TM 9-2320-302-20
0234 00-1
MAINTENANCE ALLOCATION CHART (MAC)
0234 00
Table 1. MAC for the M915A3 Tractor Truck.
(1)
GROUP
NUMBER
(2)
COMPONENT/
ASSEMBLY
(3)
MAINTENANCE
FUNCTION
(4)
MAINTENANCE LEVEL
(5)
TOOLS AND
EQUIPMENT
REF CODE
(6)
REMARKS
CODE
UNIT
DS
GS
DEPOT
C
O
F
H
D
01
ENGINE
0100
Engine Assembly
Inspect
Test
Service
Replace
Repair
Overhaul
0.3
0.5
2.0
0.5
17.0
18.0
30.0
6,17,21,114
102,120
100,100,120
100,120
100,101,120
Engine Mounts
Replace
0.8
100,120
0101
Cylinder Head
Assembly
Replace
Repair
4.0
10.4
23,48,50,100,
120
3,13,23,26,27,
28,50,67,69,87,
89,90,91,94,95,
101,120
Cylinder Block
Inspect
Test
Replace
Repair
1.0
1.0
6.0
12.0
100
1,100,111,112,
120
100,120
1,3,11,12,13,39,
50,69,80,83,100,
101,111,112,120
0102
Vibration Damper
Replace
1.0
100,120
Crankshaft Assembly Inspect
Replace
0.5
17.3
101
47,85,101,120
Main Seals
Replace
1.0
45,88,100,120
0103
Flywheel Housing
Replace
1.0
9,100,120
0104
Rod, Piston and Pin
Inspect
Replace
0.5
18.0
101
25,31,34,35,
78,82,101,120
0105
Rocker Arm
Assemblies
Inspect
Replace
0.4
2.8
100,120
32,54,72,75,79,
100,107,120
Rocker Arm Cover
Housing
Replace
0.5
100,120
Camshaft Assembly
Inspect
Replace
0.4
3.0
100
74,77,100,107,
120
