Removal Procedure
- Apply the parking brake.
- Block the wheels.
- Remove the nuts, the washers and the bolts.
- Remove the trailer connector coupling dummy couplings at the trailer air brake couplings.
Installation Procedure
Caution: Refer to Fastener Caution in the Preface section.
- Install the trailer connector coupling dummy couplings at the trailer air brake couplings.
Tighten
Tighten the trailer connector coupling dummy coupling nuts to 30 N·m (22 lb ft).
- Install the bolts, the washers, and the nuts.
- Start the engine.
- Charge the system air pressure to the governor cut-out point.
- Use a soap solution in order to inspect for leaks.
- Leakage is not permissible.
- Remove the wheel blocks.