Appendix D. MAINTENANCE ALLOCATION - TM-11-5895-1097-120015

TM 11-5895-1097-12

APPENDIX D

MAINTENANCE ALLOCATION

Section I. INTRODUCTION

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

D-1. General

other maintenance actions (welding, grinding, riveting,

This appendix provides a summary of the maintenance

straightening, facing, remachining, or resurfacing) to

operations for TS-3630/GRA-114.

It authorizes

restore serviceability to an item by correcting specific

categories of maintenance for specific maintenance

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

functions on repairable items and components and the

subassembly, module (component or assembly), end

tools and equipment required to perform each function.

item, or system.

This appendix may be used as an aid in planning

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

maintenance operations.

tion) necessary to restore an item to a completely

serviceable/operational condition as prescribed by

D-2. Maintenance Function

maintenance standards (i.e., DMWR) in appropriate

Maintenance functions will be limited to and defined as

technical publications. Overhaul is normally the highest

follows:

degree of maintenance performed by the Army.

a. Inspect. To determine the serviceability of an

Overhaul does not normally return an item to like new

item by comparing its physical, mechanical, and/or

condition.

electrical characteristics with established standards

k. Rebuild. Consists of those services/actions

through examination.

necessary for the restoration of unserviceable equipment

b. Test. To verify serviceability and to detect

to a like new condition in accordance with original

incipient failure by measuring the mechanical or

manufacturing standards. Rebuild is the highest degree

electrical characteristics of an item and comparing those

of materiel maintenance applied to Army equipment. The

characteristics with prescribed standards.

rebuild operation includes the act of returning to zero

c. Service. Operations required periodically to keep

those age measurements (hours, miles, etc.) considered

an item in proper operating condition, i.e., to clean (de-

in classifying Army equipments/components.

contaminate), to preserve, to drain, to paint, or to

replenish fuel, lubricants, hydraulic fluids, or compressed

D-3. Column Entries

air supplies.

a. Column 1, Group Number. Column 1 lists group

d. Adjust. To maintain, within prescribed limits, by

numbers, the purpose of which is to identify components,

bringing into proper or exact position, or by setting the

assemblies, subassemblies, and modules with the next

operating characteristics to the specified parameters.

higher assembly.

e. Align. To adjust specified variable elements of an

b. Column 2, Component/Assembly. Column 2

item to bring about optimum or desired performance.

contains the noun names of components, assemblies,

f. Calibrate. To determine and cause corrections to

sub- assemblies, and modules for which maintenance is

be made or to be adjusted on instruments or test

authorized.

measuring and diagnostic equipments used in precision

c. Column 3, Maintenance Functions. Column 3

measurement.

Consists of comparisons of two

lists the functions to be performed on the item listed in

instruments, one of which is a certified standard of

column 2. When items are listed without maintenance

known accuracy, to detect and adjust any discrepancy in

functions, it is solely for purpose of having the group

the accuracy of the instrument being compared.

numbers in the MAC and RPSTL coincide.

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

d. Column 4, Maintenance Category. Column 4

into position an item, part, module (component or

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

assembly) in a manner to allow the proper functioning of

appropriate subcolumn(s), the lowest level of

the equipment or system.

maintenance authorized to perform the function listed in

h. Replace. The act of substituting a serviceable

column 3. This figure represents the active time require,

like type part, subassembly, or module (component or

to perform that maintenance function at the indicated

assembly) for an unserviceable counterpart.

category of maintenance. If the number or complexity of

i. Repair. The application of maintenance services

the tasks within the listed maintenance

D-1