MAINTENANCE ALLOCATION
(e) R e p l a c e . To substitute serviceable
A3-1. General
c o m p o n e n t s , assemblies, or subas-
a. This appendix assigns maintenance func-
s e m b l i e s , for unserviceable compo-
tions to be performed on component,
nents, assemblies, or subassemblies.
assemblies, and subassemblies by the lowest
Repair. To restore an item to serv-
appropriate maintenance category.
i c e a b l e condition through correc-
b. Columns in the maintenance allocation
tion of a specific failure or unserv-
chart are as follows:
iceable condition. This function
(1) Part or component. This
column
includes but is not limited to weld-
shows only the nomenclature or stand-
i n g , grinding, riveting, straighten-
a r d s item name. Additional descrip-
ing, and replacement of parts other
tive data are included only where
t h a n the trial and error replace-
c l a r i f i c a t i o n is necessary to identify
m e n t of running spare type items
t h e component. Component, assem-
s u c h as fuses, lamps, or electron
blies, and subassemblies are listed in
tubes.
t o p - d o w n order. That is, the assem-
( g ) Align. To adjust two or more com-
b l i e s which are part of a component
p o n e n t s of an electrical system so
are listed immediately below that
t h a t their functions are properly
c o m p o n e n t , and subassemblies which
synchronized.
a r e part of an assembly are listed
( h ) C a l i b r a t e . To determine, check, or
immediately below that assembly.
rectify the graduation of an instru-
E a c h generation breakdown (compo-
m e n t , weapon, or weapons system,
n e n t s , assemblies, or subassemblies)
or components of a weapons system.
are listed in dissasembly order or al-
(i) O v e r h a u l . To restore an item to
phabetical order.
completely serviceable condition as
(2) Maintenance function. T h i s c o l u m n
p r e s c r i b e d by serviceability stand-
indicates the various maintenance
a r d s developed and published by
functions allocated to the categories.
heads of technical services. This is
Service. To clean, to preserve, and
a c c o m p l i s h e d through employment
of the technique of "Inspect
Adjust. To regulate periodically to
and Repair Only as Necessary"
prevent malfunction.
( I R O A N ) . Maximum utilization of
d i a g n o s t i c and test equipment is
Inspect. T o v e r i f y s e r v i c e a b i l i t y
c o m b i n e d with minimum disassem-
a n d detect incipient electrical or
bly of the item during the overhaul
mechanical failure by scrutiny.
process.
Test. To verify serviceability and
(j) R e b u i l d . T o restore an item to a
to detect incipient electrical or
standard as near as possible to
mechanical failure by use of special
o r i g i n a l or new condition in ap-
e q u i p m e n t such as gages, meters,
pearance, p e r f o r m a n c e , a n d l i f e
etc.