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MAINTENANCE
SERVICE PROCEDURE
REPLACE CORROSION RESISTOR CARTRIDGE
WARNING
If the engine has been operated, all parts will be at a high temperature, so never try to replace the cartridge immediately after
stopping the engine.
Always wait for the engine and other parts to cool down.
Container to catch drained coolant
Prepare a filter wrench for fuel filter element.
1.
Turn valve (2) of corrosion resistor (1) as far as the CLOSE
stopper.
2. Set a container to catch the coolant under the cartridge.
3.
Using a filter wrench, turn cartridge (3) to the left to remove it.
4.
Clean the filter holder, coat the packing surface and thread of
the new cartridge with oil, then install it to the filter holder.
5.
When installing, tighten until the packing surface contacts the
seal surface of the filter holder, then tighten it up 2/3 of a turn.
If the filter cartridge is tightened too far, the packing will be
damaged and this will lead to leakage of coolant.
If the filter cartridge is too loose, coolant will also leak from the
packing, so always tighten to the correct amount.
6.
Turn valve (2) of the cartridge to the OPEN position.
7.
After replacing the cartridge, start the engine and check for any
coolant leakage from the filter seal surface. If there is any
leakage, check if the cartridge is tightened properly.
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