Removal Procedure
- Apply the parking brake.
- Block the wheels.
- Drain all the reservoirs. Refer to
Air Brake Reservoir Draining
.
- Remove the trailer air brake service and the emergency coupling hose at the trailer air brake hose bracket
gladhand.
- Remove the trailer air brake air brake coupling hose bracket gladhand.
Installation Procedure
Notice: Refer to Fastener Notice in the Preface section.
- Install the trailer air brake service coupling hose.
Tighten
Tighten the trailer air brake coupling hose bracket gladhand bolts to 12 N·m (106 lb in).
- Install the trailer air brake emergency brake coupling hose.
- Start the engine.
- Charge the system air pressure to the governor cut-out point.
- Check for leaks with a soap solution.
Leakage is not permissible.
- Remove the wheel blocks.