C18 Marine Engines Fumes Disposal Filter Element - Replace Caterpillar


Fumes Disposal Filter Element - Replace
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C18 Marine Engines [SEBU7689]
LUBRICATION SYSTEM
FUMES DISPOSAL GP
C18 Marine Engines Fumes Disposal Filter Element - Replace
1.1. Resetting the Service Indicator
2.1. Replacing the Fumes Disposal Filter


Illustration 1g01637464
(1) Crankcase breather
(2) Filter base and filter for fumes disposal
(3) Air cleaner

The Closed Crankcase Ventilation system (CCV) requires the replacement of the fumes disposal filter. The service interval of the CCV will be affected by the following items:

  • Engine load

  • Soot concentration

  • Condition of the engine

The CCV is equipped with a service indicator. If the fumes disposal filter becomes plugged prior to the normal service interval, increased restriction of the filter will cause the vacuum to become positive. When the pressure continues to rise, the service indicator will show through the cap. The service indicator indicates the need for the fumes disposal filter to be changed. Reset the service indicator by using the following procedure:

Resetting the Service Indicator



    Illustration 2g01292899
    (4) Plastic cover
    (5) Service indicator

  1. Remove the plastic cover.

  2. Push down on the service indicator.

  3. Replace the cover.

Replacing the Fumes Disposal Filter

------ WARNING! ------

Hot oil and hot components can cause personal injury. Do not allow hot oil or hot components to contact the skin.


Note: When possible, perform the maintenance while the engine is off.



    Illustration 3g01938796
    (6) Filter base assembly
    (7) Latches
    (8) Canister

  1. Release the latches that hold the canister to the filter base assembly .

    Note: Removal of the canister may be difficult while the engine is operating. The canister has negative air pressure while the engine is operating. This creates a vacuum.

  2. Lower the canister in order to expose the element. There may be oil in the bottom of the canister. Avoid spilling the oil.

  3. Remove the filter element by pulling down. Dispose of the used element properly.

  4. Remove the O-ring assembly on the top end cap of the used element.

  5. Replace the O-ring seal on the bottom of the filter base assembly.

  6. Install the new O-ring on the top end cap of the element. Install the element into the correct place.

  7. Replace the canister and align the canister with the boss on the filter base assembly.

  8. Clamp the latches in the closed position.

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