TM 1-1520-238-23
4-334
4.102.
NO. 1 AND NO. 2 ENGINE WATER WASH COUPLING HALF
REMOVAL/INSTALLATION
4.102.1. Description
This task covers:
Removal. Cleaning. Inspection. Installation.
4.102.2. Initial Setup
Tools:
Aircraft mechanic’s tool kit (item 376, App H)
Light duty laboratory apron (item 27, App H)
7/8 x 3/8-inch drive open end socket wrench crowfoot
attachment (item 100, App H)
Industrial faceshield (item 129, App H)
Chemical protective gloves (item 154, App H)
30 - 200 inch-pound 1/4-inch drive click type torque
wrench (item 436, App H)
Materials/Parts:
Packing
Petrolatum (item 138, App F)
Personnel Required:
67R
Attack Helicopter Repairer
67R3F
Attack Helicopter Repairer/Technical
Inspector
Equipment Conditions:
Ref
Condition
1.57
Helicopter safed
2.2
Access door LN2 or RN2 opened
NOTE
This task is typical for No. 1 or No. 2
engine water wash coupling half.
4.102.3. Removal
a. Remove coupling half (1) from swirl frame (2).
(1) Unscrew coupling half (1) from swirl frame
(2).
(2) Remove and discard packing (3).
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M04-2548-1
1
3
2
M04-2548-2
