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Page Title:
Appendix III. MAINTENANCE ALLOCATION |
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  MAINTENANCE ALLOCATION
SECTION I. INTRODUCTION
(e) Replace. To substitute service-
A3-1. General
able components, assemblies, or
a. This appendix assigns maintenance func-
subassemblies, for unserviceable
tions to be performed on components, as-
components, assemblies, or subas-
semblies, and subassemblies by the lowest
semblies.
appropriate maintenance category.
(f) Repair. To restore an item to serv-
b. Columns in the maintenance allocation
iceable condition through correction
chart are as follows:
of a specific failure or unserviceable
condition. This function includes
(1) Part or component. This column
but is not limited to welding, grind-
shows only the nomenclature or stand-
ing, riveting, straightening, and
ard item name. Additional descriptive
replacement of parts other than the
data are included only where clarifi-
trial and error replacement of run-
cation is necessary to identify the
ning spare type items such as fuses,
component. Components, assemblies,
lamps, or electron tubes.
and subassemblies are listed in top-
down order. That is, the assemblies
(g) Align. To adjust two or more com-
which are part of a component are
ponents of an electrical system so
listed immediately below that com-
that their functions are properly
ponent, and subassemblies which are
synchronized.
part of an assembly are listed im-
(h) Calibrate. To determine, check, or
mediately below that assembly. Each
rectify the graduation of an instru-
generation breakdown (components,
ment, weapon, or weapons system,
assemblies, or subassemblies) is listed
or components of a weapons sys-
in disassembly order or alphabetical
tem.
order.
(i) Overhaul. To restore an item to
(2) Maintenance function. This column in-
completely serviceable condition as
dicates the various maintenance func-
prescribed by serviceability stand-
tions allocated to the categories.
ards developed and published by
heads of technical services. This is
(a) Service. To clean, to preserve, and
accomplished through employment
to replenish lubricants.
of the technique of "Inspect and Re-
(b) Adjust. To regulate periodically to
pair Only as Necessary" (IROAN).
prevent malfunction.
Maximum utilization of diagnostic
(c) Inspect. To verify serviceability
and test equipment is combined
and detect incipient electrical or
with minimum disassembly of the
mechanical failure by scrutiny.
item during the overhaul process.
(d) Test. To verify serviceability and
(j) Rebuild. To restore an item to a
standard as near as possible to
to detect incipient electrical or me-
original or new condition in appear-
chanical failure by use of special
equipment such as gages, meters,
ance, performance, and life expect-
etc.
ancy. This is accomplished through
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