TM 1-1520-238-23
4-231
4.72.
NO. 1 AND NO. 2 ENGINE ANTI-ICE SUPPLY TUBE REMOVAL/INSTALLATION
4.72.1. Description
This task covers:
Removal. Cleaning. Inspection. Installation.
4.72.2. Initial Setup
Tools:
Aircraft mechanic’s tool kit (item 376, App H)
1 1/4 x 3/8-inch drive open end socket wrench crowfoot
attachment (item 89, App H)
Light duty laboratory apron (item 27, App H)
Industrial faceshield (item 129, App H)
Chemical protective gloves (item 154, App H)
1 1/16 & 1 1/4-inch open end wrench (item 416, App H)
1 3/8 & 1 7/16-inch open end wrench (item 421, App H)
0 - 75 inch-pound 1/4-inch drive dial indicator torque
wrench (item 446, App H)
150 - 750 inch-pound 3/8-inch drive click type torque
wrench (item 442, App H)
Materials/Parts:
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
1.57
Helicopter safed
2.2
Access door LN1 or RN1 opened
NOTE
This task is typical for No. 1 or No. 2
engine anti-ice supply tube.
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