(g) Align. To adjust two or more components of an electrical
system so that their functions are properly synchronized.
(h) Calibrate. To determine, check, or rectify the graduation of
an instrument, weapon, or weapons system, or components
of a weapons system.
(i) Overhaul. To restore an item to completely serviceable con-
dition as prescribed by serviceability standards developed
and published by heads of commodity commands. This is
accomplished through employment of the technique of
"Inspect and Repair Only as Necessary" (IROAN). Maxi-
mum utilization of diagnostic and test equipment is combined
with minimum disassembly of the item during the overhaul
(j) Rebuild. To restore an item to a standard as near as possible
to original or new condition in appearance, performance, and
life expectancy. This is accomplished through the mainte-
nance technique of complete disassembly of the item, inspec-
tion of all parts or components, repair or replacement of worn
or unserviceable elements using original manufacturing toler-
ances and/or specifications and subsequent reassembly of
(3) Operator, organization, direct support, general support and depot.
The symbol X indicates the categories responsible for perform-
ing that particular maintenance operation, but does not neces-
sarily indicate that repair parts will be stocked at that level.
Categories higher than those marked by X are authorized to
perform the indicated operation.
(4) Tools required. This column indicates codes assigned to each
individual tool equipment, test equipment, and maintenance
equipment referenced. The grouping of codes in this column
of the maintenance allocation chart indicates the tool, test, and
maintenance equipment required to perform the maintenance
(5) Remarks. Entries in this column will be utilized when necessary
to clarify any of the data cited in the preceding columns.
c. Columns in the allocation of tools for maintenance functions are
(1) Tools required for maintenance functions. This column lists
tools, test, and maintenance equipment required to perform
the maintenance functions.
(2) Operator, organizational, direct support, general support and
depot. The dagger (†) symbol indicates the categories normally
allocated the facility.
(3) Tool code. This column lists the tool code assigned.