i.
Repair. The application of maintenance services1, including fault
location/troubleshooting2, removal/installation, and disassembly/as-
sembly3 procedures,
and maintenance actions4 to identify troubles and
restore serviceability to an item by correcting specific damage,
fault, malfunction, or failure in a part, subassembly, module (com-
ponent or assembly), end item or system.
j.
Overhaul.
That maintenance effort (service/action) prescribed to
restore an item to a completely serviceable/operational condition as
required by maintenance standards in appropriate technical publica-
tions (i.e., DMWR).
Overhaul is normally the highest degree of main-
tenance 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 resto-
ration of unserviceable equipment to a like new condition in accor-
dance with original manufacturing standards. Rebuild is the highest
degree of materiel maintenance applied to Army equipment. The re-
build operation includes the act of returning to zero those age mea-
surements (hours/miles. etc.) considered in classifying Army equip-
ment/components.
1Services - inspect, test, service, adjust, aline, calibrate, and/or replace.
2Fault locate/troubleshooting - The process of investigating and detecting
the cause of equipment malfunctioning; the act of isolating a fault within a sys-
tem or unit under test (UUT).
3Disassemble/assemble - encompasses the step-by-step taking apart (or break-
down) or a spare/functional group coded item to the level of its least componency
identified as maintenance significant (i.e., assigned an SMR code) for the catego-
ry of maintenance under consideration.
4Actions - welding, grinding, riveting, straightening, facing, remachinery,
and/or resurfacing.
B-3
