Method For Replacing Hydraulic Oil Filter Cartridge - Komatsu H70051 Series Operation & Maintenance Manual

MAINTENANCE PROCEDURE
Repeat this work until no air is discharged from the oil filler port (F).
24. Stop the engine.
25. Check the hydraulic oil level approximately 5 minutes later.
If the oil level is between H and L of sight gauge (G), it is proper.
26. Check the cover (10) mount for oil leakage.
27. Install the cover (8) with bolts (7) (4 pieces).
28. Install the cover (6) with bolts (5) (2 pieces).
29. Install the cover (2) with bolts (1) (2 pieces).

METHOD FOR REPLACING HYDRAULIC OIL FILTER CARTRIDGE

• Immediately after the engine is stopped, its parts and oil are still very hot and may cause burn in-
jury. Wait for the temperature to go down, and then start the work.
• When removing the oil filler cap, the oil may spurt out. Turn it slowly to release the internal pres-
sure, then remove it carefully.
Items to be prepared
• Container to catch the drained oil
• Filter wrench
4-66
k k
WARNING
MAINTENANCE