowt lock ring using the pins0anner.

. Unscrew the bolt from the distributor.

. Lift off the bowt top with the aid of thecompressing device.

. Remove the separating disk

. Check gaskets A and B,o replace them if damaged

l lr lII

20c.1-s061 -ro1 , ornn

Fig.

rze Westfalia Separator AG

F ig. 87

. Screw the disc stack compressingdevice into the distributor neck

Take out the distributor and diskstack by means of the compressingdevice.

o Insert pressure piece.

Screw the mountingsliding piston.

tool onto the

2044-9001 -201 / 0699

Westfalia Separator AG 79

r Force off the sliding piston

Take out the sliding piston with themounting tool .

Turn the bowl bottom onto its sidewith the aid of the pul l ing deviceSecure it against rolling away andtoppling over.

. Undo Al len screws

a

a

-\c-=\\