TM 5-1260-206-12
I n s t a l l . T h e act of emplacing, s e a t i n g , o r f i x i n g i n t o p o s i -
g.
t i o n an item, part, or module (component or assembly) in a manner to
a l l o w the proper functioning of an equipment or system.
h . Replace. The act of substituting a serviceable like part,
subassembly, o r module (component or assembly) for an unserviceable
counterpart.
i . Repair.
The application of maintenance services or other
m a i n t e n a n c e actions to restore serviceability to an item by correcting
s p e c i f i c d a m a g e , f a u l t , m a l f u n c t i o n , o r failure in a part, subassembly,
m o d u l e (component or assembly), end item, or system.
Overhaul.
That maintenance effort (services/actions) neces-
j.
s a r y to restore an item to a completely serviceable/operational condi-
t i o n as prescribed by maintenance standards (i.e., DMWR) in appropriate
t e c h n i c a l p u b l i c a t i o n s . O v e r h a u l is normally the highest degree of
maintenance performed by the Army.
O v e r h a u l does not normally return an
item to like new condition.
k . Rebuild.
Consists of those services/actions necessary for the
r e s t o r a t i o n of unserviceable equipment to a like new condition in accor-
d a n c e with original manufacturing standards.
R e b u i l d is the highest de-
g r e e of materiel maintenance applied to Army Equipment.
T h e rebuild
o p e r a t i o n includes the act of returning to zero those age measurements
( h o u r s / m i l e s , e t c . ) considered in classifying Army equipments/compo-
nents.
B-3.
EXPLANATION OF COLUMNS IN THE MAC, SECTION II.
a . Column 1 - Group Number. C o l u m n 1 lists group numbers, the
purpose of which is to identify components, assemblies, subassemblies,
a n d modules with the next higher assembly.
b . Column 2 - Component/Assembly.
Column 2 contains the names of
c o m p o n e n t s , assemblies, subassemblies, and modules for which maintenance
is authorized.
c . Column 3 - M a i n t e n a n c e Functions.
C o l u m n 3 lists the func-
( F o r detailed
t i o n s to be performed on the item listed in column 2.
e x p l a n a t i o n of these functions, see para. B-2.)
d . Column 4 - M a i n t e n a n c e Category.
C o l u m n 4 specifies, by the
l i s t i n g of a "work time" f i g u r e in the appropriate subcolumn(s), the
category of maintenance authorized to perform the function listed in
column 3. This figure represents the active time required to perform
t h e maintenance function at the indicated category of maintenance. If
t h e number or complexity of the tasks within the listed maintenance
B-2
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