TM 1-1520-238-23
11-1064
11.254.
DIRECTIONAL F.S. 275 BELLCRANK REMOVAL/INSTALLATION
11.254.1. Description
This task covers:
Removal. Cleaning. Inspection. Installation.
11.254.2. Initial Setup
Tools:
Aircraft mechanic’s tool kit (item 376, App H)
10 - 50 inch-pound 1/4-inch drive click type torque
wrench (item 434, App H)
Materials/Parts:
Cotter pin (4)
Personnel Required:
67R
Attack Helicopter Repairer
67R3F
Attack Helicopter Repairer/Technical
Inspector
References:
TM 1-1520-238-T
Equipment Conditions:
Ref
Condition
1.57
Helicopter safed
2.84
Catwalk center section removed
WARNING
To prevent injury, maintenance per-
sonnel shall be warned before moving
controls. If injury occurs, seek medi-
cal aid.
11.254.3. Removal
a. Remove forward push-pull rod (1) from direc-
tional bellcrank (2).
(1) Remove and discard cotter pin (3).
(2) Remove self-locking nut (4) from close toler-
ance bolt (5).
(3) Remove bolt (5) and bushing (6) from bellcrank
(2) and rod (1).
(4) Remove rod (1).
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M04-1790-1
M04-1790-2
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2
1
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4
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