TM 9-2320-273-20
Section II MAINTENANCE ALLOCATION CHART FOR TRUCK, TRACTOR, M915,
M916, AND M920 AND CHASSIS FOR M917, M918, AND M919 (Continued).
(1)
GROUP
NUMBER
12
1208
1208
1208
1208
1211
(2)
COMPONENT/ASSEMBLY
BRAKES (Continued)
Air Lines and Fittings
(Truck Tractor)
Air Reservoirs
Automatic Drain
Air Brake Chambers
Double Brake Chambers
Wedge and Actuator Housing
Assemblies
Trailer Hand Brake
Dual Brake Volvo and Pedal
Trailer Protection Valve
Relay Valve
Ouick Release
Limiting Valve
Double Check Valves
Air Compressor
Air Compressor Governor
Air Dryer
Trailer Connector Brake
Lines and Couplings
(3)
MAINTENANCE
FUNCTION
Inspect
Replace
Inspect
Service
Replace
Replace
Adjust
Replace
Repair
Adjust
Replace
Repair
Replace
Inspect
Replace
Repair
Replace
Replace
Replace
Replace
Replace
Replace
Replace
Repair
Adjust
Replace
Inspect
Service
Replace
Inspect
Replace
Repair
(4)
MAINTENANCE
CATEGORY
O
F
H
D
2.2
1.1
0.2
0.2
2.0
2.2
0.2
2.0
2.2
2.0
1.8
1.5
1.5
1.5
1.5
1.5
1.5
1.5
4.0
2.0
0.5
1.5
0.8
1.0
1.3
(5)
(6)
TOOLS AND
EQUIPMENT
REMARKS
85-177 thru
180-219
Individual
Lines
Supply
Reservoir
Only
Spring Brake
Chamber
Only
Front and
Pusher Axle
Only
Spring Brake
Chamber only
B-14
Change 2
C
1.0