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KOMATSU GENUINE PARTS Air Air cleaner Intake and exhaust valves Muffler Cylinder liner Piston ring Engine oil Engine Precautions for handling What is air cleaner element? Radial Seal Type Wear of intake and exhaust valves Wear of cylinder liner and piston ring Reduction of compression pressure Increase of engine oil consumption Increase of blow-by gas Deterioration of engine oil Incomplete combustion Emission of black smoke Reduction of power Increase of fuel consumption Example of models equipped with air cleaner element High-performance air cleaner element that eliminates dust and secures the engine durability High-performance air cleaner element that eliminates dust and secures the engine durability

KOMATSU GENUINE PARTS · 2019. 12. 18. · KOMATSU GENUINE PARTS Air Air cleaner Intake and exhaust valves Muffler Cylinder liner ... Radial seal element shows high filtration performance

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Page 1: KOMATSU GENUINE PARTS · 2019. 12. 18. · KOMATSU GENUINE PARTS Air Air cleaner Intake and exhaust valves Muffler Cylinder liner ... Radial seal element shows high filtration performance

KOMATSU GENUINE PARTS

Air

Air cleaner

Intake and exhaust valves

Muffler

Cylinder liner

Piston ring

Engine oil

Engine

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Precautions for handling% &��� ��' ��� ����� ������ �� ��� ��� ������ (� ��� ��� ������ �� ����)�� �� ���� ���� ���������

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What is air cleaner element?,���� ��� �� � ���� ������� � ��� ���� +�� ��� ������� ���� �� ���� ��� ��� ����� �� ���� ���� ��� ������

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��� ������ �����Radial Seal Type

Wear of intake and exhaust valves Wear of cylinder liner and piston ring

Reduction of compression pressure

Increase ofengine oil consumption

Increase ofblow-by gas

Deterioration ofengine oil

Incompletecombustion

Emission of black smoke

Reduction ofpower

Increase of fuel consumption

Example of models equipped with air cleaner element

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High-performance air cleaner element that eliminates dust and secures the engine durability

High-performance air cleaner element that eliminates dust and secures the engine durability

Page 2: KOMATSU GENUINE PARTS · 2019. 12. 18. · KOMATSU GENUINE PARTS Air Air cleaner Intake and exhaust valves Muffler Cylinder liner ... Radial seal element shows high filtration performance

Cleaning level test

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Evenly folded filtration paper allows filter efficiency to improve by capturing more dust and extending cleaning interval. As a result it would contribute to lower maintenance cost.

Efficient filter paper and polyurethane rubber seals at both ends proves its high sealing performance, the dust will not enter the engine even in a dusty jobsite, thus longer engine life is secured.

Radial seal element shows high filtration performance and capture more than 99.9% or more of dust in dusty air.

Filter paper and polyurethane rubber are molded into one piece to keep its airtightness.

Easy to handle

Comparison of service life

Comparison of filtration efficiency with non-genuine elements for PC200 class

Filtration effect

Comparison of maintenance cost

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0

0

50

100

A B C D A B C D

(%)

0

1

2

3

4

5

6

7

8

9

1 2

C D B A

3 4 (hr)

High-performance air cleaner element of high filtration efficiency, light weight, and small sizethat brings out engine performance to the maximum

Air-

flow

resi

stan

ceLo

wHi

gh

Test hours

(kPa)

muchQuantity dust that passes through

Mai

nten

ance

cos

tLo

wHi

gh

Non-genuine B

Non-genuine A

0 10 20 30 40 60 (g)50

Fine dust that has passed Fine dust that has passed through filter paperthrough filter paper

High-performance air cleaner element of high filtration efficiency and compact sizethat brings out engine performance to the maximum

Radial seal type

Amount of dust that enters engine

Axial seal type (Conventional type)

When element is inserted, it centers itself with case partition plate.

Tools are required to remove and install. In addition, seal must be replaced.

Genuine element Non-genuine element

No dust enter inside of element.

One piece rubber seal

Fine dust that has passed through filter paper

Genuine element captures more than 99.9% of dust

Many of non-genuine elements capture 95 - 98% of dust at most

Dust enter inside due to faultly joint.

Genuine

Genuine

Genuine

Genuine

Genuine

High-performance air cleaner element of high filtration efficiency and compact sizethat brings out engine performance to the maximum

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Some filters are less than half of Genuine element.

labor charge

Parts cost