TM 11-6625-599-12
APPENDIX II
MAINTENANCE ALLOCATION
Section 1. INTRODUCTION
(e) Replace. To substitute serviceable
A2-1. General
components, assemblies, or subas-
a. This appendix assigns maintenance func-
semblies, for unserviceable compo-
tions to be performed on components, assem-
nents, assemblies, or subassem-
blies, and subassemblies by the lowest appro-
blies.
priate 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 unservice-
(1) Part or component. This column
able condition. This function in-
shows only the nomenclature or
cludes but is not limited to weld-
standard item name. Additional de-
ing, grinding, riveting, straighten-
scriptive data are included only where
ing, and replacement of parts other
clarification is necessary to identify
than the trial and error replace-
the component. Components, assem-
ment of running spare type items
blies, and subassemblies are listed in
such as fuses, lamps, or electron
top-down order. That is, the assem-
tubes.
blies which are part of a component
are listed immediately below that
(g) Align. To adjust two or more com-
component, and the subassemblies
ponents of an electrical system so
which are part of an assembly are
that their functions are properly
listed immediately below that assem-
synchronized.
bly. Each generation breakdown
(components, assemblies, or subas-
(h) Calibrate. To determine, check, or
semblies ) is listed in disassembly or-
rectify the graduation of an instru-
der or alphabetical order.
ment, weapon, or weapons system,
or components of a weapons sys-
(2) Maintenance function. This column
tem, or components of a weapons
indicates the various maintenance
system.
functions allocated to the categories.
(a) Service. To clean, to preserve, and
(i) Overhaul. To restore an item to
completely serviceable condition as
prescribed by serviceability stand-
(b) Adjust. To regulate periodically
ards developed and published by
to prevent malfunction.
heads of technical services. This is
(c) Inspect. To verify serviceability and
accomplished through employment
to detect incipient electrical or me-
of the technique of "Inspect and
chanical failure by scrutiny.
Necessary"
Only as
Repair
(IROAN). Maximum utilization
(d) Test. To verify serviceability and
of diagnostic and test equipment is
to detect incipient electrical or me-
combined with minimum disassem-
chanical failure by use of special
bly of the item during the overhaul
equipment such as gages, meters,
process.
etc.
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