24
TM 5-2420-231-23-3
FIELD MAINTENANCE
-
MAINTENANCE ALLOCATION CHART (MAC)
03
74
Table 1. Maintenance Allocation Chart (MAC) for Backhoe Loader (BHL).
0374
(1)
(2)
(3)
(4)
(5)
(6)
Maintenance Level
Field
Sustainment
Tools and
C
F
H
D
Equipment
Group
Component/
Maintenance
Below
Reference
Remarks
Number
Assembly
Function
Crew
Maintainer
Depot
Depot
Code
Code
ENGINE
01
000374
0101
Engine Coolant
Service
1.3
53
Engine Oil
Test
0.5
10,13,52,
Pressure
53
Engine
Replace
20.0
3,34,37,53
Coolant Pack
Repair
11.3
36,48,52,
53
Upper Radiator Replace
1.5
53
Hose
Engine Cooling Replace
1.0
53
Fan and
Adapter
Drive Belt
Replace
0.4
53
0102
Coolant
Replace
2.3
53
Reservoir and
Mounts
Coolant
Replace
2.3
53
Reservoir
Tubes and
Hoses
Lower Radiator Replace
12.3
53
and Suction
Hose
0104
Air Cleaner
Replace
2.4
53
Barrier Curtain
0105
Air Cleaner
Replace
0.7
53
Assembly, Air
Pressure
Switch, and
Hoses
Air Cleaner,
Replace
0.2
53
Primary and
Secondary
Elements
