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 ARMY
TM 9-6650-235-13&P
MARINE CORPS
TM-08552A-13&P
subassemblies, and modules with the next
B-2. MAINTENANCE FUNCTIONS (CONT).
higher assembly.
h. Replace. The act of substituting a serviceable
b. Column 2, Component/Assembly.
like type part, subassembly, or module
Column 2 contains the names of components,
(component or assembly) for an unserviceable
assemblies, subassemblies, and modules for which
counterpart.
maintenance is authorized.
i. Repair.
The application of maintenance
c. Column 3, Maintenance Function.
services2 or other maintenance actions3 to
Column 3 lists the functions to be performed on the item
restore serviceability to an item by correcting
listed in column 2. (For detailed explanation of these
specific damage, fault, malfunction, or failure in
functions, see paragraph B-2.)
a part, subassembly, module (component or
assembly), end item, or system.
d. Column 4, Maintenance Category.
Column 4 specifies, by the listing of a work time figure in
j. Overhaul.
That
maintenance
effort
the appropriate subcolumn(s) the category of
(service/action) necessary to restore an item to a
maintenance authorized to perform the function listed in
completely serviceable/ operational condition as
column 3. This figure represents the active time required
prescribed by maintenance standards in
to perform that maintenance function at the indicated
appropriate technical publications (i.e., DMWR).
category of maintenance. If the number or complexity of
Overhaul is normally the highest degree of
the tasks within the listed maintenance function vary at
maintenance performed by the Army. Overhaul
different maintenance categories, appropriate work time
does not normally return an item to like new
figures will be shown for each category. The work time
condition.
figure represents the average time required to restore an
item (assembly, subassembly, component, module, end
k. Rebuild.
Consists of those services/actions
item, or system) to a serviceable condition under typical
necessary for the restoration of unserviceable
field operating conditions. This time includes preparation
equipment to a like new condition in accordance
time, troubleshooting time, and quality assurance/quality
with original manufacturing standards. Rebuild
control time in addition to the time required to perform
is the highest degree of materiel maintenance
the specific tasks identified for the maintenance
applied to Army equipment.
The rebuild
functions authorized in the maintenance allocation chart.
operation includes the act of returning to zero
those age measurements (hours/miles, etc.)
---------
considered
in
classifying
Army
2
Services--inspect,
test,
service,
adjust,
aline,
equipments/components.
calibrate, or replace.
B-3.
EXPLANATION OF COLUMNS IN THE MAC,
3
Actions--welding, grinding, riveting, straightening,
facing, remachining, or resurfacing.
a. Column 1, Group Number. Column 1 lists
functional group code numbers, the purpose of
which is to identify components, assemblies,
B-2
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