Bendix AD-9si and AD–IS Air Dryers

cen mm 42.02.000

  1. Park the vehicle on a level surface, shut down the engine, and set the parking brake. Chock the tires.
  2. Drain the air reservoirs.
  3. Using a strap wrench or equivalent, loosen the desiccant cartridge. See Fig.. Spin the cartridge off by hand and discard it.
    1. Desiccant Cartridge

    2. Cartridge Sealing Ring

    3. Threaded Base Post

    Fig. 1, Desiccant Cartridge Replacement

  4. On the new desiccant cartridge, lubricate the sealing rings with silicone grease.
  5. Important: Only use the silicone grease supplied with Bendix replacement kits.

  6. Screw the desiccant cartridge onto the body, by hand, until the seal makes contact with the body. Rotate the cartridge clockwise about one full turn. Firmly tighten the cartridge.
Note:
Document Number: 0000122387
Manual Publication Date: 2025-02-11
Topic Publication Date: 2024-06-04