TM 11-5855-250-12&P
APPENDIX C
MAINTENANCE ALLOCATION
Section I. INTRODUCTION
(inspect, test, service, adjust, align, calibrate, replace) or
C-1. General.
other maintenance actions (welding, grinding, riveting,
This appendix provides a summary of the maintenance
straightening, facing, remachining, or resurfacing) to
operations for the AN/GSS-14(V)1, AN/GSS-14(V)2,
restore serviceability to an item by correcting specific
AN/VSS-1(V)1, and the AN/VSS-1(V)2. It authorizes
damage, fault, malfunction, or failure in a part,
categories of maintenance for specific maintenance
subassembly, module (component or assembly), end
functions on repairable items and components and the
item, or system. This function does not include the trial
tools and equipment required to perform each function.
and error replacement of running spare type items such
This appendix may be used as an aid in planning
as fuses, lamps, or electron tubes.
maintenance operations.
j. Overhaul. That maintenance effort (service/
action) necessary to restore an item to a completely
C-2. Maintenance Function.
serviceable/operational condition as prescribed by
Maintenance functions will be limited to and defined as
maintenance standards (i.e., DMWR) in appropriate
follows:
technical publications. Overhaul is normally the highest
a. Inspect. To determine the serviceability of an
degree of maintenance performed by the Army.
item by comparing its physical, mechanical, and/or
Overhaul does not normally return an item to like new
electrical characteristics with established standards
condition.
through examination.
k. Rebuild. Consists of those services/actions
b. Test. To verify serviceability and to detect
necessary for the restoration of unserviceable equipment
incipient failure by measuring the mechanical or
to a like new condition in accordance with original
electrical characteristics of an item and comparing those
manufacturing standards. Rebuild is the highest degree
characteristics with prescribed standards.
of materiel maintenance applied to Army equipment.
c. Service. Operations required periodically to
The rebuild operation includes the act of returning to zero
keep an item in proper operating condition, i.e., to clean
those age measurements (hours, miles, etc.) considered
(decontaminate), to preserve, to drain, to paint, or to
in classifying Army equipment/components.
replenish fuel, lubricants, hydraulic fluids, or compressed
air supplies.
C-3. Column Entries.
d. Adjust. To maintain, within prescribed limits, by
a. Column 1, Group Number. Column 1 lists group
bringing into proper or exact position, or by setting the
numbers, the purpose of which is to identify components,
operating characteristics to the specified parameters.
assemblies, subassemblies, and modules with the next
e. Align. To adjust specified variable elements of
higher assembly.
an item to bring about optimum or desired performance.
b. Column 2, Component/Assembly. Column 2
f. Calibrate. To determine and cause corrections
contains the noun names of components, assemblies,
to be made or to be adjusted on instruments or test
subassemblies, and modules for which maintenance is
measuring and diagnostic equipments used in precision
authorized.
measurement.
Consists of comparisons of two
c. Column 3, Maintenance Functions. Column 3
instruments, one of which is a certified standard of
lists the functions to be performed on the item listed in
known accuracy, to detect and adjust and discrepancy in
column 2. When items are listed without maintenance
the accuracy to the instrument being compared.
functions, it is solely for purpose of having the group
g. Install. The act of emplacing, seating, or fixing
numbers in the MAC and RPSTL coincide.
into position an item, part, module (component or
d. Column 4, Maintenance Category. Column 4
assembly) in a manner to allow the proper functioning of
specifies, by the listing of a "work time" figure in the
the equipment or system.
appropriate subcolumn(s), the lowest level of
h. Replace. The act of substituting a serviceable
maintenance authorized to perform the function listed in
like type part, subassembly, or module (component or
column 3. This figure represents the active time required
assembly) for an unserviceable counterpart.
to perform that maintenance function at the indicated
I. Repair. The application of maintenance services
C-1