TM 9-6150-226-13
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
counterpart in its place.
“Replace”
is authorized by the MAC and is shown as
the 3rd position code of the SMR code.
i. Repair. The application of maintenance services, including fault
location/troubleshooting,
removal/installation,
and
disassembly/assembly
procedures,
and
maintenance
actions to
identify
troubles
and
restore
serviceability to an item by correcting specific damage, fault, malfunction, or
failure in a part,
subassembly, module (component or assembly), end item, or
system.
j.
Overhaul.
That maintenance effort (services/actions) prescribed to
restor an 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 return an item to like new condition.
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.
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 Functions.
Column 3 lists the functions to be
performed on the item listed in column 2.
(For detailed explanation of these
functions, refer to paragraph B-2.)
d.
Column 4, Maintenance Level.
Column 4 specifies, by the listings of
a work time figure in the appropriate subcolumn(s), the lowest level of
maintenance authorized to perform the function listed in column 3. This figure
represents the active time required to perform the maintenance function at the
indicated level of maintenance.
If the number or complexity of the tasks
within the listed maintenance function varies at different maintenance levels,
appropriate work time figures will be shown for each level.
The work time
figure represents the average time required to restore an item (assembly,
subassembly, component, module, end item, or system) to a serviceable condition
under typical field operating conditions.
This time includes preparation time
(including any necessary disassembly/assembly time), troubleshooting/fault
location time,
and quality assurance/quality control time in addition to the
time required to perform the specific tasks identified for the maintenance
functions
authorized in the maintenance allocation chart.
The
symbol
designations for the various maintenance levels are as follows:
B-2
