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TM 11-6625-409-12
APPENDIX C
MAINTENANCE ALLOCATION.
Section I. INTRODUCTION
i.  Repair. The application of maintenance services
C-1.
General
(inspect, test, service, adjust, align, calibrate, replace) or
This appendix provides a summary of the maintenance
other maintenance actions (welding, grinding, riveting,
operations  for  the  AN/ARM-45(*).
It  authorizes
straightening, facing, remachining, or resurfacing) to
categories of maintenance for specific maintenance
restore serviceability to an item by correcting specific
functions on reparable items and components and the
damage, fault, malfunction, or failure in a part,
tools and equipment required to perform each function.
subassembly, module/component/assembly, end item or
This appendix may be used as an aid in planning
system. This function does not include the trial and error
maintenance operations.
replacement of running spare type items such as fuses,
lamps, or electron tubes.
C-2.
Maintenance Function
j.  Overhaul.   That periodic maintenance effort
Maintenance functions will be limited to and defined as
(service/action) necessary to restore an item to a
follows:
completely
serviceable/operational
condition
as
prescribed by maintenance standards (e.g., DWR) in
a. Inspect. To determine the serviceability of an
appropriate technical publications. Overhaul is normally
item by comparing its physical, mechanical, and/or
the highest degree of maintenance performed by the
electrical characteristics with established standards
Army. Overhaul does not normally return an item to like-
through examination.
new condition.
b. Test.  To verify serviceability and to detect
k.  Rebuild.  Consists of those services/actions
incipient failure by measuring the mechanical or
necessary for the restoration of unserviceable equipment
electrical characteristics of an item and comparing those
to a like-new condition in accordance with original
characteristics with prescribed standards.
manufacturing standards. Rebuild is the highest degree
c.  Service.  Operations required periodically to
of material maintenance applied to Army equipment.
keep an item in proper operating condition, i.e., to clean,
The rebuild operation includes the act of returning to zero
preserve,'
drain,
paint,
or
to
replenish
those age measurements (hours, miles, etc.) considered
fuel/lubricants/hydraulic  fluids  or  compressed  air
in classifying Army equipment/components.
supplies.
d. Adjust.  Maintain within prescribed limits by
C-3.
Column Entries
bringing into proper or exact position, or by setting the
operating characteristics to the specified parameters.
a. Column 1, Group Number. Column 1 lists group
e. Align. To adjust specified variable elements of
numbers, the purpose of which is to identify components,
an item to about optimum or desired performance.
assemblies, subassemblies and modules with the next
f.  Calibrate. To determine and cause corrections
higher assembly.
to be made or to be adjusted on instruments or test
b. Column 2, Component/Assembly.  Column 2
measuring and diagnostic equipment used in precision
contains the noun names of components, assemblies,
measurement.  Consists of the comparison of two
subassemblies, and modules for which maintenance is
instruments, one of which is a certified standard of
authorized.
known accuracy, to detect and adjust any discrepancy in
c.  Column 3, Maintenance Functions.  Column 3
the accuracy of the instrument being compared.
lists the functions to be performed on the item listed in
g. Install. The act of emplacing, seating, or fixing
column 2. When items are listed without maintenance
into position an item, part, module (component or
functions, it is solely for purpose of having the group
assembly) in a manner to allow the proper functioning of
numbers in the MAC and RPSTL coincide.
the equipment/system.
d. Column 4, Maintenance Category.  Column 4
h. Replace. The act of substituting a serviceable
specifies, by the listing of a "worktime" figure in the
like-type part, subassembly, model (component or
assembly) for an unserviceable counterpart.
C-1

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