SERVICE. To clean, to preserve, to change, to paint, and to add fuel, lubricants, cooling agents, and air.
ADJUST. To rectify to the extent necessary to bring into proper operating range.
ALIGN. To adjust specified variable elements of an item to bring to optimum performance.
CALIBRATE. To determine the corrections to be made in the readings of instruments or test equipment
used in precise measurement. Consists of the comparisons 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 with the certified standard.
INSTALL. To set up for use in an operational environment such as an emplacement, site, or vehicle.
REPLACE. To replace unserviceable items with serviceable assemblies, subassemblies, or parts.
REPAIR. To restore an item to serviceable condition. This includes, but is not limited to, inspection,
cleaning, preserving, adjusting, replacing, welding, riveting, and strengthening.
OVERHAIL. To restore an item to a completely serviceable condition as prescribed by maintenance
serviceability standards using the Inspect and Repair Only as necessary (IROAN) technique.
REBUILD. To restore an item to a standard as nearly as possible to originator new condition in
appearance, performance, and, life expectancy. This is accomplished through complete disassembly of
the item, inspection of all parts or components, repair or replacement of worn or unserviceable elements
(items) using original manufacturing tolerances and specifications, and subsequent reassembly of the
d. Tools and Equipment. Column 4. This column is provided for referencing by code the special tools and test
equipment, (Section Ii1) required to perform the maintenance functions (Section II).
e. Remarks, Column 5. This column is provided for referencing by code the remark's (Section IV) pertinent to
the maintenance functions.