h. Replace. The act of substituting a ser-
viceable like type part, subassembly, or module
(component or assembly) for an unserviceable
counterpart.
i. Repair. The application of maintenance
s e r v i c e (inspect, test, service, adiust, align,
calibrate, replace) or other maintenance actions
(welding, grinding, riveting, straightening, fac-
ing, remachining, or resurfacing) to restore ser-
v i c e a b i l i t y 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 (ser-
vice/action) necessary to restore an item to a
completely serviceable/operational condition as
p r e s c r i b e d by maintenance standards (i.e.,
DMWR) in appropriate technical publications.
O v e r h a u l 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/ac-
t i o n s necessary for the restoration of unser-
viceable equipment to a like new condition in ac-
cordance 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
z e r o those age measurements (hours, miles,
B-2
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