385B Excavator Fuel System Secondary Filter - Replace Caterpillar


Fuel System Secondary Filter - Replace
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385B Excavator [SEBU7440]
FUEL SYSTEM
FILTER GP-FUEL
385B Excavator Fuel System Secondary Filter - Replace


NOTICE

Turn the disconnect switch OFF or disconnect the battery when changing fuel filters.

Do not fill fuel filters with fuel before installing them. Contaminated fuel will cause accelerated wear to fuel system parts.




    Illustration 1g00278210

  1. Unlatch the engine hood and raise the engine hood.


    Illustration 2g00807781

  2. Remove the two fuel filters.

  3. Inspect the fuel filters for debris by cutting the fuel filters open.

    Note: The fuel filters are cartridge type filters. The filters cannot be reused.

    Note: Dispose of used filters and used fluids according to local regulations.

  4. Clean the filter mounting bases. Make sure that all of the old seal is removed.


    Illustration 3g00101634

  5. Lubricate the seal of the new filter with clean diesel fuel.

  6. Install the new filters by hand. Additionally tighten the filter by 3/4 of a turn, after the gasket contacts the filter base.

    Every new filter has four rotation index marks. Each mark indicates 1/4 turn. Use these rotation index marks as a guide for proper tightening.

  7. Prime the fuel system. Refer to Operation and Maintenance, "Fuel System Priming Pump - Operate".

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