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Table 1. MAC for the 621B Scraper-continued - TM-5-3805-248-23-11317
Table 1. MAC for the 621B Scraper-continued - TM-5-3805-248-23-11319

TM-5-3805-248-23-1 Scraper Earth Moving Motorized Diesel Engine Driven Model 621B Manual
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TM 5-3805-248-23-1
MAINTENANCE ALLOCATION CHART (MAC) - CONTINUED
0338 00
Table 1. MAC for the 621B Scraper - Continued.
(4)
(5)
(6)
(1)
(2)
(3)
MAINTENANCE LEVEL
FIELD
SUSTAINMENT
TOOLS AND
DS
UNIT
GS
DEPOT
EQUIPMENT REMARKS
COMPONENT/
MAINTENANCE
GROUP
REF CODE
CODE
NUMBER
ASSEMBLY
FUNCTION
C
O
F
H
D
11
REAR AXLE
1100
Rear Axle Assembly:
Axle Housing
Replace
1.1
113
12
BRAKES
1201
Hand Brakes, Valve,
Inspect
1.0
Park and Emergency:
Replace
0.2
113
Hose and Fittings
Inspect
1.0
Replace
0.2
113
1202
Service Brakes Shoe
Replace
0.8
104,113
Assembly:
Brake, Camshafts and Adjust
0.2
113
Slack Adjusters
Replace
1.2
113
113
Repair
1.8
1208
Air Brake System,
Replace
2.1
101,113
Brake Actuator:
0.2
Air Tanks
Inspect
Service
0.2
2.2
101,113
Replace
Brake Control Valve
Replace
0.5
113
Repair
0.5
113
Tractor and Scraper
Replace
1.1
113
Relay Valves
Repair
2.0
113
Quick-Release Valve Replace
1.4
113
Double Check Valve
Inspect
0.1
113
Replace
1.1
113
Air Dryer
Replace
0.4
113
Repair
2.0
113
1209
Air Compressor
Assembly:
Air Compressor
Inspect
0.1
Service
0.2
Replace
1.0
101,113
Repair
3.0
101,113
0338 00-10






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