TM-9-2320-283-20-1
TRUCK TRACTOR, LINE HAUL, 50,000 GVWR, 6X4, M915A1
TECHNICAL MANUAL; ORGANIZATIONAL MAINTENANCE PART 1 OF 3
DECEMBER 1983
TM-9-2320-283-20-1 - Page 425 of 926
TM 9-2320-283-20-1
TROUBLESHOOTING.
2-11.
TROUBLESHOOTING PROCEDURES (Continued).
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
LEGEND:
1.
FRONT AXLE BRAKE CHAMBER (2)
19.
PLUG
2.
PARKING BRAKE VALVE
20.
PRIMARY RESERVOIR
3.
DRAINCOCK
21.
AIR DRYER
4.
PLUG (2)
22.
TRACTOR PROTECTION VALVE
5.
SECONDARY RESERVOIR
23.
AUTOMATIC DRAIN VALVE
6.
DOUBLE CHECK VALVE
24.
90° ELBOW
7.
90° CHECK VALVE
25.
QUICK RELEASE COUPLER
8.
90° ELBOW
26.
SAFETY VALVE
9.
DRAINCOCK
27.
SUPPLY RESERVOIR
10.
45° ELBOW
28.
90° ELBOW (2)
11.
45°
CHECK VALVE
29.
CHECK VALVE
12.
DOUBLE CHECK AND QUICK RELEASE VALVE
30.
TRAILER SUPPLY VALVE
13.
FORWARD-REAR AXLE BRAKE CHAMBER (2)
31.
TRAILER HAND CONTROL BRAKE VALVE
14.
RELAY VALVE
32.
BRAKE TREADLE VALVE
15.
REAR-REAR AXLE AIR BRAKE CHAMBER (2)
33.
DOUBLE CHECK VALVE
16.
QUICK RELEASE VALVE (2)
34.
DOUBLE CHECK AND STOPLAMP VALVE
17.
ADAPTER
35.
FRONT AXLE RATIO VALVE
18.
90° ELBOW
36.
AIR COMPRESSOR/GOVERNOR
TA 236956
2-299
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