Every 500 Hours Maintenance; Lubricating - Komatsu PC220LC -8 Operation & Maintenance Manual

MAINTENANCE

EVERY 500 HOURS MAINTENANCE

Maintenance for every 100 and 250 hours should be carried out at the same time.

LUBRICATING

NOTICE
If any abnormal noise is generated from any greasing point, carry out greasing regardless of the greasing interval.
Carry out greasing every 10 hours for the first 50 hours on a new machine. Carry out the greasing also at 250 hours and 500
hours on a new machine.
After the machine was subjected to jobs in the water, be sure to grease the wet pins.
When carrying out heavy-duty operations, such as hydraulic breaker operations, carry out the greasing every 100 hours.
1. Set the machine to the greasing posture shown on the right,
lower the work equipment to the ground, then stop the engine.
2. Using a grease pump, pump in grease through the grease
fittings shown by arrows.
3. After greasing, wipe off any old grease that was pushed out.
(1) Boom cylinder foot pin (2 places)
(2) Boom foot pin (2 places)
(3) Boom cylinder rod end pin (2 places)
(4) Arm cylinder foot pin (1 place)
MAINTENANCE PROCEDURE
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