Explanation of Maintenance Functions

TM 9-4931-710-14&P

B - 3 . E X P L AN AT I O N O F M AI N TE N AN C E F U N C TI O N S - C O N TI N U E D

Overhaul. That maintenance effort (service/action) necessary to restore an item to a completely

serviceable/operational condition as prescribed by maintenance standards (i.e., DMWR) in

appropriate technical publications. Overhaul is normally the highest degree of maintenance

performed by the Army. Overhaul does not normally return an item to like new condition.

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 materiel 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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B-3