Komatsu D61EX-24 Operation & Maintenance Manual page 210

OPERATION
METHOD FOR CHECKING DUST INDICATOR
1.
Open the engine side cover on the left side of the machine.
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, clean or
replace the element immediately.
For the cleaning method of the element, see "METHOD
FOR CHECKING, CLEANING AND REPLACING AIR
CLEANER".
REMARK
Also, clean or replace the air cleaner element when the air
cleaner clogging caution lamp lights up.
4.
After checking, cleaning, and replacing, push the button of
dust indicator (1).
The yellow piston returns.
5.
Close the engine side cover.
METHOD FOR CHECKING ELECTRIC WIRING
• If fuses are frequently blown or if there are traces of short-circuiting on the electrical wiring,
promptly ask your Komatsu distributor to locate the cause of it and to perform the repair.
• Keep the top surface of the battery clean and check the vent hole in the battery cap. If it is clogged
with dirt or dust, wash the battery cap with water to clear the vent hole.
NOTICE
In particular, inspect the wiring of "battery", "starting motor", and "alternator" with care.
Perform the following inspection.
• Perform inspection to confirm that the fuses have no defect and their capacity is proper.
• Perform inspection to confirm that there is no disconnection or trace of short-circuiting in the electric wiring
and no damage to the coating.
• Perform inspection to confirm that there is no loose terminals, and tighten any loose parts if found.
• Always check if there is any accumulation of combustible material around the battery, and remove such
combustible material.
MACHINE OPERATIONS AND CONTROLS
k k
CAUTION
3-159