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MAINTENANCE
SERVICE PROCEDURE
REPLACE CORROSION RESISTOR CARTRIDGE
WARNING
The oil is at high temperature after the engine has been operated, so never replace the cartridge immediately after finishing
operations.
Wait for the oil to cool down before replacing cartridge.
Container to catch coolant
Filter wrench
1.
Close lever (1) of corrosion resistor (2). (2 places)
2.
Set a container under the cartridge to catch the coolant.
3. Using a filter wrench, turn cartridge (2) to the left to remove it.
4.
Clean the filter holder, coat the seal surface of the new
cartridge thinly with engine oil, then install the cartridge.
Always use a genuine Komatsu part for the cartridge.
5.
When installing the cartridge, bring the packing surface into contact with the seal surface of the filter holder, then
tighten a further 2/3 times.
If the filter cartridge is tightened too far, the gasket will be damaged and water will leak. If it is too loose, water
will leak from the gap in the gasket, so always keep to the proper tightening angle.
6. Open lever (1) of corrosion resistor (2).
7.
After replacing the cartridge, run the engine, and check for any leakage of water from the filter seal surface. If
any water leakage is found, check the tightening of the filter cartridge.
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