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 TM5-4120-384-14
B-2.
MAINTENANCE
FUNCTIONS.-Continued
d. A d j u s t . To maintain, within prescribed limits, by bringing
into proper or exact position, or by setting the operating
characteristics to specified parameters.
Aline.
To adjust specified variable elements
of
an
item
to
e.
bring about optimum or desired performance.
To determine and cause corrections to be made or
Calibrate.
f.
to be adjusted on instruments or test, measuring, and diagnostic
Consists of comparisons
equipments used in precision measurement.
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
9.
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.
To remove an unserviceable item and install a
Replace.
h.
"Replace" is authorized by
serviceable counterpart in its place.
the MAC and is shown as the 3d position code of the SMR code.
The application of maintenance services, including
i. R e p a i r .
fault location/trouble-shooting, removal/installation, and
disassembly\assembly procedures, and maintenance actions to
identify troubles and restore serviceability to an item by
c o r r e c t i n g s p e c i f i c d a m a g e , f a u l tl m a l f u n c t i o n , o r f a i l u r e i n a
part, subassembly, module (component or assembly), end item, or
system.
That maintenance effort (service/actions)
Overhaul.
j.
prescribed to restore an item to a completely serviceable/
operational condition as prescribed by maintenance standards in
Overhaul is
appropriate technical publications (i.e., DMWR).
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
Rebuild is
in accordance with original manufacturing standards.
the highest degree of material maintenance applied to Army
The rebuild operation includes the act of returning to
equipment.
zero those age measurements (hours/miles, etc) considered in
classifying Army equipments/components.
B-2
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