1. With air brake system connected, apply a solution of detergent and water to protection valve and
connections. No leakage is permitted.
2. With brake system fully pressurized, disconnect gladhands tagged EMERGENCY from prime
mover. Make sure towed vehicle brakes apply automatically.
3. Repeat step 2 for gladhands from towed vehicle.
Figure 98. Air Brake Protection Valve Assembly
END OF WORK PACKAGE