TM 1-1520-238-23
4-152
Change 4
4.48.
NO. 1 ENGINE INSTALLATION
4.48.1. Description
This task covers:
Installation.
4.49. No. 1 Engine Installation – Install in Nacelle
4.50. No. 1 Engine Installation – Lower Connections
4.51. No. 1 Engine Installation – Upper Connections
4.48.2. Initial Setup
Tools:
Aircraft mechanic’s tool kit (item 376, App H)
Airframe adapter kit (item 25, App H)
Light duty laboratory apron (item 27, App H)
Aircraft mounted crane (item 69, App H)
9/16 x 1/4-inch drive open end box socket wrench
crowfoot attachment (item 85, App H)
Chemical protective gloves (item 154, App H)
1 3/4 & 2 3/4-inch rubber mallet (item 213, App H)
Adjustable air filtering respirator (item 262, App H)
Engine lifting sling (item 291, App H)
30 - 150 inch-pound 1/4-inch drive click type torque
wrench (item 435, App H)
0 - 75 inch-pound 1/4-inch drive dial indicator torque
wrench (item 446, App H)
Materials/Parts:
Packing (4)
Sealing compound (item 166, App F)
Personnel Required:
67R
Attack Helicopter Repairer
Two persons to assist
67R3F
Attack Helicopter Repairer/Technical
Inspector
References:
TM 1-1520-238-T
Equipment Conditions:
Ref
Condition
1.57
Helicopter safed
6.36
Engine nose gearbox and quill shaft
installed
10.1
Perform fuel system inspection
WARNING
Operation of a mix of T700–GE–701 and T700–GE–701C engines on the same AH–64A aircraft is
prohibited.
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