SECTION I. INTRODUCTION
h Replace. The act of substituting a serviceable
like type part, subassembly, or module (component or
This appendix provides a summary of the maintenance
assembly) for an unserviceable counterpart.
operations for AN/FRC 93. It authorizes categories
i. Repair. The application of maintenance services
of maintenance for specific maintenance functions on
(inspect, test, service, adjust, align, calibrate, replace)
repairable items and components and the tools and
or other maintenance actions (welding, grinding,
equipment required to perform each function. This
riveting, straightening, facing, remachining, or
appendix may be used as an aid in planning
resurfacing) to restore serviceability to an item by
correcting specific damage, fault, malfunction, or
C-2. Maintenance Function.
failure in a part, subassembly, module (component or
Maintenance functions will be limited to and defined
assembly), end item, or system.
a. Inspect. To determine the serviceability of an
(service/action) necessary to restore an item to a
item by comparing its physical, mechanical, and/or
completely serviceable/operational condition as
electrical characteristics with established standards
prescribed by maintenance standards (i.e., DM. WR)
in appropriate technical publications. Overhaul is
b. Test. To verify serviceability and to detect
normally the highest degree of maintenance performed
incipient failure by measuring the mechanical or
by the Army. Overhaul does not normally return an
electrical characteristics of an item and comparing
item to like new 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 condition in accordance with
clean (decontaminate), to preserve, to drain, to paint,
original manufacturing standards. Rebuild is the
or to replenish fuel, lubricants, hydraulic fluids, or
highest degree of material maintenance applied to
compressed air supplies.
Army equipment. The rebuild operation includes the
d. Adjust. To maintain, within prescribed limits,
act of returning to zero those age measurements
by bringing into proper or exact position, or by setting
(hours, miles, etc.) considered in classifying Army
the operating characteristics to the specified
C-3. Column Entries.
e. Align. To adjust specified variable elements of
a. Column 1, Group Number. Column l lists
an item to bring about optimum or desired
group numbers, the purpose of which is to identify
components, assemblies, subassemblies, and modules
f. Calibrate. To determine and cause corrections
with the next 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 comparisons of two
subassemblies, and modules for which maintenance is
instruments, one of which is a certified standard of
know accuracy, to detect and adjust any discrepancy
c. Column 3, Maintenance Functions. Column 3
in 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
numbers in the MAC and RPSTL coincide.
of the equipment or system.
d. Column 4, Maintenance Category. Column 4
specifies, by the listing of a "work time" figure in the