TM 5-6675-323-14
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 . R e p l a c e . T o remove an unserviceable item and install a serviceable
" R e p l a c e " is authorized by the MAC and is shown as the 3d
counterpart in its place.
p o s i t i o n code of the SMR code.
i . Repair. The application of maintenance services, including fault location/-
troubleshooting, removal/installation, and disassembly/assembly3 procedures, and
maintenance actions4 to identify troubles and restore serviceability to an item by
correcting specific damage, fault, malfunction, or failure in a part, subassembly,
m o d u l e (component or assembly), end item or system.
j . Overhaul.
That maintenance effort (service/action) prescribed to restore an
item to a completely serviceable/operational condition as required by maintenance
standards in appropriate technical publications (i.e., DMWR). Overhaul is normally
t h e highest degree of maintenance performed by the Army. Overhaul does not normally
return an item to like new condition.
Consists of those services/actions necessary for the restoration of
k. Rebuild.
u n s e r v i c e a b l e equipment to a like new condition in accordance with original manu-
facturing standards. Rebuild is the highest degree of material maintenance
a p p l i e d to Army equipment. T h e r e b u i l d o p e r a t i o n i n c l u d e s t h e a c t o f r e t u r n i n g
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.
C o l u m n 1 lists functional group code numbers, the
purpose of which is to identify maintenance significant components, assemblies,
s u b a s s e m b l i e s and modules with the next higher assembly. End item group number
shall be "00."
b . Column 2, Component/Assembly. C o l u m n 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
p e r f o r m e d on the item listed in Column 2.
(For detailed explanation of these
functions, see paragraph B-2.)
Service - Inspect, test, service, adjust, aline, calibrate and/or replace.
Fault locate/troubleshoot - 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).
Disassemble/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.
4
Welding, grinding, riveting, straightening, facing, remachining and/or
resurfacing.
B-2
