Maintenance Functions - TM-5-3610-254-140290

TM 5-3610-254-14

d. Touch up. To spot paint scratched or blistered surfaces.

e. Mark. To restore obliterated identification.

Adjust. To maintain or regulate, within prescribed limits, by bringing into proper 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 of

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 being compared.

Remove/Install. To remove and install the same item when required to perform service or other

maintenance functions. Install may be the act of emplacing, seating, or fixing into position a

spare, repair part, or module (component or assembly) in a manner to allow the proper

functioning of an equipment or system.

Paint. To prepare and spray color coats of paint so that the ammunition can be identified and

protected. The color indicating primary use is applied, preferably, to the entire exterior surface as

the background color of the item. Other markings are to be repainted as original so as to retain

proper ammunition identification.

Replace. To remove an unserviceable item and install a serviceable counterpart in its place.

"Replace" is authorized by the MAC and assigned maintenance level is shown as the third

position code of the Source, Maintenance and Recoverability (SMR) code.

10.

Repair. The application of maintenance services, including fault location/troubleshooting,

removal/installation, disassembly/assembly procedures, and maintenance actions to identify

troubles and 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.

NOTE

The following definitions are applicable to the "repair" maintenance function:

Services. Inspect, test, service, adjust, align, calibrate, and/or replace.

Fault location/troubleshooting. The process of investigating and detecting the

cause of equipment malfunctioning; the act of isolating a fault within a system or

Unit Under Test (UUT).

Disassembly/assembly. The step-by-step breakdown (taking apart) of a

spare/functional group coded item to the level of its least component, and that is

assigned an SMR code for the level of maintenance under consideration (i.e.,

identified as maintenance significant).

Actions. Welding, grinding, riveting, straightening, facing, machining, and/or

resurfacing.

11.

Overhaul. That maintenance effort (service/action) prescribed to restore an item to a completely

serviceable/operational condition as required by maintenance standards in appropriate technical

publications. Overhaul is normally the highest degree of maintenance performed by the Army.

Overhaul does not normally return an item to like new condition.

B-2

Change 2