Cab Fresh-Air Filter Cleaning, Foam Filters

4700 mm 83.02.003
  1. Shut down the engine, set the parking brake, and chock the tires.
  2. From inside the cab, remove the fasteners that attach the HVAC cover, if equipped, to the HVAC assembly. Remove the HVAC cover. See Fig..

    1. HVAC Cover

    Fig. 1, HVAC Cover

  3. To access the air filters, remove the screws that attach the air filter cover to the air intake plenum. Remove the air filter cover.
  4. Remove the two air filters from the air intake plenum. See Fig..

    1. Air Filters

    Fig. 2, Cab Fresh-Air Filters

  5. Clean the air filters, as follows.
    1. Wash the air filters by flushing soapy water from the air-outlet side of the filter to the air-intake side of the filter.
    2. Rinse the air filters by flushing clear water from the air-outlet side of the filter to the air-intake side of the filter.
    3. Allow the air filters to air dry.
  6. Install the air filters in the air intake plenum. Make sure the arrow on the air filter is pointing in the direction shown in Fig..
  7. Using screws, attach the air filter cover to the HVAC assembly.
  8. Attach the HVAC cover, if equipped, to the HVAC assembly.
Note:
Parent topic: HVAC Air Filter Cleaning and Replacement
Document Number: 0000121100
Manual Publication Date: 2024-05-23
Topic Publication Date: 2024-10-31