TM 5-2420-230-24-1
(4)
Maintenance Level
(1)
(2)
(3)
Field
Sustainment
(5)
(6)
Direct General
Tools and
Unit
Support Support Depot Equipment Remarks
Group
Maintenance
Code
Component/Assembly
Function
C
O
F
H
D
Ref Code
Code
AA
Drive Belt
Inspect
0.1
B
Replace
0.3
38
AA
Cylinder Head
Inspect
0.2
Service
0.2
Adjust
1.2
3,23,36,38
Replace
4.3
36,38
Repair
5.0
3,21,24,36,38
C
AA
Exhaust Manifold
Inspect
0.1
B
Replace
2.4
36,38
AA
Oil Pump
Inspect
0.1
Service
0.2
Replace
1.0
23,36,38
AA
Engine Oil Filter
Inspect
0.1
B
Replace
0.5
29, 36, 38
AA
Secondary Fuel Filter
Inspect
0.1
B
Replace
0.5
29,38
B
AA
Valve Covers and Gasket
Inspect
0.1
B
Replace
1.0
36,38
AA
Suction Tube
Replace
0.2
36,38
AA
Oil Pan
Inspect
0.1
B
Replace
1.0
36,38
AA
Engine Mount
Replace
1.0
36,38
AB
Radiator Hose, Top
Inspect
0.1
0.1
B
Replace
0.5
29,36,38
AB
Engine Hose, Top
Inspect
0.1
0.1
B
Replace
0.5
29,36,38
AB
Air-Conditioning Condenser
Replace
0.5
38,39
Change 1
B-5
