APPENDIX B MAINTENANCE ALLOCATION CHART

APPENDIX B

MAINTENANCE ALLOCATION CHART

Section I. INTRODUCTION

characteristics of an item and comparing those

B-1. GENERAL

characteristics with prescribed standards

a. This section provides a general explanation of all

C-Service: Operations required periodically to keep

maintenance and repair functions authorized at various

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

maintenance levels.

preserve, to drain, to paint, or to replenish fuel,

b. Section II designates overall responsibility for

lubricants, hydraulic fluids, or compressed air supplies.

performance of maintenance functions on the identified

D-Adjust: To maintain within prescribed limits, by

end item or component and the work measurement time

bringing into proper or exact position, or by setting the

required to perform the functions by the designated

operating characteristics to specified parameters.

maintenance level.

The implementation of the

E-Align. To adjust specified variable elements of an

maintenance functions upon the end item or component

item to bring about optimum or desired performance.

will be consistent with the assigned maintenance

F-Calibrate: To determine and cause corrections to

functions.

be made or to be adjusted on instruments or test

c. Section III lists the special tools and test

measuring and diagnostic equipment used in precision

equipment required for each maintenance function as

measurement.

Consists of comparisons of two

referenced from Section II. (Not Applicable).

instruments, one of which is certified standard of known

d. Section IV contains supplemental instructions or

accuracy, to detect and adjust any discrepancy of the

explanatory notes for a particular maintenance function.

instrument being compared.

(Not Applicable).

G-Install: The act of emplacing, seating, or fixing into

position an item, part or module (component or

B-2. EXPLANATIONS OF COLUMNS IN SECTION II.

assembly) in a manner to allow the proper functioning of

a. Column (1), Group Number. A number is

an equipment or system.

assigned to each group in a top down breakdown

H-Replace: The act of substituting a serviceable like

sequence. The applicable groups are listed with the first

type part, subassembly, or module (component or

group removed.

assembly for an unserviceable counterpart.

b. Column (2), Functional Group. This column

I-Repair: The application of maintenance services

contains a brief description of the components of each

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

numerical group.

or other maintenance actions (welding, grinding,

c. Column (3), Maintenance Functions. This

reveting,

straightening,

facing,

remachining

column lists the various maintenance functions (A

resurfacing) to restore serviceability to an item by

through K). The lowest maintenance level authorized to

correcting specific damage, fault, malfunction, or failure

perform these functions is indicated by a symbol in the

in a part, subassembly, module (component or

appropriate column. Work measurement time standards

assembly), end item, or system.

(the active repair time required to perform the

J-Overhaul: That maintenance effort (service/action)

maintenance function) are shown directly below the

necessary to restore an item to a completely

symbol identifying the maintenance level. The symbol

serviceable/operational condition as prescribed by

designation for the various maintenance levels are as

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

follows:

technical publication. Overhaul is normally the highest

C-Operator or crew

degree of maintenance performed by the Army.

O-Organization maintenance

Overhaul does not normally return an item to like new

F-Direct support maintenance

condition.

H-General support maintenance

K-Rebuild: Consists of those services/actions

D-Depot maintenance

necessary for the restoration of unserviceable equipment

The maintenance functions are defined as follows:

to a like new condition in accordance with

A-Inspect: To determine serviceability of an item by

comparing its physical, mechanical, and electrical

characteristics with established standards through

examination.

B-Test: To verify serviceability and detect incipient

failure by measuring the mechanical or electrical

B-1