TM 1-1520-238-23
Change 8
E-25
E.12.
AUXILIARY POWER UNIT (APU) DEPRESERVATION
This task covers:
APU Depreservation.
E.12.1. Initial Setup
Tools:
Aircraft mechanic’s tool kit (item 376, App H)
Light duty laboratory apron (item 27, App H)
Industrial faceshield (item 129, App H)
Chemical protective gloves (item 154, App H)
Aircraft power unit (item 232, App H)
Adjustable air filtering respirator (item 262, App H)
Materials/Parts:
Cloth (item 52, App F)
Dry cleaning solvent (item 74, App F)
Personnel Required:
67R
Attack Helicopter Repairer
67R3F
Attack Helicopter Repairer/Technical
Inspector
References:
TM 1-1500-204-23
TM 1-2835-213-23
Equipment Conditions:
Ref
Condition
1.57
Helicopter safed
2.2
Access doors T250L, T250R, T290L,
T290R, and L325 opened
15.41
APU enclosure removed
NOTE
Refer to TM 1-1500-204-23 for general procedures for removing aircraft from storage.
E.12.2. APU Depreservation
a. Remove APU exhaust cover (para 1.60).
(1) Remove all barrier material, tape, and residue left by tape. Use cloth (item 52, App F) and dry cleaning
solvent (item 74, App F).
b. Remove protective caps from APU (TM 1-1500-204-23).
c. Service APU (para 1.26).
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