Method For Changing Oil In Hydraulic Tank - Komatsu HB365LC-3 Operation & Maintenance Manual

MAINTENANCE PROCEDURE

METHOD FOR CHANGING OIL IN HYDRAULIC TANK

• 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.
NOTICE
If the machine is equipped with a hydraulic breaker, the hydraulic oil deteriorates faster than in the nor-
mal bucket digging operation. Accordingly, perform the maintenance by referring to "MAINTENANCE
SCHEDULE (4-13)".
Refill capacity: 188 ℓ
Items to be prepared
• Container to catch the drained oil
• Socket wrench handle
1.
Swing the upper structure so that the drain plug (P) of the
hydraulic tank and the drain plug (A) at the bottom of the
pump suction tube come to the middle between the right
and left tracks.
2.
Retract the arm and bucket cylinder rods, then lower the
boom to lower the teeth to the ground.
3.
Set the lock lever to LOCK (L) position and stop the en-
gine.
4.
Remove the cap of oil filler port (F).
4-86
k k
WARNING
MAINTENANCE