TM 5-3805-248-23-1
BRAKE SYSTEM TROUBLESHOOTING PROCEDURES - CONTINUED
0014 00
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
3.
Parking/Emergency
Brakes Do Not Engage.
WARNING
Eye protection must be worn when performing maintenance where components
or particles could fly out during procedure. Failure to take precautions may
cause injury.
Make sure wheels are chocked and bowl is lowered to ground for all tests. Fail-
ure to do so may cause injury or death.
1.
Verify service brakes operate.
If pressure doesn't build, go to
a. Run engine and allow air pressure to
reach normal operating range (TM
Malfunction 7.
5-3805-248-10).
b. Shut down engine (TM 5-3805-248-
10).
1. If any of four actuators do not move, go
c. While watching for actuator
movement, apply and release
to Malfunction 1.
service brakes (TM 5-3805-248-
2. If all actuators move, go to Test 2.
10).
2.
Verify park and emergency brake
operation.
a. Run engine and allow air pressure to
reach normal operating range (TM
5-3805-248-10).
b. Shut down engine (TM 5-3805-248-
10).
1. If one or more (not all) actuators do not
c. While watching for actuator
movement, apply and release park
move, go to Test 3.
and emergency brakes (TM 5-3805-
2. If all four actuators do not move, go to
248-10).
Test 5.
