Komatsu HM400-1, Руководство пользователя

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MAINTENANCE
SERVICE PROCEDURE
CHANGE OIL IN BRAKE OIL TANK, REPLACE BRAKE OIL FILTER ELEMENT
WARNING
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.
Prepare a filter wrench
Refill capacity: 115 liters (30.38 US gal) (including transmission case)
To drain all the oil, carry out the procedure for Item "CHANGE OIL IN TRANSMISSION CASE (PAGE 4-58)" at the
same time.
1. Depress the brake pedal at least 20 times to reduce the pressure inside the brake control accumulator to 0.
2. Set the container to catch the oil directly under drain plug (P).
Remove drain plug (P), drain the oil, then tighten the plug
again.
3. Remove filter case (1).
4. Take out the element and wash the inside of the filter case.
Replace O-ring (2) and backup ring (3) on the filter case with
new parts, coat thinly with clean engine oil, then install.
5. Assemble a new element in the filter case, coat the O-ring of
the element thinly with clean engine oil, then install.
Tightening torque: 78.4 to 98 N
·
m
(8 to 10 kgf
·
m, 57.9 to 72.3 lbft)
4 - 60