TM 5-3805-248-23-1
BRAKE SYSTEM TROUBLESHOOTING PROCEDURES - CONTINUED
0014 00
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
4.
Park/Emergency Brakes
3.
Inspect brakes for broken,
1. Replace or repair brakes as necessary
disconnected or damaged parts.
Do Not Release -
Continued.
2. Adjust actuators travel to 2.5 in. (63.5
cm) (WP 0151 00).
3. There may be a restriction in park and
emergency brake delivery line(s)
between brake actuator(s) and quick
release holding valve(s). Remove
blockage.
4. If problem still exists, replace
actuator(s) for brake(s) in question (WP
4.
Check for air leak at quick release
If leak exists, replace quick release holding
holding valves.
valves (WP 0156 00 and WP 0157 00).
5.
Check for restriction in park and
1. Unblock park and emergency brake
emergency brake delivery lines.
delivery lines.
2. If problem still exists, replace stuck park
and emergency valve (WP 0145 00).
3. If problem still exists, replace double
check valve (WP 0158 00).
RETARDER SYSTEM
RETARDER CONTROL
RETARDER CONTROL VALVE
VALVE SUPPLY LINE
RETARDER CONTROL VALVE DELIVERY LINES
BRAKE CONTROL VALVE
RETARDER CONTROL VALVE DELIVERY LINES
AIR REGULATOR
HYDRAULIC RETARDER AIR LINE
HYDRAULIC
RETARDER
394-1546
0014 00-10
