TM 11591522613
APPENDIX B
MAINTENANCE ALLOCATION
Section I. INTRODUCTION
B-1. General
f. Calibrate. To determine and cause cor-
rections to be made or to be adjusted on in-
This appendix provides a summary of the
struments or test measuring and diagnostic
maintenance operations for the F-1461/VRC. It
equipments used in precision measurement.
authorizes categories of maintenance for spe-
Consists of comparisons of two instruments,
one of which is a certified standard of known
and components and the tools and equipment
accuracy, to detect and adjust any discrepancy
required to perform each function. This appen-
in the accuracy of the instrument being com-
dix may be used as an aid in planning mainte-
pared.
nance operations.
g. Install. The act of emplacing, seating, or
B-2. Maintenance Functions
fixing into position an item, part, or module
(component or assembly), in a manner to allow
Maintenance functions will be limited to and
the proper functioning of the equipment or sys-
defined as follows:
tem.
a. Inspect. To determine the serviceability
h. Replace. The act of substituting a serv-
of an item by comparing its physical, mechani-
iceable like type part, subassembly, or module
cal, and/or electrical characteristics with estab-
(component or assembly) for an unserviceable
lished standards through examination.
counterpart.
b. Test. To verify serviceability and to de-
i. Repair. The application of maintenance
tect incipient failure by measuring the mechani-
services (inspect, test, service, adjust, align,
cal or electrical characteristics of an item and
calibrate, replace) or other maintenance actions
comparing those characteristics with prescribed
(welding, grinding, riveting, straightening, fac-
standards.
ing, remachining, or resurfacing) to restore
serviceability to an item by correcting specific
c. Service. Operation required periodically
damage, fault, malfunction, or failure in a part,
to keep an item in proper operating condition,
subassembly, module (component or assembly),
i.e., to clean (decontaminate), to preserve, to
end item, or system.
drain, to paint, or to replenish fuel, lubricants,
hydraulic fluids, or compressed air supplies.
j. Overhaul. That maintenance effort
(service/action) necessary to restore an item to
d. Adjust. To maintain, within prescribed
a completely serviceable/operational condition
limits, by bringing into proper or exact position,
as prescribed by maintenance standards (i.e.,
or by setting the operating characteristics to the
DMWR) in appropriate technical publications.
specified parameters.
Overhaul is normally the highest degree of
e. Align. To adjust specified variable ele-
maintenance performed by the Army. Overhaul
ments of an item to bring about optimum or de-
does not normally return an item to like new
sired performance.
condition.
B1