User's Manual

Table Of Contents
ABBREVIATED COMPONENT MAINTENANCE MANUAL
1458-A-1101 / 1458-A-1300
Code
Function Definition
030
Disassemble Modular Sections This is the second echelon of disassembly
which consists of disassembly of the modular
sections into subassemblies after removal from
the unit/engine. Modular section designations
appear in the second element of the ATA
number for this echelon of disassembly.
040
Disassemble
Subassemblies
This is the th
ird echelon of engine
disassembly
which consists of disassembly
of subassem
blies to the piece part level.
The subasse
mblies are identified by the third
element of t
he ATA number.
050
Remove Accessory/Power Plant Components This consists of removing individual
accessory/power plant components from either
installed or uninstalled engines.
060
Disassemble Accessory This involves disassembly of accessories
/components into subassemblies.
070
Disassem
ble Accessory Subassembly
This invo
lves disassembly of accessories
/compone
nts subassemblies into piece parts.
080
Remove Test Equipment This consists of removing equipment and
instrumentation after accessory/component
test.
090
Disassemble Support Equipment This consists of disassembly of support
equipment required to maintain said support
equipment.
100
CLEANING
110
Chemical Removal of surface deposits from a part by
use of a chemical cleaning agent. After being
dissolved, the deposit is washed or rinsed away
after a soaking period. Also includes chemical
power flushing.
120
Abras
ive
Remov
al of surface deposits from a part by wet
or dry
particle impingement.
130
Ultrasonic Removal of surface deposits and entrapped
material by use of high frequency sound waves
to produce cavitation at the surface of the
part. Cleaning is performed in a liquid bath
that transmits the sound energy and keeps the
removed material in suspension.
140
Mechanical Removal of surface deposits from a part by use
of a brush, felt bob, sandpaper, or other hand
or mechanical action.
EFFECTIVITY
ALL
23-15-30
Page 10 of 70
5 Oct 2012
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