APPENDIX C MAINTENANCE ALLOCATION - TM-11-5895-833-120048

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

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

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