TM-9-2320-283-20-3
TRUCK TRACTOR, LINE HAUL, 50,000 GVWR, 6X4, M915A1
TECHNICAL MANUAL; ORGANIZATIONAL MAINTENANCE PART 3 OF 3
DECEMBER 1983
TM-9-2320-283-20-3 - Page 688 of 756
TM 9-2320-283-20-3
Section II.
MAINTENANCE ALLOCATION CHART (continued)
(4)
Maintenance Level
Field
Sustainment
Unit
DS
GS
Depot
(1)
Group
Number
(2)
Component/
Assembly
(3)
Maintenance
Function
C
O
F
H
D
(5)
Tools
and
Equipment
(6)
Remarks
10
FRONT AXLE
(Continued)
1105
Differential Lockout
Repair
Replace
1.0
1.0
12
BRAKES
1201
Park Brake Assembly
Inspect
Adjust
Repair
Replace
0.1
0.5
1.4
0.8
1202
Foundation Brakes
Brake Shoe Assemblies
Inspect
Adjust
Repair
Replace
1.0
0.5
3.0
3.5
Slack Adjuster
Replace
0.3
S-Cam Mechanism
Replace
3.0
1208
Air Lines and Fittings
Inspect
Replace
0.1
2.2
Air Reservoirs
Inspect
Service
Replace
0.2
0.1
1.1
1208
Air Brake Chambers
Adjust
Replace
Repair
0.2
2.0
2.2
Double Brake Chambers
Adjust
Replace
Repair
0.2
2.0
2.2
1208
Dual Brake Valve and
Pedal
Replace
Repair
1.5
1.3
Trailer Protection Valve
Replace
1.5
Relay Valve
Replace
1.5
Change 2
B-15
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