METHOD FOR RELEASING PRESSURE IN HYDRAULIC CIRCUIT
NOTICE
Finish the steps of operating the blade control lever to the front and back, and to the right and left, to
each stroke end within 15 seconds after the engine has stopped.
After the engine stops, pressure inside the accumulator begins to gradually go down, so the pressure
cannot be released except right after the engine stops.
1.
Lower the work equipment to the ground and stop the engine.
2.
Turn the starting switch to ON position.
3.
Set the work equipment lock lever to FREE position.
4.
Operate the blade control lever fully to the front, rear, left, and right to release the pressure from the hy-
draulic circuit.
In order to release pressure from the ripper hydraulic cir-
cuit, operate the ripper control lever to the right and left to
each stroke end.
(a) RAISE
(b) HOLD
(c) LOWER
(d) FLOAT
(A) Tilt RIGHT
(B) Tilt LEFT
5.
Set the work equipment lock lever to LOCK position.
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.
MAINTENANCE PROCEDURE MAINTENANCE
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