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Documents & Manuals

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Tensioning Guide
Belt-diagram
C-120 pulleys
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Work Order Templates

Pre-built workflows to keep your asset running smoothly.

Daily Electrical System Inspection
Replace Roller and Pulley
Install Engine B-120
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Procedures

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Motion Industries
Applied Industrial Technologies
Electrical Brothers
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Parts

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Drive Motor
B2 Rollers
Tensioning System
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Komatsu Wheel Loader WA270-8

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Maintenance Plans for Komatsu Wheel Loader Model WA270-8

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When Required Wheel Loader Maintenance

METHOD FOR CHECKING, CLEANING AND REPLACING AIR CLEANER

WARNING

• When using compressed air, there is a danger that dirt may scatter and cause personal injury.

Always wear the protective eyeglasses, dust mask, or other protective equipment.

• When removing the outer element from the air cleaner body, it is dangerous to pull it out by force.

When working in high places or where the foothold is poor, be careful not to fall because of the reaction when pulling out the outer element.

NOTICE

• Do not clean the element before the yellow piston shown in dust indicator (2) display enters the red (7.5 kPa {0.08 kg/cm2}) position.

If the element is cleaned frequently before the yellow piston of the dust indicator enters the red (7.5 kPa {0.08 kg/cm2}) position, the air cleaner will not be able to display its performance fully, and the cleaning efficiency will also go down.

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9000 Hourly Wheel Loader Maintenance

Method for replacing DEF hose

Contact information of your Komatsu distributor

Sign off on the DEF hose replacement

End of service life

Contact information of your Komatsu distributor for safe dismantling

Sign off on the end of service life procedure

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50 Hourly Wheel Loader Maintenance

METHOD FOR DRAINING WATER AND SEDIMENT FROM FUEL TANK

Container placed under drain valve (1) on the left side of the fuel tank

Drain valve (1) on the left side of the fuel tank opened

Sediment and water drained from the bottom of the fuel tank

Clean fuel flowing out

Drain valve (1) closed

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100 Hourly Wheel Loader Maintenance

METHOD FOR LUBRICATING WORK EQUIPMENT

Did you pump in grease until new grease comes out through the gaps on the right and left (or top and bottom) of the lubricated portion?

Did you wipe off any old grease that is pushed out?

NOTICE

Shorten the greasing interval than usual in a job site where the machine works for severe operations, or for continuous operations that last 8 or more hours.

Did you grease the machine once for every 10 hours until the initial 100 hours are reached?

METHOD FOR LUBRICATING REAR AXLE PIVOT PIN

Did you pump in grease through the grease fittings?

Did you wipe off any old grease that is pushed out?

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Initial 250 Hours Wheel Loader Maintenance

Perform the following maintenance work only after the first 250 hours of operation on new machines.

Replace HST oil filter cartridge

Replace hydraulic oil filter cartridge

For details of the method of replacement or maintenance. See EVERY 1000 HOURS MAINTENANCE and EVERY 2000 HOURS MAINTENANCE.

Sign off on the maintenance work

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