TM 5-6675-318-14
g .
Remove/ Install.
To remove and install the same item when required to perform
service or other maintenance functions .
Install may be the act of emplacing,
seating, or fixing into position a spare, repair part, or module (component or
assembly) in a manner to allow the proper functioning of an equipment or system.
h.
Replace.
To remove an unserviceable item and install a serviceable
c o u n t e r p a r t i n i t s p l a c e.
“Replace” is authorized by the MAC and is shown as the 3d
position code of the SMR code.
i . R e p a i r .
T h e a p p l i c a t i o n o f m a i n t e n a n c e s e r v i c es1, including fault location/-
t r o u b l e s h o o t i n g2, r e m o v a l / i n s t a l l a t i o n,
and disassembly/assembly3 procedures, and
m a i n t e n a n c e a c t i o n s4 to identify troubles and restore serviceability to an item by
c o r r e c t i n g 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 , or failure in a part, subassembly,
module (component or assembly), end item or system.
j .
Overhaul.
That maintenance effort (service/action) prescribed to restore a n
item to a completely serviceable/operational condition as required by maintenance
standards in appropriate technical publications (i.e., DMWR). Overhaul is normally
the highest degree of maintenance performed by the Army. Overhaul does not normally
r e t u r n - a n i t e m - t o l i k e n e w c o n d i t i o n .
k.
Rebuild .
Consists of those services/actions necessary for the restoration
unserviceable equipment to a like new condition in accordance with original manu-
f a c t u r i n g s t a n d a r d s .
Rebuild is the highest degree of material maintenance
applied to Army equipment.
The rebuild operation includes the act of returning
to zero those age measurements (hours/miles, etc.) considered in classifying Army
equipment/components.
B-3.
EXPLANATION OF COLUMNS IN THE MAC, SECTION II.
a.
Column 1, Group Number.
Column 1 lists functional group code numbers, the
purpose of which is to identify maintenance significant components, assemblies,
subassemblies and modules with the next higher assembly. End item group number
s h a l l b e “ 0 0 .”
b. Column 2, Component/Assembly.
Column 2 contains the names of components,
assemblies, subassemblies, and modules for which maintenance is authorized.
c. Column 3, Maintenance Function.
Column 3 lists the functions to be
performed on the item listed in Column 2.
(For detailed explanation of these
functions, see paragraph B-2.)
o f
1S e r v i c e s - I n s p e c t , t e s t , s e r v i c e , a d j u s t , a l i n e , c a l i b r a t e a n d / o r r e p l a c e .
‘ F a u l t l o c a t e / t r o u b l e s h o o t - The process of investigating and detecting the cause
of equipment malfunctioning; the act of isolating a fault within a system or unit
under test (UUT).
3Disassemble/assemble -
Encompasses the step-by-step taking apart (or breakdown)
of a spare/functional group coded item to the level of its least componency identi-
fied as maintenance significant (i.e., assigned an SMR code) for the category of
maintenance under consideration.
4A c t i o n s - W e l d i n g , g r i n d i n g , r i v e t i n g , s t r a i g h t e n i n g , f a c i n g , r e m a c h i n i n g a n d / or
resurfacing.
B-2
