MAINTENANCE ALLOCATION
INTRODUCTION
Section I.
(f) Repair. To restore an item to serv-
A3-1. General
iceable condition through correc-
a. This appendix assigns maintenance func-
tion of a specific failure or unserv-
tions to be performed on components, assem-
iceable condition. This function in-
blies, and subassemblies by the lowest appro-
cludes but is not limited to weld-
priate maintenance category.
ing, grinding, riveting, straighten-
b. Columns in the maintenance allocation
ing, and replacement of parts oth-
chart are as follows:
er than the trial and error replace-
ment of running spare type items
(1) Part or component. This column
such as fuses, lamps, or electron
shows only the nomenclature or stand-
ard item name. Additional descrip-
tubes.
tive data are included only where
(g) Align. To adjust two or more com-
ponents of an electrical system so
clarification is necessary to identify
the component, components, assem-
that their functions are properly
blies, and subassemblies are listed in
synchronized.
top-down order. That is, the assem-
(h) Calibrate. To determine, check, or
blies which are part of a component
rectify the graduation of an in-
are listed immediately below that
strument, weapon, or weapons sys-
component, and subassemblies which
tem, or components of a weapons
are part of an assembly are listed
system.
immediately below that assembly.
(i) Overhaul. To restore an item to com-
Each generation breakdown (compo-
pletely serviceable condition as
nents, assemblies, or subassemblies)
prescribed by serviceability stand-
is listed in disassembly order or
ards developed and published by
alphabetical order.
heads of technical services. This
is accomplished through employ-
(2) Maintenance function. This column
ment of the technique of "Inspect
indicates the various maintenance
and Repair Only as Necessary"
functions allocated to the categories.
(IROAN). Maximum utilization of
(a) Service. To clean, to preserve, and
diagnostic and test equipment is
to replenish lubricants,
combined with minimum disassem-
(b) Adjust. To regulate periodically to
bly of the item during the over-
prevent malfunction.
haul process.
(c) Inspect. To verify serviceability
and detect incipient electrical or
(j) Rebuild. To restore an item to a
mechanical failure by scrutiny.
standard as near as possible to orig-
(d) Test. To verify serviceability
inal or new condition in appearance,
performance, and life expectancy.
and to detect incipient electrical or
mechanical failure by use of spe-
This is accomplished through the
cial equipment such as gages, me-
maintenance technique of complete
disassembly of the item, inspection
ters, etc.
(e) Replace. To substitute serviceable
of all parts or components, repair
or replacement of worn or unserv-
components, assemblies, subassem-
iceable elements using original
blies, for unserviceable compo-
manufacturing tolerances and/or
nents, assemblies, or subassemblies.
A3-1
