TM 11-6625-3081-23
B-2. MAINTENANCE FUNCTIONS (cont)
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f.
Calibrate.
To determine and cause corrections to be made or to be adjusted on
instruments or test, measuring, and diagnostic equipments used in precision measure-
ment.
Consists of comparisons of two instruments, one of which is a certified stan-
dard of known accuracy, to detect and adjust any discrepancy in the accuracy of the
instrument being compared.
g.
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.
h.
Replace.
To remove an unserviceable item and install a serviceable counter-
part in its place. “Replace” is authorized by the MAC and is shown as the 3d position
code of the SMR code.
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3
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i. Repair.
The application of maintenance services , including fault location/
troubleshooting , removal/installation, and 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 (compartment or assembly), end item, or system,
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j.
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 (i.e., DMWR).
Overhaul is normally
the highest degree of maintenance performed by the Army. overhaul does not normally
return an item to like new condition.
k.
Rebuild.
Consists of those services/actions necessary for the restoration of
unserviceable equipment to a like new condition in accordance with original manufac-
turing standards.
Rebuild is the highest degree of materiel maintenance applied to
Army equipment.
The rebuild operation includes the act of returning to zero those age
measurements (hours/miles, etc.) considered in classifying Army equipment/components.
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3
Services - inspect, test, service, adjust, aline, calibrate, and/or replace.
Fault locate/troubleshoot
- 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).
Disassemble/assemble - encompasses the step-by-step taking apart (or breakdown) of a
spare/functional group coded item to the level of its least componency identified as
maintenance significant (i.e., assigned an SMR code) for the category of maintenance
under consideration.
Actions - welding, grinding, riveting, straightening, facing, remachining, and/or
resurfacing.
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