TM 5-3805-248-23-1
BRAKE SYSTEM TROUBLESHOOTING PROCEDURES - CONTINUED
0014 00
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
6.
Retarder Does Not Release
2.
Check hydraulic retarder.
- Continued.
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).
c. Engage retarder control valve and
release (TM 5-3805-248-10).
d. Loosen hydraulic retarder air line.
1. If hydraulic retarder disengages,
remove restriction from retarder control
valve delivery lines and/or hydraulic
retarder air line (WP 0141 00).
2. If hydraulic retarder does not disengage,
replace hydraulic retarder (WP 0292
00).
AIR SYSTEM
PARK AND EMERGENCY
CONTROL VALVE
AIR HORNS
RETARDER CONTROL VALVE
HORN BUTTON
TRANSMISSION HOLD CONTROL VALVE
AIR PRESSURE GAGE
DIFFERENTIAL LOCK
CHECK VALVE
CONTROL VALVE
BRAKE CONTROL VALVE
BOWL APRON
CONTROL VALVE
AIR TANK
AIR TANK
OPERATOR
COMPARTMENT
AIR DRYER
TRACTOR BRAKE RELAY VALVE
394-1547
0014 00-13
