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TM 11-5895-833-12/NAVELEX 0967-LP-550-1010/TO 31R5-2TSC54-91
APPENDIX C
MAINTENANCE ALLOCATION
Section I. INTRODUCTION
or other maintenance actions (welding, grinding, rivet-
C-1. General
ing, straightening, facing, remachining, or resurfacing) to
restore serviceability to an item by correcting specific
This appendix provides a summary of the maintenance
damage, fault, malfunction, or failure in a part,
operations for the Frequency Conversion Subsystem of
subassembly, module/component/assembly, end item or
the Satellite Communications Terminal AN/TSC-54. It
system.
authorizes categories  of  maintenance for  specific
j. Overhaul.  That  periodic  maintenance  effort
maintenance  functions  on  repairable  items  and
(service/action) necessary to restore an item to a
components and the tools and equipment required to
completely
serviceable/operational
condition
as
perform each function. This appendix may be used as an
prescribed by maintenance standards (e.g., DWR) in
aid in planning maintenance operations.
appropriate technical publications. Overhaul is normally
the highest degree of maintenance performed by the
C-2. Maintenance Function
Army. Overhaul does not normally return an item to like-
new condition.
Maintenance functions will be limited to and defined as
k. Rebuild. Consists of those services/actions neces-
follows:
sary for the restoration of unserviceable equipment to a
a. Inspect. To determine the serviceability of an item
like-new  condition  in  accordance  with  original
by comparing its physical, mechanical, and/or electrical
manufacturing standards. Rebuild is the highest degree
characteristics  with  established  standards  through
of materiel maintenance applied to Army equipment.
examination.
The rebuild operation includes the act of returning to zero
b. Test. To verify serviceability and to detect incipient
those age measurements (hours, miles, etc.) considered
failure by measuring the mechanical or electrical
in classifying Army equipment/components.
characteristics  of  an  item  and  comparing  those
characteristics with prescribed standards.
C-3. Column Entries
c. Service. Operations required periodically to keep an
item in proper operating condition, i.e., to clean,
a. Column 1, Group Number. Column 1 lists group
preserve,  drain,  paint,  or  to  replenish  fuel/lubri-
numbers, the purpose of which is to identify components,
cants/hydraulic fluids or compressed air supplies.
assemblies, subassemblies and modules with the next
d. Adjust. Maintain with prescribed limits by bringing
higher assembly.
into proper or exact position, or by setting the operating
b. Column  2,  Component/Assembly.  Column  2
characteristics to the specified parameters.
contains the noun names of components, assemblies,
e. Align. To adjust specified variable elements of an
subassemblies, and modules for which maintenance is
item to about optimum or desired performance.
authorized.
f. Calibrate. To determine and cause corrections to be
c. Column 3, Maintenance Functions. Column 3 lists
made or to be adjusted on instruments or test measuring
the functions to be performed on the item listed in
and
diagnostic
equipment
used
in
precision
column 2. Column 3 also specifies, by the listing of a
measurement. Consists of the comparison of two
"worktime" figure in the appropriate subcolumn(s), the
instruments, one of which is a certified standard of
lowest level of maintenance authorized to perform the
known accuracy, to detect and adjust any discrepancy in
function listed in column 3. This figure represents the
the accuracy of the instrument being compared.
active time required to perform that maintenance
g. Install. The act of emplacing, seating, or fixing into
function at the indicated category of maintenance. If the
position an item, part, module (component or as-sembly)
number or complexity of the tasks within the listed
in a manner to allow the proper functioning of the
maintenance function vary at different maintenance
equipment/system.
categories, appropriate "worktime" figures will be shown
h. Replace. The act of substituting a serviceable like-
for each category. The number of man-hours specified
type part, subassembly, model (component or as-
by the "worktime" figure represents the average time
sembly) for an unserviceable counterpart.
required to restore an item (assembly, subassembly,
i. Repair. The application of maintenance services
component,
(inspect, test, service, adjust, align, calibrate, replace)
C-1

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