TM-9-2520-238-34P
M113A1 FOV, M113A2 FOV, M548 AND M548A1
DIRECT SUPPORT, AND GENERAL SUPPORT MAINTENANCE REPAIR PARTS AND SPECIAL TOOLS LIST (INCLUDING DEPOT MAINTENANCE REPAIR PARTS AND SPECIAL TOOLS LIST); RIGHT ANGLE DRIVE, COOLING FAN; GEARCASE, TRANSFER; DRIVE ASSEMBLY, FINAL; DIFFERENTIAL, STEERING CONTROL; BRAKE, SINGLE DISK; CYLINDER ASSEMBLY, HYDRAULIC BRAKE
TM-9-2520-238-34P - Page 8 of 80
SECTION I
TM 9-2520-238-34P
4
(a) The maintenance code entered in the
third
position tells you the lowest maintenance level
authorized to remove, replace, and use an item. The maintenance code entered in the third
position will indicate authorization to one of the following levels of maintenance:
Code
Application/Explanation
C
Crew or operator maintenance done within unit maintenance.
O
Unit maintenance level can remove, replace, and use the item.
F
Direct support level can remove, replace, and use the item.
H
General support level can remove, replace, and use the item.
L
Specialized repair activity can remove, replace, and use the item.
D
Depot level can remove, replace, and use the item.
(b) The maintenance code entered in the
fourth
position tells whether or not the item is to be repaired
and identifies the lowest maintenance level with the capability to do complete repair (i.e., perform
all authorized repair function). (NOTE: Some limited repair may be done on the item at a lower
level of maintenance, if authorized by the Maintenance Allocation Chart (MAC) and SMR codes.)
This position will contain one of the following maintenance codes:
Code
Application/Explanation
O
Unit maintenance is the lowest level that can do complete repair of the
item.
F
Direct support is the lowest level that can do complete repair of the item.
H
General support is the lowest level that can do complete repair of the
item.
L
Specialized Repair Activity (SRA) is the lowest level that can do complete
repair of the item.
D
Depot is the lowest level that can do complete repair of the item.
Z
Nonreparable. No repair is authorized.
B
No repair is authorized. (No parts or special tools are authorized for the
maintenance of a "B"coded item.) However, the item may be reconditioned
by adjusting, lubricating, etc. at the user level.
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