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 678 of 756
TM 9-2320-283-20-3
Section II.
MAINTENANCE ALLOCATION CHART
(4)
Maintenance Level
Field
Sustainment
Unit
DS
GS
Depot
(1)
Group
Number
(2)
Component/
Assembly
(3)
Maintena
nce
Function
C
O
F
H
D
(5)
Tools
and
Equipment
(6)
Remarks
01
ENGINE
0100
Engine (Diesel)
Service
Replace
Repair
2.0
16.0
65.0
83
143
Engine Mount
Inspect
Replace
0.2
0.4
0101
Cylinder Head
Inspect
Replace
Repair
1.0
7.0
10.4
84,86,87,
88,90,91,
95 thru 99
103,104,
109,110
112,114
121 thru
124,126,
141, 168
Engine Block
Inspect
Repair
2.0
40.0
144,145,
158,170,
171
Cylinder and Sleeve
Assembly
Inspect
Replace
0.5
18.0
166
0102
Crankshaft and Main
Bearings
Inspect
Replace
0.5
17.3
143
Main Seals
Inspect
Replace
0.1
20.0
100,172
Vibration Damper
Inspect
Replace
0.5
1.0
0103
Disk and Gear Assembly
Replace
13.0
0104
Connecting Rods, Bearings
And Pistons Assembly
Inspect
Replace
Repair
0.3
27.0
8.0
135,138,
161,154
133,134,
147
0105
Valves
Inspect
Adjust
Replace
0.8
1.8
14.0
Camshaft and Bearing
Inspect
Replace
0.8
27.0
Change 2
B-5
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