Komatsu H70051 Series Operation & Maintenance Manual page 387

MAINTENANCE
1.
Remove the bolt (1), then remove the fixing clip (2) of the
KCCV drain hose.
2.
By using the special wrench, loosen the ring (5) of the
KCCV ventilator (3).
3.
After the ring (5) comes off, remove the case (6) from body (4), and remove the element (7).
There may be oil accumulated or sticking in the case and
element. Take care not to spill the oil when replacing the
element.
REMARK
When the ambient temperature is low, water or emulsified
matter may stick to the inside of KCCV because of con-
densation of water vapor in the blowby gas. However, if
the coolant level is normal, it is not a problem.
4.
Remove the used O-ring (8) sticking to the case (6) and install a new O-ring contained in the service kit.
Apply the engine oil to the new O-ring.
While matching the ◇ mark (9) of the new element with the
5.
◇ mark (10) of the body label, insert the element firmly into
the end of the body.
MAINTENANCE PROCEDURE
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