Change Oil In Brake Oil Tank, Replace Brake Oil Filter Element - Komatsu GALEO HM350-2 Operation & Maintenance Manual

MAINTENANCE

CHANGE OIL IN BRAKE OIL TANK, REPLACE BRAKE OIL FILTER ELEMENT

The parts and oil are at high temperature immediately 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 oil in the transmission case and each filter case)
Carry out the following items at the same time in order to drain oil completely.
REPLACE TRANSMISSION FILTER ELEMENT (PAGE 4-66)
CHANGE OIL IN TRANSMISSION CASE (PAGE 4-67)
CHANGE OIL IN BRAKE OIL TANK, REPLACE BRAKE OIL FILTER ELEMENT (PAGE 4-69)
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. Set a container to catch the oil immediately under the filter case
(1), then 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 oil, then install.
5. Assemble a new element in the filter case, coat the O-ring of
the element thinly with clean oil, then install.
Tightening torque: 78.4 to 98 Nm
{8 to 10 kgm, 57.9 to 72.3 lbft}
WARNING
SERVICE PROCEDURE
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