Engine, Adjusting The Valve Clearance; Service Brake, Change Oil Filter - Komatsu WA270-3H Operation & Maintenance Manual

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ENGINE, ADJUSTING THE VALVE CLEARANCE

NOTE
The valve clearance may only be adjusted by a competent garage.
Refer to the workshop and training manual for the required actions
and settings.

SERVICE BRAKE, CHANGE OIL FILTER

Run the engine for approx. 3 minutes at high speed in order to fill
the service brake pressure accumulator. Then switch the engine
off.
WARNING
Frequent skin contact with used transmission oil may cause
skin damages and other injuries!
Carry rubber gloves for exchanging the filter. Wash any
transmission oil carefully from your skin.
DANGER
Severe accidents may happen, if you perform maintenance
operations on machines which are not properly parked and
secured!
Park the machine on firm and level ground and secure it, before
starting maintenance operations.
1.
Park and secure the machine as described in chapter "Preparing
the Machine for Maintenance".
2.
Unscrew the filter housing behind the left-hand side cover of the
rear frame and remove the filter insert.
3.
Clean the filter housing and check the O-ring of the sealing;
exchange the O-ring if it is damaged, hardened or significantly
deformed.
4.
Insert the new filter insert. Then, re-insert and retighten the screw
filter housing.
5.
Let the engine run and check the filter housing for leaks.
MAINTENANCE EVERY 1000 OPERATING HOURS
3-39

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