Komatsu D155AX-8E0, Operation & Maintenance Manual

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1) Open inspection cover (2) at the center of the power
train case bottom.
2) Drain excessive oil through drain plug (P) of the en-
gine damper at the front of the machine which is seen
through the inspection window.
When draining the engine oil, put a container to re-
ceive the oil under the drain plug.
3) Check the oil level again.
METHOD FOR CHECKING DUST INDICATOR
1.
Open the engine side cover on the left side of the ma-
chine.
2.
Check if the inside yellow piston of dust indicator (1) is lap-
ped over the peripheral red zone.
3.
If the yellow piston is lapped over the red zone (A), clean
or replace the element immediately.
For the cleaning method of the element, see “METHOD
FOR CHECKING, CLEANING AND REPLACING AIR
CLEANER (4-15)”.
REMARK
Clean or replace the element even if the air cleaner clog-
ging caution lamp is not lit.
4.
After checking, cleaning, and replacing, push button (2) of
dust indicator (1).
The yellow piston returns.
In an environment where the rubber is deteriorated or the
surface is damaged easily (in the direct sunlight, sandy
district, etc.), replace before reading becomes difficult be-
cause of dirt.
METHOD FOR CHECKING BRAKE OPERATION
1.
Drive the machine in FORWARD 2nd speed range.
2.
Depress the brake pedal and check that the machine stops.
OPERATION MACHINE OPERATIONS AND CONTROLS
3-149