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 682 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
04
EXHAUST SYSTEM
(Continued)
Extension Tube
Inspect
Replace
0.1
0.4
Tailpipe
Inspect
Replace
0.1
0.2
05
COOLING SYSTEM
0501
Draincock
Inspect
Replace
0.1
0.2
Radiator Assembly and
Crossbar Supports
Inspect
Service
Replace
Repair
Test
0.2
0.2
3.0
2.0
0.3
0503
Lines, Fittings, and Hoses
Inspect
Replace
0.1
2.5
Thermostat
Replace
1.0
Thermostat Housing
Inspect
Replace
0.2
1.0
81
Water Manifold
Inspect
Replace
Repair
0.2
2.0
2.0
Water Control Valve
Inspect
Replace
0.2
0.4
0504
Water Pump
Inspect
Replace
Repair
0.1
3.0
2.0
89,102
105,108,
120,125,
127
0505
Fan
Inspect
Replace
0.1
0.5
Fan Clutch & Air Valve
Inspect
Replace
Repair
0.1
1.5
1.5
25
Change 2
B-9
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