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
Maintenance
Group
Code
Component/Assembly
Function
C
O
F
H
D
Ref Code
Code
AN
Boom
Inspect
0.1
B
Service
0.1
B,D
Replace
3.0
23,36,38
D
AN
Dipper
Inspect
0.1
B
Service
0.1
B,D
Replace
3.0
23,36,38
D
AN
Backhoe Assembly
Inspect
0.1
B
Service
0.1
B
AN
Backhoe Bucket
Inspect
0.1
B
Service
0.1
B,D
Remove/Install 0.2
D
Replace
0.2
38
AN
Backhoe Tooth
Replace
0.1
D
AN
Bucket Cylinder
Inspect
0.1
B
Service
0.1
B,D
Replace
0.5
23,29,38
Repair
2.0
1.1,22.1,38
AN
Backhoe Valve Block
Inspect
0.1
B
Service
0.3
B,D
Test
0.7
40.1
J
Replace
1.7
23,29,38
Repair
3.0
23,38
AN
Backhoe Hydraulic Solenoid
Replace
0.5
38
D
Valve
AP
Spare Wheel Carrier
Inspect
0.1
B
Remove/Install 0.3
D
Replace
0.3
38
AP
Hitch Assembly
Replace
0.5
23,38
D
B-23
Change 1
