6.
Set the work equipment lock lever to FREE position (F).
7.
Operate the blade control lever fully in the direction to low-
er the blade.
8.
Check that the work equipment goes down to the ground
under its own weight.
In
the following cases, the gas charge pressure of the accumulator has gone down. Contact your Komatsu dis-
tributor.
• Work equipment does not go down
• Stops while going down
METHOD FOR CHECKING ALTERNATOR
Ask your Komatsu distributor to have the alternator checked.
If the engine is started frequently, have this inspection performed every 1000 hours.
METHOD FOR CHECKING AND ADJUSTING ENGINE VALVE CLEARANCE
Special tools are necessary for inspection and maintenance. Ask your Komatsu distributor to perform this work.
METHOD FOR CHECKING VIBRATION DAMPER
Ask your Komatsu distributor for inspection of the vibration damper.
METHOD FOR REPLACING KCCV FILTER ELEMENT
WARNING
Immediately after the engine is stopped, the parts are still very hot. Do not replace the element immedi-
ately
. Wait for all parts to cool down before starting the work.
MAINTENANCE MAINTENANCE PROCEDURE
4-67
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