APPENDIX C MAINTENANCE ALLOCATION - TM-11-6665-245-120029

APPENDIX C

MAINTENANCE ALLOCATION

Section I. INTRODUCTION

assembly, module (component or assembly), end item,

C-1. General.

or system.

This appendix provides a summary of the maintenance

j. Overhaul. That maintenance effort (service/ac-

operations for AN/PDR-56F. It authorizes categories

tion) necessary to restore an item to a completely ser-

of maintenance for specific maintenance functions on

viceable/operational condition as prescribed by mainte-

repairable items and components and the tools and

nance standards (i.e., DMWR) in appropriate technical

equipment required to perform each function. This ap-

publications. Overhaul is normally the highest degree

pendix may be used as an aid in planning maintenance

of maintenance performed by the Army. Overhaul does

operations.

not normally return an item to like new condition.

C-2. Maintenance Function.

k. Rebuild. Consists of those services/actions

necessary for the restoration of unserviceable equip-

Maintenance functions will be limited to and defined as

ment to a like new condition in accordance with original

follows:

manufacturing standards. Rebuild is the highest degree

a. Inspect. To determine the serviceability of an

of materiel maintenance applied to Army equipment.

item by comparing its physical, mechanical, and/or

The rebuild operation includes the act of returning to

electrical characteristics with established standards

zero those age measurements (hours, miles, etc.) con-

through examination.

sidered in classifying Army equipments/components,

b. Test. To verify serviceability and to detect inci-

pient failure by measuring the mechanical or electrical

C-3. Column Entries.

characteristics of an item and comparing those charac-

a. Column 1, Group Number. Column 1 lists

teristics with prescribed standards.

group numbers, the purpose of which is to identify com-

c. Service. Operations required periodically to

ponents, assemblies, subassemblies, and modules with

keep an item in proper operating condition, i.e., to

the next higher assembly.

clean (decontaminate), to preserve, to drain, to paint, or

b. Column 2, Component/Assembly. Column 2

to replenish fuel, lubricants, hydraulic fluids, or com-

contains the noun names of components, assemblies,

pressed air supplies.

subassemblies, and modules for which maintenance is

d. Adjust. To maintain, within prescribed limits,

authorized.

by bringing into proper or exact position, or by setting

c. Column 3, Maintenance Functions. Column 3

the operating characteristics to the specified parameters.

lists the functions to be performed on the item listed in

e. Align. To adjust specified variable elements of an

item to bring about optimum or desired performance.

column 2. When items are listed without maintenance

functions, it is solely for purpose of having the group

f. Calibrate. To determine and cause corrections to

be made or to be adjusted on instruments or test

numbers in the MAC and RPSTL coincide.

measuring and diagnostic equipments used in precision

d. Column 4, Maintenance Category. Column 4

measurement. Consists of comparisons of two in-

specifies, by the listing of a "work time" figure in the

struments, one of which is a certified standard of known

appropriate subcolumn(s), the lowest level of

accuracy, to detect and adjust any discrepancy in the ac-

maintenance authorized to perform the function listed

curacy of the instrument being compared.

in column 3. This figure represents the active time re-

g. Install. The act of emplacing, seating, or fixing

quired to perform that maintenance function at the in-

into position an item, part, module (component or

dicated category of maintenance. If the number or com-

assembly) in a manner to allow the proper functioning

plexity of the tasks within the listed maintenance func-

of the equipment or system.

tion vary at different maintenance categories, ap-

h. Replace. The act of substituting a serviceable like

propriate "work time" figures will be shown for each

type part, subassembly, or module (component or as-

category, The number of task-hours specified by the

sembly) for an unserviceable counterpart.

"work time" figure represents the average time required

i. Repair. The application of maintenance services

to restore an item (assembly, subassembly, component,

(inspect, test, service, adjust, align, calibrate, replace) or

module, end item or system) to a serviceable condition

other maintenance actions (weilding, grinding, riveting,

under typical field operating conditions. This time in-

straightening, facing, remachining, or resurfacing) to

cludes preparation time, troubleshooting time, and

restore serviceability to an item by correcting specific

quality assurance/quality control time in addition to the

damage, fault, malfunction, or failure in a part, sub-

time required to perform the specific tasks identified for

C-1