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OPERATION
CHECK DUST INDICATOR
1.
Open the engine side cover on the left side of the chas-
sis, and check that the red piston has not appeared in the
transparent portion of dust indicator (1).
2.
If the red piston has appeared, clean or replace the ele-
ment immediately.
For details of the method of cleaning the element, see
"CHECK, CLEAN AND REPLACE AIR CLEANER ELE-
MENT (PAGE 4-21)".
3.
After checking, cleaning, and replacing, press the knob of
dust indicator (1) to return the red piston to its original
position.
CHECK ELECTRIC WIRING
If the fuses frequently blow or if there are traces of short circuits on the electrical wiring, locate the
cause immediately and carry out repairs, or contact your Komatsu distributor for repairs.
Keep the top surface of the battery clean and check the breather hole in the battery cap. If it is
clogged with dirt or dust, wash the battery cap to clean the breather hole.
Check that there is no damage to the fuses and that a fuse of the correct capacity is being used. Check that there
are no disconnections or traces of short circuits on the electrical wiring, and no damage to the covering. Check
also that there are no loose terminals.
Be particularly careful to check the wiring of the battery, starting motor, and alternator.
Always check also that there is no flammable material accumulated around the engine. Remove any such flamma-
ble material.
Please contact your Komatsu distributor for advice on investigation and correction of the cause.
3-50
WARNING
OPERATION
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