Power Tech Generators PTI-25 Operation & Maintenance Manual page 33

12. Dispose of the old filter according to local regulations.
Fuel Pump Filter Replacement
1. Shut down the generator set and put it in OFF mode.
2. If equipped, activate the Start Inhibit switch.
3. Ensure the generator set is on a level surface and properly supported.
4. Allow the generator set to cool fully.
5. Disconnect the wiring attached to the pump cover.
6. Carefully remove the cover from the pump.
Note:
There will be fuel present inside the pump. Be prepared to catch the fuel that may spill
out.
7. Remove the filter and gasket.
8. Clean or replace the filter using new gaskets.
a. For the paper type:
i. Replace the filter using new gaskets.
b. For the steel mesh type:
i. Clean the removed filter with clean diesel fuel and blow off the dirt and other
impurities using high-pressure air.
ii. Reinstall the filter using new gaskets.
9. Reinstall the cover and tighten.
10. Reconnect wiring to cover.
11. Bleed the air from the fuel system.
12. Clean up any spilled fuel.
13. Dispose of the old filter according to local regulations.
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