Breaker Circuit Additional Oil Filter Element - Replace - Komatsu PC78US-6 Operation & Maintenance Manual

MAINTENANCE

Breaker Circuit Additional Oil Filter Element - Replace

(If equipped)
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 4-15)".
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 removed parts, then install new element (2) and
O-ring (4).
5. When installing, bring the case into contact with the filter
holder, then tighten a further 1/2 turns.
MAINTENANCE PROCEDURE
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