TM 5-3805-248-23-2
MAINTENANCE ALLOCATION CHART (MAC) - CONTINUED
0338 00
Table 1. MAC for the 621B Scraper - Continued.
(4)
(1)
(2)
(3)
(5)
(6)
MAINTENANCE LEVEL
FIELD
SUSTAINMENT
TOOLS AND
DS
UNIT
GS
DEPOT
EQUIPMENT REMARKS
GROUP
COMPONENT/
MAINTENANCE
NUMBER
ASSEMBLY
FUNCTION
REF CODE
CODE
C
O
F
H
D
03
FUEL SYSTEM -
Continued
0306
Tanks, Lines, Fittings:
0.1
Tank, Fuel
Inspect
0.3
Service
0.3
101,113
Service
9.8
101,113
Replace
Lines, Fuel
Inspect
0.2
Replace
0.7
101,113
0308
Engine Speed Governor
and Controls
Assembly:
Governor Controls
Adjust
0.5
113
Replace
0.7
113
Air-Fuel Ratio
Replace
0.3
104,113
Control
Repair
1.0
104,113,105,
112
Automatic Timing
Replace
0.6
66,67,113
Advance Unit
Governor and Fuel
Replace
1.3
113
Pump Drive
Repair
0.5
0309
Fuel Filters:
Secondary Filter
Replace
0.2
Primary Filter
Service
0.1
Replace
0.2
Fuel Filter Base
Inspect
0.2
Replace
0.5
101,113
0311
Engine Starting Aids:
Ether Start
Service
0.1
Group
Replace
0.2
101,113
Fuel Priming Pump
Test
0.1
Replace
0.3
101,113
04
EXHAUST SYSTEM
0401
Muffler and Pipes
Inspect
0.1
Replace
0.3
113
0338 00-4
