TM 11-6625-2575-14
MAINTENANCE ALLOCATION
Section I. INTRODUCTION
grinding, riveting, straightening, facing, re-
C-1. General
machining, or resurfacing) to restore serv-
This appendix provides a summary of the mainte-
iceability to an item by correcting specific damage,
nance operations for AN/USM-203A. It authorizes
fault, malfunction, or failure in a part, subassem-
categories of maintenance for specific mainte-
bly, module (component or assembly), end item, or
nance functions on repairable items and compo-
system.
nents and the tools and equipment required to
j. Overhaul. That maintenance effort (service/
perform each function. This appendix may be used
action) necessary to restore an item to a completely
as an aid in planning maintenance operations.
serviceable/operational condition as prescribed by
maintenance standards (i.e., DMWR) in appropri-
C-2. Maintenance Function
ate technical publications. Overhaul is normally
Maintenance functions will be limited to and
the highest degree of maintenance performed by
defined as follows:
the Army. Overhaul does not normally return an
a. Inspect. To determine the serviceability of an
item by comparing its physical, mechanical, and/or item to like new condition.
k. Rebuild. Consists of those services/actions
electrical characteristics with established stand-
ards through examination.
equipment to a like new condition in accordance
b. Test. To verify serviceability and to detect
incipient failure by measuring the mechanical or with original manufacturing standards. Rebuild is
electrical characteristics of an item and comparing the highest degree of materiel maintenance
those characteristics with prescribed standards. applied to Army equipment. The rebuild operation
includes the act of returning to zero those age
c. Service. Operations required periodically to
keep an item in proper operating condition, i.e., to measurements (hours, miles, etc.) considered in
classifying Army equipments/components.
clean (decontaminate), to preserve, to drain, to
paint, or to replenish fuel, lubricants, hydraulic
C-3. Column Entries
fluids, or compressed air supplies.
d. Adjust. To maintain, within prescribed limits,
a. Column 1, Group Number. Column 1 lists
by bringing into proper or exact position, or by
group numbers, the purpose of which is to identify
setting the operating characteristics to the
components, assemblies, subassemblies, and mod-
specified parameters.
ules with the next higher assembly.
e. Align. To adjust specified variable elements of
b. Column 2, Component/Assembly. Column 2
an item to bring about optimum or desired
contains the noun names of components, as-
performance.
semblies, subassemblies, and modules for which
f. Calibrate. To determine and cause corrections maintenance is authorized.
to be made or to be adjusted on instruments or test
c. Column 3, Maintenance Functions. Column 3
measuring and diagnostic equipments used in
lists the functions to be performed on the item
precision measurement. Consists of comparisons of listed in column 2. When items are listed without
two instruments, one of which is a certified
maintenance functions, it is solely for purpose of
standard of known accuracy, to detect and adjust having the group numbers in the MAC and RPSTL
any discrepancy in the accuracy of the instrument coincide.
being compared.
d. Column 4, Maintenance Category. Column 4
g. Install. The act of emplacing, seating, or fixing specifies, by the listing of a "worktime" figure in
into position an item, part, module (component or the appropriate subcolumn(s), the lowest level of
assembly) in a manner to allow the proper
maintenance authorized to perform the function
functioning of the equipment or system.
listed in column 3. This figure represents the active
h. Replace. The act of substituting a serviceable time required to perform that maintenance func-
like type part, subassembly, or module (component tion at the indicated category of maintenance. If
or assembly) for an unserviceable counterpart.
the number or complexity of the tasks within the
i. Repair. The application of maintenance serv- listed maintenance function vary at different
ices (inspect, test, service, adjust, align, calibrate, maintenance categories, appropriate "worktime"
replace) or other maintenance actions (welding,
figures will be shown for each category. The