TM 1-1520-238-23
4-372
Change 4
4.116.
NO. 1 AND NO. 2 ENGINE AFT LOWER MOUNT REMOVAL/INSTALLATION
4.116.1. Description
This task covers:
Removal. Cleaning. Inspection. Installation.
4.116.2. 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)
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 aft
lower engine mount.
4.116.3. Removal
a. Remove aft lower mount (1) from diffuser case
(2).
(1) Hold two bolts (3). Remove two nuts (4) and
washers (5).
(2) Remove two bolts (3) from mount (1) and
case (2).
(3) Remove mount (1).
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M04-3921-1A
3
1
5
4
2
M04-3921-2
