MAINTENANCE FUNCTIONS.

TM5-4120-383-14

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MAINTENANCE

FUNCTIONS.-Continued

d. A d j u s t .

To maintain, within prescribed limits, by bringing

into proper or exact position, or by setting the operating

characteristics to specified parameters.

e. Aline.

To adjust specified variable elements of an item to

bring about optimum or desired performance.

To determine and cause corrections to be made or

Calibrate.

to be adjusted on instruments or test, measuring, and diagnostic

equipments used in precision measurement. Consists of comparisons

of two instrumental one of which is a certified standard of known

accuracy, to detect and adjust any discrepancy in the accuracy of

the instrument being compared.

g. Remove/Install.

To remove and install the same item when

required to perform service or other maintenance functions.

Install may be the act of emplacing, seating, or fixing into

position a spare, repair part, or module (component or assembly) in

a manner to allow the proper functioning of an equipment or system.

h. Replace. To remove an unserviceable item and install a

"Replace" is authorized by

serviceable counterpart in its place.

the MAC and is shown as the 3d position code of the SMR code.

The application of maintenance services, including

Repair.

fault location/trouble-shooting , removal/installation, and

disassembly/assembly procedures, and maintenance actions to

identify troubles and restore serviceability to an item by

correcting specific damage, fault, malfunction, or failure in a

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

system.

j. Overhaul.

That maintenance effort (service/actions)

prescribed to restore an item to a completely serviceable/

operational condition as prescribed by maintenance standards in

appropriate technical publications (i.e., DMWR). Overhaul is

normally the highest degree of maintenance performed by the Army.

Overhaul does not normally return an item to like new condition.

k. Rebuild.

Consists of those services/actions necessary for

the restoration of unserviceable equipment to a like new condition

in accordance with original manufacturing standards.

Rebuild is

the highest degree of material maintenance applied to Army

equipment.

The rebuild operation includes the act of returning to

zero those age measurements (hours/miles, etc) considered in

classifying Army equipments/components.

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