Overhaul.

TM 10-3930-644-14&P

h. Replace. To remove unserviceable item and install a serviceable counterpart in its place. "Replace" is authorized

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

i. Repair. The application of maintenance services , including fault location/troubleshooting , 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/action) prescribed to restore an item to a completely

serviceable/operational condition as required 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 like new

condition in accordance with original manufacturing standards. Rebuild is the highest degree of materiel maintenance

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Services inspect, test, service, adjust, aline, calibrate, and/or replace.

Fault locate/troubleshoot. The process of investigating and detecting the cause of equipment malfunctioning; the act

of isolating a fault within a system or unit under test (UUT).

Disassemble/assemble encompasses the step-by-step taking apart (or breakdown) of 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

category of maintenance under consideration.

Actions welding, grinding, riveting, straightening, facing, remachinery, and/or resurfacing.