Inspection and Adjuster of the Suspension and Slack

ep3 DM 18.05.001

Walk around the vehicle and visually inspect suspension and slack adjuster components.

  1. Inspect the following suspension components for signs of structural damage, cracks, or wear.
    • springs

    • spring hangers

    • shocks

    • suspension arms

    • suspension brackets

    • axle seats

    • bushings

  2. Inspect slack adjusters for signs of damage. See Fig. .
    1. Grease Fitting (if equipped)

    2. Slack Adjuster Housing

    3. Brake Chamber Pushrod

    4. Clevis

    5. Clevis Pin (large)

    6. Clevis Pin (small)

    7. Actuator Rod

    8. Boot

    9. Manual Adjusting Nut

    10. Camshaft Splines

    Fig. 1, Meritor Automatic Slack Adjuster

    • Inspect slack adjuster boots for cuts or tears.

    • Look for worn clevis pins on brake chamber pushrods.

    • Look for missing or damaged cotter pins on the clevis pins.

    • Ensure chamber piston rods are in line with the slack adjusters.

Note:
Document Number: 0000087048
Manual Publication Date: 2024-03-21
Topic Publication Date: 2025-02-13