(7) Install. The act of emplacing, seating or fixing into position an item, part or module (component
or assembly) in a manner to allow the proper functioning of an equipment or system.
(8) Replace. The act of substituting a serviceable like type part, subassembly or module (component
or assembly) for an unserviceable counterpart.
(9) Repair. The application of maintenance services (inspect, test, service, adjust, align, calibrate or
replace) or other maintenance actions (welding, grinding, riveting, straightening, facing, remachining or
resurfacing) to restore serviceability to an item by correcting specific damage, fault, malfunction, or failure
in a part, sub-assembly, module (component or assembly), end item, or system.
10) Overhaul. That maintenance effort (service/action) necessary to restore an item to a completely
serviceable/operational condition as prescribed by maintenance standards in appropriate technical manuals.
Overhaul is normally the highest degree of maintenance performed by the Army. Overhaul does not
normally return an item to a like new condition.
(11) Rebuild. Consists of those services/actions necessary for the restoration of unserviceable equip-
ment 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/
d. Column (4), Maintenance Level. This column is made up of sub-columns for each category of
maintenance. Work time figures are listed in these sub-columns for the lowest level of maintenance
authorized to perform the function listed in column 3. These figures indicate the average active time
required to perform the maintenance function at the indicated category of maintenance under typical
field operating conditions.
e. Column (5), Tools and Equipment. This column is provided for referencing by code, the common
tool sets (not individual tools) special tools, test and support equipment required to perform the desig-
nated functions (Not Applicable).
f. Column 6, Remarks. Column 6 contains a numerical code which shall be keyed to the remarks
contained in Section IV.