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Page Title:
MAINTENANCE ALLOCATION CHART (MAC) |
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 TM 5-2410-233-23
MAINTENANCE ALLOCATION CHART (MAC)
Table 1. MAC for the D7F Tractor.
(6)
(4)
(5)
(3)
(2)
(1)
MAINTENANCE LEVEL
FIELD
SUSTAINMENT
TOOLS AND
DS
UNIT
GS
DEPOT
EQUIPMENT REMARKS
MAINTENANCE
COMPONENT/
GROUP
CODE
REF CODE
FUNCTION
C
O
F
H
D
ASSEMBLY
NUMBER
01
ENGINE
0100
Engine Assembly:
Inspect
0.2
A
Test
1.5
139
Service
0.5
117,139
B
Replace
16.4
54,120,139
Repair
46
80
120,121,139
Front Engine Support Replace
3
120,139
Engine Trunnion
Replace
1
120,139
Assembly
Rear Engine Mounts
Replace
4.3
0101
Crankcase, Block,
Cylinder Head:
Cylinder Head
Replace
2
55,120,123,139
Repair
4
20,32,120,139
Block, Cylinder
Replace
40
97,98,112
Repair
16
23,82,97,98,112
0102
Crankshaft:
Crankshaft Pulley
1
120,139
Crankshaft Assembly Replace
24
120,139
Front Seal and Wear
Replace
4
29,51,99,120,
Sleeve
138,139
Rear Seal and Wear
Replace
4
15,51,64,99,
Sleeve
111,114,120,
138,139
0103
Flywheel Assembly:
Flywheel Assembly
Replace
4.3
55,120,139
Flywheel Housing
Replace
10
55,120,139
0105
Valves, Camshafts and
Timing Systems:
Covers, Front Housing Replace
12
120,139
Cover, Valve
Replace
1.5
117,139
Mechanism
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