TM 5-3805-261-10
TROUBLESHOOTING PROCEDURES - CONTINUED
0011 00
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
AIR SYSTEM AND BRAKES
WARNING
1.
Parking/Emergency Brake Will Not
Engage.
Park machine on level ground, stop engine, and lower blade to
prevent injury to operator and/or severe damage to machine.
1. Check for debris/obstruction at
Clean debris/obstruction from
brake actuator.
brake actuator. If problem still
exists, go to test step 2.
NOTE
Raise blade and scarifier before moving machine.
2. Slowly try to move machine
If problem still exists, go to test
forward to test if brake is
step 3.
engaged.
3. Perform parking brake test
If problem still exists, notify Unit
Maintenance.
1. Observe air pressure gages.
If air pressure is not above 60 psi
2.
Parking/Emergency Brake Will Not
Air pressure must be above 60
(414 kPa), check and close air
Release.
psi (414 kPa) in order to
tank drain valve(s) if required. If
release parking brake.
problem still exists, go to test step
2.
If any leaks are present, notify
2. Check for air leaks at air tank,
hoses, fittings, lines, and air
Unit Maintenance. If no leaks are
dryer (if equipped).
found, go to test step 3.
NOTE
Raise blade and scarifier before moving machine.
3. Slowly try to move machine
If problem still exists, notify Unit
forward to test if brake is
Maintenance.
released.
4. Perform parking brake test
If problem still exists, notify Unit
Maintenance.
