Komatsu PC118MR-8 Operation And Maintenance Manual page 329

MAINTENANCE
2. Let the engine idle and turn the work equipment 90° to
move them to the side of the track.
3. Force the first boom until the track is lifted from the ground,
spin the track for two minutes. Repeat this procedure on
both the left and right side of the machine.
Bleeding the optional attachments
NOTICE
If the manufacturer of an attachment indicates a specific
bleeding procedure, follow the instructions.
If a hydraulic breaker or another accessory is installed on the
machine, run the engine at idle and press the control several
times (around 10 times) until the air has been purged from the
accessories circuit.
NOTICE
q After the bleeding operation, stop the engine and wait
at least 5 minutes before starting work to eliminate all
the air bubbles from the oil present in the hydraulic
cylinder.
q Make sure that there are no oil leakages and remove
any oil that may have been spilled.
WEAM014802
MAINTENANCE PROCEDURES
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