TM 9-3950-253-13&P
0117
INTRODUCTION - Continued
The remarks table (immediately following the tools and test equipment requirements) contains supplemental
instructions and explanatory notes for a particular maintenance task.
Maintenance Functions (Tasks)
Maintenance functions are limited to and defined as follows:
1.
Inspect. A function to determine the serviceability of an item by comparing its physical, mechanical,
and/or electrical characteristics with established standards through examination (e.g., by sight, sound, or
feel).
2.
Test. To verify serviceability by measuring the mechanical, pneumatic, hydraulic, or electrical
characteristics of an item and comparing those characteristics with prescribed standards, e.g., load
testing of lift devices or hydrostatic testing of pressure hoses.
3.
Service. Operations required periodically to keep an item in proper operating condition such as
replenishing fuel, lubricants, chemical fluids, or gases.
4.
Adjust. To maintain or regulate, within prescribed limits, by bringing into proper position, or by setting the
operating characteristics to specified parameters.
5.
Align. To adjust specified variable elements of an item to bring about optimum or desired performance.
6.
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. It 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.
7.
Remove. The act of taking a component off an asset to facilitate other maintenance on a different
component or on the same component (except for replace and repair.)
8.
Install. The act of placing, positioning, or otherwise locating a component to make it part of a higher level
end item. The install task is authorized by the LMI/MAC and the assigned maintenance level is shown as
the third position code of the SMR code.
9.
Replace. The act of taking off an unserviceable component and putting a serviceable component in its
place. The replace task is authorized by the LMI/MAC and the assigned maintenance level is shown as
the third position code of the SMR code.
10.
Repair. The act of restoring an item to a completely serviceable or fully mission capable status. The repair
task is authorized by the LMI/MAC and the assigned maintenance level is shown as the fourth position
code of the SMR code.
NOTE
The following definitions are applicable to the "repair" maintenance task:
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).
Actions. Welding, grinding, riveting, straightening, facing, machining, and/or
resurfacing.
11.
Paint. This is a function to prepare and apply coats of paint. When used with munitions, the paint is
applied so the ammunition can be identified and protected.
12.
Overhaul. This is the maintenance effort (service/action) prescribed to restore an item to a completely
serviceable/operational condition as required by maintenance standards in the appropriate technical
publications. Overhaul is normally the highest degree of maintenance performed by the Army. Overhaul
does not normally return an item to a like new condition.
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03/15/2011Rel(1.10)root(macintrowp)wpno(A582098)
