MAINTENANCE
ALLOCATION
CHART
Section
I
INTRODUCTION
( g ) Calibrate. To determine, check, or
1. Scope
rectify the graduation of an instru-
a. General. This
appendix
assigns
mainte-
ment, weapon, or weapons system,
nance functions and repair operations to be
or components of a weapons system.
performed by the lowest appropriate mainte-
( h ) Rebuild. To restore to a condition
nance echelon.
comparable
to
new
by
disassem-
b.
Allocation
of
Maintenance
Functions.
bling the item to determine the con-
Columns in section II, Allocation of Mainte-
dition of its component parts and
nance Functions, are defined as follows:
reassembling
it
using
serviceable,
(1) Part
or
component. This
column
rebuilt, or new assemblies, subas-
shows only the nomenclature or stand-
semblies,
and
parts.
ard
item.
Additional
descriptive
data
( 3 ) 1st, 2d, 3d, 4th, 5th echelon. T h e
sym-
are
included
only
where
clarification
bol
X
indicates
the
echelon
responsi-
is necessary to identify the part. Com-
ble
for
performing
that
particular
ponents and parts comprising a major
maintenance
operation,
but
does
not
end item are listed alphabetically. As-
necessarily indicate that repair parts
semblies
and
subassemblies
are
in
will be stocked at that level. Echelons
alphabetical
sequence
with
their
com-
higher than the echelon marked by X
ponents
listed
alphabetically
immedi-
are
authorized
to
perform
the
indi-
ately below the assembly listing.
cated operation. Column 5 is not used.
(2) Maintenance function. This
column
Tools required. This column indicates
(4)
indicates
the
various
maintenance
the tool, test, and maintenance equip-
functions
allocated
to
the
echelon
ments required to perform the main-
capable of performing the operations.
tenance functions. These numbers are
( a ) Service. To clean, to preserve, and
identified in section III, Allocation of
to replenish fuel and lubricants.
Tools for Maintenance Functions.
( b ) Adjust. To
regulate
periodically
to
( 5 ) Remarks. This column contains any
prevent malfunction.
notations
necessary
to
clarify
the
( c ) Inspect. To
verify
serviceability
and
data cited in the preceding columns.
to
detect
incipient
electrical
or
mechanical failure by scrutiny.
c.
Allocation
of
Tools
for
Maintenance
( d ) Test. To
verify
serviceability
and
F u n c t i o n s . Columns
in
section
III,
Allocation
to
detect
incipient
electrical
or
of
Tools
for
Maintenance
Functions,
are
as
mechanical failure by use of special
follows:
equipment
such
as
gages,
meters,
( 1 ) Tools required for maintenance func-
etc.
tions. This column lists the tools and
( e ) Replace. To
substitute
serviceable
test
equipment
required
to
perform
assemblies,
subassemblies,
and
parts
the maintenance functions.
for
unserviceable
components.
( 2 ) 1st, 2nd, 3rd, 4th, and 5th echelon. A
( f ) Repair. To restore to a serviceable
dagger
in
columns
3,
5,
and
6
condition by replacing unservice-
indicates that the tool or test equip-
able parts or by any other action re-
ment is allocated to that echelon. Col-
quired
utilizing
tools,
equipment,
umns 2 and 4 are not used.
and skills available, to include weld-
ing, grinding, riveting, straighten-
( 3 ) Tool code. This column lists the tool
ing, adjusting, etc.
code assigned. The numbers are used
