TM 1-1520-238-23
4-374
Change 4
4.117.
NO. 1 AND NO. 2 ENGINE FORWARD INBOARD MOUNT REMOVAL/INSTALLATION
4.117.1. Description
This task covers:
Removal. Cleaning. Inspection. Installation.
4.117.2. Initial Setup
Tools:
Aircraft mechanic’s tool kit (item 376, App H)
0 - 600 inch-pound 3/8-inch drive dial indicator torque
wrench (item 447, App H)
Materials/Parts:
Wire (item 226, App F)
Personnel Required:
67R
Attack Helicopter Repairer
67R3F
Attack Helicopter Repairer/Technical
Inspector
Equipment Conditions:
Ref
Condition
1.57
Helicopter safed
4.3
No. 1 engine removed or
4.8
No. 2 engine removed
NOTE
This task is typical for No.1 or No. 2
engine forward inboard mount.
Do not install removed engine in han-
dling adapter.
4.117.3. Removal
a. Remove mount (1) from engine (2).
(1) Remove lockwire from bolts (3).
(2) Remove four bolts (3) from engine boss (4).
(3) Remove mount (1).
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M04-2502-1A
M04-2502-2
4
3
1
2
