TM 11-6625-2616-14
MAINTENANCE ALLOCATION
Section I. INTRODUCTION
ment used in precise measurement. Consists of
B-1. General
the comparison of two instruments, one of which
This appendix provides a summary of the main-
is a certified standard of known accuracy, to
tenance operations covered in the equipment lit-
detect and adjust any discrepancy in the accuracy
erature. It authorizes categories of maintenance
of the instrument being compared with the cer-
for specific maintenance functions on repairable
tified standard.
items and components anti the tools and equip-
ment required to perform each function. This
g. Install. To set up for use in an operational
appendix may be used as an aid in planning main-
environment such as an encampment, site, or
tenance operations.
vehicle.
h. Replace. To replace unserviceable items with
serviceable like item.
B-2. Maintenance Functions
Maintenance functions will be limited to and
i. Repair. To restore an item to serviceable
defined as follows:
condition through correction of a specific failure
or unserviceable condition. This function includes,
a. Inspect. To determine serviceability of an
but is not limited to welding, grinding, riveting,
item by comparing its physical, mechanical, and
straightening, and replacement of parts other
electrical characteristics with established stand-
than the trial and error replacement of running
ards.
spare type items such as fuses, lamps, or electron
b. Test. To verify serviceability and to detect
tubes.
incipient electrical or mechanical failure by use
j. Overhaul. Normally, the highest degree of
of special equipment such as gages, meters, etc.
maintenance performed by the Army in order
This is accomplished with external test equipment
to minimize time work in process is consistent
and does not include operation of the equipment
with quality and economy of operation. It consists
and operator type tests using internal meters or
of that maintenance necessary to restore an item
indicating devices.
to completely serviceable condition as prescribed
c. Service. To clean, to preserve, to charge, and
by maintenance standards in technical publica-
to add fuel, lubricants, cooling agents, and air.
tions for each item of equipment. Overhaul nor-
If it is desired that elements, such as painting
mally does not return an item to like new, zero
and lubricating, be defined separably, they may
mileage, or zero hour condition.
be so listed.
k. Rebuild. The highest degree of materiel
d. Adjust. To rectify to the extent necessary
maintenance. It consists of restoring equipment
to bring into proper operating range.
as nearly as possible to new condition in accord-
ance with original manufacturing standards. Re-
e. Align. To adjust two or more components
build is performed only when required by opera-
or assemblies of an electrical or mechanical sys-
tional considerations or other paramount factors
tem so that their functions are properly synchro-
and then only at the depot maintenance category.
nized. This does not include setting the frequency
Rebuild reduces to zero the hours or miles the
control knob of radio receivers or transmitters
equipment, or component thereof, has been in use.
to the desired frquency.
l. Symbols. The uppercase letter placed in the
f. Calibrate. To determine the corrections to be
appropriate column indicates the lowest level at
made in the readings of instruments or test equip-
B-1
