Komatsu PC138US - Replace Breaker Circuit Additional Oil Filter Element (if Equipped)

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MAINTENANCE
MAINTENANCE PROCEDURE
REPLACE BREAKER CIRCUIT ADDITIONAL OIL FILTER ELEMENT
(If equipped)
WARNING
After the engine is stopped, the parts and oil are at high temperature, so there is danger of burns. Wait for the temperature to
go down before starting the operation.
When removing the cap from oil filler port (F), turn it slowly to release the internal pressure, then remove it carefully.
NOTICE
For details of the replacement interval for the element, "MAINTENANCE INTERVAL FOR HYDRAULIC BREAKER (PAGE 4-16)".
Prepare a container to catch the oil.
1.
Place a container under the filter element to catch the oil.
2.
Turn filter case (1) to the left to remove it, then take out element
(2).
3.
Remove plug (3) from filter case (1).
4.
Clean the parts that were removed and install new element (2).
5. When installing filter case (1) and plug (3), tighten to the
tightening torque given below.
Tightening torque
Case (1): 58.8 to 78.5 Nm (6 to 8 kgm, 43.4 to 57.9 lbft)
Plug (3): 39.2 to 49.0 Nm (4 to 5 kgm, 28.9 to 36.2 lbft)
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