Table 1. Operator Troubleshootlng - Continued
TEST OR INSPECTION
1. BRAKES WILL NOT
Open airbrake shut-off valves.
4. Check that airbrake shut-off valves on
towing vehicle are open.
Close air reservoir draincock.
5. Check that air reservoir draincock is
2. BRAKES GRAB
A hot brake can cause serious
burns. Exercise caution before
attempting to touch wheel hub
after use. Radiated heat will be
felt before brake drum is touched.
Check for moisture in air reservoir.
Open draincock and drain