Replace Fuel Filters—500 Hours

CAUTION:

TS1343
TS1343-UN-18MAR92

High-pressure fluid remaining in fuel lines can cause serious injury. Only technicians familiar with this type of system should perform repairs. Before disconnecting fuel lines, sensors, or any other components between the high-pressure fuel pump and nozzles on engines with High Pressure Common Rail (HPCR) fuel system, wait a minimum of 15 minutes after engine is stopped.

  1. N82455
    N82455-UN-05MAR09

    A - Primary Fuel Filter

    B - Secondary Fuel Filter

    C - Drain Valves

    D - Harness

    E - Retaining Ring

    F - Retaining Ring

    G - Water Separator

    Thoroughly clean exterior of filter elements and filter mounting areas.


  2. CAUTION: Fuel in filters may be under pressure. Open valve (C) on bottom of water separator bowl to relieve pressure prior to removing filter.

    NOTE: Use a catch pan when draining fuel and also when removing filters from the machine.

    NOTE: Fuel/water separator is part of fuel filter assembly.

    Drain water and contaminates from fuel filters (A) and (B) into a suitable container by opening drain valves (C) on bottom of filters.

  3. Disconnect water sensor harness (D).

  4. IMPORTANT: Always replace both filters at the same time.

    NOTE: Additional fuel will drain from filter housings.

    Lift up and rotate retaining ring (E) counterclockwise. Remove primary fuel filter and retaining ring.

  5. Lift up and rotate retaining ring (F) counterclockwise. Remove water separator fuel filter and retaining ring. Remove water separator (G).

  6. Install water separator on replacement filter.

  7. IMPORTANT: Do NOT prefill either fuel filter with fuel.

    Lube filter seals with diesel fuel and install filters.

  8. Turn key to “Run” position for approximately 60 seconds before starting engine to provide time to prefill fuel filters. Fuel system is self-bleeding.

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