Section I INTRODUCTION (Continued)
Maintenance functions. Maintenance functions will be limited to and defined as follows:
Inspect. To determine the serviceability of any item by comparing its physical, mechanical and/or electrical
characteristics with established standards through examination.
Test. To verify serviceability and detect incipient failure by measuring the mechanical or electrical
characteristics of an item and comparing those characteristics with prescribed standards.
Service. Operations required periodically to keep an item in proper operating condition; i. e. to clean
(decontaminate), to preserve, to drain, to paint, or to replenish fuel, lubricants, hydraulic fluids, or compressed air
Adjust. To maintain, within prescribed limits, by bringing into proper or exact position, or by setting the
operating characteristics to specified parameters.
Align. To adjust specified variable elements of an item to bring about optimum or desired performance.
Calibrate. To determine and cause corrections to be made or to be adjusted on instruments or test,
measuring and diagnostic equipment used in precision measurement. Consists of 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
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.
Replace. The act of substituting a serviceable like type part, subassembly or module (component or
assembly) for an unserviceable counterpart.
Repair. The application of maintenance services or other maintenance actions to restore serviceability to an
item by correcting specific damage, fault, malfunctions, or failure in a part, subassembly, module (component or
assembly), end item, or system.