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 439 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)
2.
PARKING BRAKE VALVE
3.
DRAINCOCK
4.
PLUG (2)
5.
SECONDARY RESERVOIR
6.
DOUBLE CHECK VALVE
7.
90° CHECK VALVE
8.
90° ELBOW
9.
DRAINCOCK
10.
45° ELBOW
11.
45° CHECK VALVE
12.
DOUBLE CHECK AND QUICK RELEASE VAL
13.
FORWARD-REAR AXLE BRAKE CHAMBER (2
14.
RELAY VALVE
15.
REAR-REAR AXLE AIR BRAKE CHAMBER (;
16.
QUICK RELEASE VALVE (2)
17.
ADAPTER
18.
90° ELBOW
19.
PLUG
20.
PRIMARY RESERVOIR
21.
AIR DRYER
22.
TRACTOR PROTECTION VALVE
23.
AUTOMATIC DRAIN VALVE
24.
90° ELBOW
25.
QUICK RELEASE COUPLER
26.
SAFETY VALVE
27.
SUPPLY RESERVOIR
28.
90° ELBOW (2)
29.
CHECK VALVE
30.
TRAILER SUPPLY VALVE
31.
TRAILER HAND CONTROL BRAKE VALVE
32.
BRAKE TREADLE VALVE
33.
DOUBLE CHECK VALVE
34.
DOUBLE CHECK AND STOPLAMP VALVE
35.
FRONT AXLE RATIO VALVE
36.
AIR COMPRESSOR/GOVERNOR
TA 236963
2-313
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