Komatsu PC118MR-8, Operation And Maintenance Manual

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TROUBLESHOOTING
FUNCTIONING
3-190
TROUBLESHOOTING 3
IF FUEL RUNS OUT COMPLETELY 3
Before starting the engine after running out of fuel, refuel and bleed the fuel system.
Air vent procedure 3
1. Loosen the grip of the supply pump (1), take it out and
pump until the movement becomes difficult.
REMARK
It is not necessary to remove the cap on the upper part of the
pre-filter and the fuel main filter.
2. Insert the knob of the supply pump (1) and fasten it.
3. Turn the ignition key to position START to start the engine.

Do not make the starter run for more than 20 seconds
without interruption. If the engine does not start, wait at
least 2 minutes and try again; repeat this operation 4 times
maximum.
OCCURRENCES THAT ARE NOT FAILURES 3
Pay attention to the following occurrences, that are not
considered failures:
q
When the arm is retracted and the work equipment is
lowered with no load, the arm speed drops momentarily
according to the more or less vertical position of the arm
itself.
q
When the bucket is folded and the work equipment is
lowered with no load, the bucket speed drops momentarily
according to the more or less horizontal position of the
bucket teeth.
q
The bucket or the arm swing only during heavy digging
operations.
q
When the swing is operated or locked, the brake valve
emits a noise.
q
When the machine travels down a steep slope at low
speed, the travel motor brake valve emits a noise.
WEAM014802