To adjust specified variable elements of an item to
bring about optimum or desired performance.
To determine and cause corrections to be made or to
be adjusted on instruments or test measuring and diagnostic equipments used in
Consists of comparison of two instruments, one of
which is a certified standard of known accuracy, to detect and adjust any
discrepancy in the accuracy of the instrument being compared.
The act of emplacing, seating, or fixing into posi-
tion an item, part, or module (component or assembly) in a manner to allow the
proper functioning of an equipment or system.
The act of substituting a serviceable like type part,
subassembly, or module (component or assembly) for an unserviceable
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, subassembly, module
(component or assembly), end item, or system.
That maintenance effort (service/action) necessary
to restore an item to a completely serviceable/operational condition as pre-
scribed by maintenance standards (i.e., DMWR) in appropriate technical publi-
Overhaul is normally the highest degree of maintenance performed by
Overhaul does not normally return an item to a like new condition.
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.) con-
sidered in classifying Army equipments/components.
Column 4, Maintenance Category. This column is made up of
subcolumns for each category of maintenance.
Work time figures are listed in
these subcolumns 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.
Column 5, Tools and Equipment.
This column is provided for refer-
encing by code, the common tool sets (not individual tools), special tools,
test and support equipment required to perform the designated function.
EXPLANATION OF COLUMNS IN SECTION III
Column 1, Reference Code.
This column consists of an arabic number
listed in sequence from Column 5 or Section II. The number references the
common tool sets, special tools and test equipment requirements.