TM 1-1520-238-23
13-29
13.9.
ENCU COOLING TURBINE ASSEMBLY REMOVAL/INSTALLATION
13.9.1. Description
This task covers:
Removal. Cleaning. Inspection. Installation.
13.9.2. Initial Setup
Tools:
Aircraft mechanics 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)
30 - 150 inch-pound 1/4-inch drive click type torque
wrench (item 435, App H)
Materials/Parts:
Packing (3)
Petrolatum (item 138, App F)
Personnel Required:
67R
Attack Helicopter Repairer
67R3F
Attack Helicopter Repairer/Technical
Inspector
References:
TM 1-1520-238-T
Equipment Conditions:
Ref
Condition
13.3
ENCU removed
13.9.3. Removal
a. Remove duct assembly (1) from ENCU cool-
ing turbine assembly (2).
(1) Remove two screws (3) and washers (4).
(2) Rotate duct (1) clockwise to clear turbine (2).
(3) Remove duct (1).
(4) Remove and discard packings (5) and (6).
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