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 TM 9-1425-600-34-5-2
i. Repair. Those maintenance operations necessary to restore an item to serviceable condition through correction
of material damage or a specific failure. Repair may be accomplished at each category of maintenance.
j. Overhaul. Normally, the highest degree of maintenance performed by the Army in order to minimize time work
in process is consistent with quality and economy of operation. It consists of that maintenance necessary to restore an
item to completely serviceable condition as prescribed by maintenance standards in technical publications for each item
of equipment. Overhaul normally does not return an item to like new, zero mileage, or hour condition.
k. Rebuild. The highest degree of materiel maintenance. It consists of restoring equipment as nearly as possible
to new condition in accordance with original manufacturing standards. Rebuild is performed only when required by
operational considerations or other paramount factors and then only at the depot maintenance category. Rebuild reduces
to zero the hours of miles the equipment, or component thereof, has been in use.
l. Symbol. The uppercase letter placed in the appropriate column indicates the lowest level at which the particular
maintenance function is to be performed.
B-3. EXPLANATION OF FORMAT.
a. Column 1, Group Number. Column 1 lists group numbers, the purpose of which is to identify components,
assemblies, subassemblies, and modules with the next higher assembly.
b. Column 2, Functional Group. Column 2 lists the noun names of components, assemblies, sub-assemblies, and
modules of which maintenance is authorized.
c. Column 3, Maintenance Functions. (See MAC Chart.)
d. Column 4, Tools ,and Equipment. This column will be used to specify, by code, those tools and test equipment
required to perform the designated function.
e. Column 5, Remarks. Self-explanatory.
Section II. MAINTENANCE ALLOCATION CHART
MAINTENANCE ALLOCATION CHART
FOR
JACK, HYDRAULIC, TRIPODI 12-TON
(1)
(2)
(3)
(4)
(5)
G
Functional group
Maintenance functions
Tools and
Remarks
R
equipment
O
A
B
C
D
E
F
G
H
I
J
K
U
C
P
A
O
I
S
L
I
R
V
R
N
N
E
A
I
N
E
R
E
E
U
S
R
D
A
B
S
P
E
R
B
M
P
T
V
J
L
R
T
L
P
H
U
B
E
E
I
U
I
A
A
A
A
A
I
E
C
S
C
S
G
T
L
C
I
U
L
R
T
T
E
T
N
E
L
E
R
L
D
00
Jack, Hydraulic, Tripodi
0
0
0
0
Clean
12-ton
P-D-
01
Leg and Caster Assembly
0
0
0
0
380
Caster
0
Oil
Shaft, Caster
0
Mil-G
Spring
0
10924
02
Pump Assembly
0
0
0
0
Plunger
0
Body, Valve
0
Spring
0
Screen
0
03
Ram and Reservoir
0
0
Clean
(Assembly)
Fill
Ram
0
Mil-H
Reservoir Assembly
0
5606
16
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