Every 1000 Hours Maintenance; Every 1000 Hours Maintenance; Hydraulic Filter Element - Replace - Komatsu PC78US-6 Operation & Maintenance Manual

MAINTENANCE PROCEDURE

EVERY 1000 HOURS MAINTENANCE

Maintenance for every 50, 100, 250 and 500 hours service should be carried out at the same time.
Hydraulic Oil Filter Element - Replace
The parts and oil are at high temperature after the engine is stopped, and may cause burns.Wait for the temperature to go down
before starting the work.
When removing the oil filler cap, turn it slowly to release the internal pressure, then remove it.
NOTICE
If the machine is equipped with a hydraulic breaker, the hydraulic oil will deteriorate much faster than during normal bucket
operations. For details, see "MAINTENANCE INTERVAL FOR HYDRAULIC BREAKER (PAGE 4-15)" when carrying out
maintenance.
1. Retract the arm and bucket cylinders, then lower the boom and
put the teeth in contact with the ground.
2. Lower the blade.
3. Open mud cover (1).
4. Remove the cap from oil filler (F), and release the internal
pressure.
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MAINTENANCE