TM 1-1520-238-23
Change 4
4-249
4.78.
NO. 2 ENGINE AIR DUCT REMOVAL/INSTALLATION
4.78.1. Description
This task covers:
Removal. Cleaning. Inspection. Installation.
4.78.2. Initial Setup
Tools:
Aircraft mechanic’s tool kit (item 376, App H)
1 3/4 & 2 3/4-inch rubber mallet (item 213, App H)
0 - 75 inch-pound 1/4-inch drive dial indicator torque
wrench (item 446, App H)
Personnel Required:
67R
Attack Helicopter Repairer
67R3F
Attack Helicopter Repairer/Technical
Inspector
References:
TM 1-1520-238-T
TM 1-1500-204-23
Equipment Conditions:
Ref
Condition
1.57
Helicopter safed
2.2
Access door RN1 opened
4.103
No. 2 engine shroud removed
M04-1071-1A
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