BRAKE SYSTEM TROUBLESHOOTING PROCEDURES - CONTINUED
TEST OR INSPECTION
1. Replace governor if defective (WP 0168
Air System High Air
b. Governor is defective if it is
Pressure - Continued.
2. If governor is OK, go to Test 3.
Check unloader valves in cylinder
If unloader valves are damaged or
defective, replace (WP 0377 00).
Oil in Air Reservoirs.
Eye protection must be worn when performing maintenance where components
or particles could fly out during procedure. Failure to take precautions may
Make sure wheels are chocked and bowl is lowered to ground for all tests. Fail-
ure to do so may cause injury or death.
Check for oil in air tanks.
10. Compressor Runs Hot.
Check air system for leaks.
Go to Malfunction 7.
HOLD PEDALS AND APRON CONTROL SYSTEM
DIFFERENTIAL LOCK CONTROL VALVE
APRON CONTROL VALVE