A driver is preparing to check the pushrod free play on manual slack adjusters during a pre-trip foundation brake inspection. Place the following procedural steps in the correct operational sequence from first to last.
- 1Place wheel chocks securely against the tires on flat, level ground.
- 2Release the parking brakes from inside the cab to remove spring brake tension.
- 3Grip the manual slack adjuster linkage at the brake chamber and pull firmly by hand.
- 4Verify that pushrod movement from the chamber face does not exceed approximately .
Cevap
The correct operational sequence begins with securing the vehicle using wheel chocks, releasing the cab parking brakes to remove spring tension from the chambers, firmly pulling each slack adjuster by hand, and verifying that pushrod travel does not exceed approximately .
To accurately and safely inspect manual slack adjusters, the vehicle must first be secured against movement with wheel chocks on level pavement. Releasing the cab parking brake valve relieves spring brake force so the pushrods can move. Pulling firmly on each slack adjuster by hand allows the driver to confirm that free play does not exceed the legal safety threshold of approximately .
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Anahtar Kavram
Standard step-by-step procedure for testing manual slack adjuster pushrod free play during vehicle inspection
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