TB 9-2320-335-13&P
Section II. MAINTENANCE ALLOCATION CHART B
(SERIAL NUMBERS 300000 AND ABOVE)
(1)
(2)
(4)
(3)
(5)
(6)
MAINTENANCE LEVEL
FIELD
SUSTAINMENT
Tools and
DS
GS
DEPOT
Group
Remarks
Maintenance
UNIT
Equipment
Number
Component/Assembly
Code
Function
Ref Code
F
H
D
C
O
01
ENGINE
0100
Engine Assembly
Inspect
0.2
0.7
Test
1.0
1,21,25
G
Service
0.5
1,2
Adjust
1.0
26,27
Replace
32.7
1,2,24,134,145
Repair
16.0
1,2,28,133,139
145
Mount, Engine
Inspect
0.1
2,133,134
Replace
1.6
1,2,24,133-
135,138
0101
Cylinder Head
Replace
3.0
1,2,6
Repair
5.0
1,2,6,8
Block, Cylinder
Repair
10.0
1,2,6-8,
12-18
0102
Crankshaft
Replace
4.0
1,2
Pulley, Crankshaft
Replace
0.5
1,2
Damper, Vibration
Replace
0.5
1,2,6
Bearings, Crankshaft
Replace
4.0
1,2
Oil Seals, Crankshaft, Front
Replace
2.0
1,2
Oil Seals, Crankshaft, Rear
Replace
2.0
1,6,29
0103
Flywheel
Replace
3.5
1,6
0104
Pistons, Connecting Rod
Rods, Connecting
Replace
8.0
1,6
Bearings, Connecting Rod
Replace
2.0
1,6
Replace
8.0
1,6
Rings, Piston
Replace
7.0
1,6,10
0105
Valves, Camshaft, and
Timing System
Cover, Rocker Arm
Replace
1.0
1,6
Valves, Intake and Exhaust
Replace
3.0
1,6
Repair
3.0
1,6,8
Rocker Arm Assembly
Replace
2.1
1,6
Springs, Valve
Test
0.5
1,8
Replace
2.3
1,6
Rods, Push
Replace
3.0
1
Lifters
Replace
6.0
1,2,23
Gears and Chain, Timing
Replace
4.0
1,2,6,10,113
Camshaft
Replace
4.0
1,6,10
Bearings, Camshaft
Replace
4.0
1,6,30
B-4
