TM 11-6625-1683-15
APPENDIX C
MAINTENANCE ALLOCATION
Section I. INTRODUCTION
ponent or assembly) for an unserviceable counter-
C-1. General
part.
This appendix provides a summary of the main-
i. Repair.
The application of maintenance
tenance operations for Test Facilities Kit MK-980/
services (inspect, test, service, adjust, align, cali-
PPS-5 and MK-980A/PPS-5. It authorizes cate-
b r a t e , replace) or other maintenance actions
gories of maintenance for specific maintenance
(welding, grinding, riveting, straightening, facing,
functions on repairable items and components and
remachining, or resurfacing) to restore service-
the tools and equipment required to perform each
ability to an item by correcting specific damage,
function. This appendix may be used as an aid in
fault, malfunction, or failure in a part, subassem-
planning maintenance operations.
bly, module (component or assembly), end item,
or system.
C-2. Maintenance Function
j. Overhaul That maintenance effort (service/
Maintenance functions will be limited to and de-
action) necessary to restore an item to a com-
fined as follows:
pletely serviceable/operational condition as pre-
a. Inspect. To determine the serviceability of an
scribed by maintenance standards (i.e., DMWR)
item by comparing its physical, mechanical, and/or
in appropriate technical publications. Overhaul is
electrical characteristics with established standards
normally the highest degree of maintenance per-
through examination.
formed by the Army. Overhaul does not normally
b. Test. To verify serviceability and to detect
return an item to like new condition.
incipient failure by measuring the mechanical or
k. Rebuild. Consists of those services/actions
electrical characteristics of an item and comparing
necessary for the restoration of unserviceable
those characteristics with prescribed standards.
equipment to a like new condition in accordance
c. Service. Operations required periodically to
with original manufacturing standards. Rebuild is
keep an item in proper operating condition, i.e., to
the highest degree of materiel maintenance applied
clean (decontaminate), to preserve, to drain, to
to Army equipment. The rebuild operation in-
paint, or to replenish fuel, lubricants, hydraulic
cludes the act of returning to zero those age
fluids, or compressed air supplies,
measurements (hours, miles, etc.) considered in
d. Adjust. To maintain, within prescribed limits,
classifying Army equipments/components.
by bringing into proper or exact position, or by
setting the operating characteristics to the specified
C-3. Column Entries.
parameters.
a. Column 1, Group Number. Column 1 lists
e. Align. To adjust specified variable elements
group numbers, the purpose of which is to identify
of an item to bring about optimum or desired per-
components, assemblies, subassemblies, and mod-
formance.
ules with the next higher assembly.
f. Calibrate.
To determine and cause cor-
b. Column 2, Component/Assembly. Column 2
rections to be made or to be adjusted on instru-
contains the noun names of components, assem-
ments or test measuring and diagnostic equipments
blies, subassemblies, and modules for which main-
used in precision measurement. Consists of com-
tenance is authorized.
parisons of two instruments, one of which is a
c. Column 3, Maintenance Functions. Column 3
certified standard of known accuracy, to detect
lists the functions to be performed on the item
and adjust any discrepancy in the accuracy of the
listed in column 2. When items are listed without
instrument being compared.
maintenance functions, it is solely for purpose of
g. Install. The act of emplacing, seating, or
having the group numbers in the MAC and RPSTL
fixing into position an item, part, module (com-
coincide.
ponent or assembly) in a manner to allow the
d. Column 4, Maintenance Category. Column 4
proper functioning of the equipment or system.
specifies, by the listing of a "worktime" figure in
h. Replace. The act of substituting a serviceable
the appropriate subcolumn(s), the lowest level of
like type part, subassembly, or module (com-
C-1
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