BRAKE SYSTEM TROUBLESHOOTING - Continued
BRAKE SYSTEM - Continued
Table 1. Brake System Troubleshooting Procedures - Continued.
TEST OR INSPECTION
2. PARKING BRAKE DOES NOT
Check for air escaping from
RELEASE - CONTINUED
air hose 4.
Tighten air hose 4 to control
port of spring brake valve.
If no air is present, replace
Overheated brakes can cause severe burns. Perform task only when brakes have
cooled. Failure to comply may result in injury to personnel.
Wear appropriate eye protection when working under trailer due to the
possibility of falling debris. Failure to comply may result in injury to personnel.
If wheel drums are too hot for hand to touch after road test of trailer, brakes are
3. BRAKES OVERHEAT
Check to see if air is present
Release parking brake (WP
at air to spring brake
chamber on affected wheels.