TM 11-6625-2632-14-1
MAINTENANCE
ALLOCATION
INTRODUCTION
Section I.
e. Align. To adjust specified variable elements
B-1. General
of an item to bring about optimum or desired
a. This appendix provides a summary of the
performance.
maintenance operations for the AN/PRM-32A. It
f. Calibrate. To determine and cause corrections
authorizes categories of maintenance for specific
to be made or to be adjusted on instruments or
maintenance functions on repairable items and
test measuring and diagnostic equipments used in
components and the tools and equipment required
precision measurement. Consists of comparisons of
to perform each function. This appendix may be
t w o instruments one of which is a certified
used as an aid in planning maintenance operations.
b. Maintenance o f a v i o n i c s e q u i p m e n t i s
standard of known accuracy, to detect and adjust
any discrepancy in the accuracy of the instrument
changing to three categories of maintenance. These
maintenance categories are Aviation Unit Main-
being compared.
g. Install. The act of emplacing, seating, or
t e n a n c e (AVUM); Aviation Intermediate Main-
fixing into position an item, part, module (com-
tenance (A VIM); and Depot Maintenance. AVUM
w i l l replace organizational maintenance, and
ponent or assembly) in a manner to allow the
A V I M will replace direct and general support
proper functioning of the equipment or system.
h. Replace. The act of substituting a serviceable
maintenance. In the interim, as maintenance units
are reorganized into three categories of main-
like type part, subassembly, or module (component
tenance activities, this publication will be used by
or assembly) for an unserviceable counterpart.
i . Repair. The application of maintenance
AVUM or organizational and AVIM or general
s e r v i c e s (inspect, test, service, adjust, align,
support maintenance personnel for the maintenance
calibrate, replace) or other maintenance actions
o f the avionics equipment. The maintenance
(welding, grinding, riveting, straightening,
allocation chart (MAC) can be adapted to the
three-category maintenance concept where the code
facing, remachining, or resurfacing) to restore
serviceablility to an item by correcting specific
O represents AVUM, the code F represents AVIM,
and D represents depot maintenance.
damage, fault, malfunction, or failure in a part,
subassembly, module (component or assembly),
B-2. Maintenance Function
end item, or system.
Maintenance functions will be limited to and
j . Overhaul. That maintenance effort (ser-
defined as follows:
vice/action) necessary to restore an item to a
a. Inspect. To determine the serviceability of an
completely serviceable/operational condition as
item by comparing its physical, mechanical, and/
prescribed by maintenance standards (i.e., DM-
o r electrical characteristics with established
WR) in appropriate technical publications.
standards through examination.
Overhaul is normally the highest degree of
b. Test. To verify serviceability and to detect
maintenance performed by the Army. Overhaul
incipient failure by measuring the mechanical or
does not normally return an item to like new
electrical characteristics of an item and comparing
condition.
those characteristics with prescribed standards.
k. Rebuild. Consists of those services/actions
c. Service. Operations required periodically to
necessary for the restoration of unserviceable
keep an item in proper operating condition, i.e., to
equipment to a like new conditon in accordance
clean (decontaminate), to preserve, to drain, to
with original manufacturing standards. Rebuild is
paint, or to replenish fuel, lubricants, hydraulic
the highest degree of materiel maintenance applied
fluids, or compressed air supplies.
to Army equipment. The rebuild operation includes
d . Adjust. To maintain, within prescribed
t h e a c t o f r e t u r n i n g to zero those age
limits, by bringing into proper or exact position, or
measurements (hours, miles, etc.) considered in
by setting the operating characteristics to the
classifying Army equipments/components.
specified parameters.
B-1
