TM 1-1520-238-23
4-338
4.104.
ENGINE SHROUD SEAL RING REMOVAL/INSTALLATION
4.104.1. Description
This task covers:
Removal. Cleaning. Inspection. Installation.
4.104.2. Initial Setup
Tools:
Aircraft maintenance tool kit (item 371, App H)
30 - 150 inch-pound 1/4-inch drive click type torque
wrench (item 435, App H)
Personnel Required:
68B
Aircraft Powerplant Repairer
67R3F
Attack Helicopter Repairer/Technical
Inspector
References:
TM 55-2840-248-23
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 shroud seal ring.
4.104.3. Removal
a. Remove ring (1) from C-sump housing (2).
(1) Remove four nuts (3) and washers (4) from
studs (5).
(2) Remove ring (1).
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M04-2980-1
M04-2980-2
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1
2
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