TM 1-1520-238-23
11-1112
Change 3
11.264.
TAIL ROTOR SWASHPLATE CONTROL BELLCRANK INSTALLATION
11.264.1. Description
This task covers:
Installation.
11.264.2. Initial Setup
Tools:
Aircraft mechanic’s tool kit (item 376, App H)
Light duty laboratory apron (item 27, App H)
Chemical protective gloves (item 154, App H)
Industrial goggles (item 156, App H)
Adjustable air filtering respirator (item 262, App H)
30 - 150 inch-pound 1/4-inch drive click type torque
wrench (item 435, App H)
0 - 600 inch-pound 3/8-inch drive dial indicator torque
wrench (item 447, App H)
Materials/Parts:
Cotter pin (4)
Adhesive (item 7, App F)
Primer coating (item 147, App F)
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
WARNING
FLIGHT SAFETY PART
The tail rotor swashplate control bellcrank assembly is a flight safety part. Failure to follow
maintenance instructions may result in serious injury or death of crewmembers and/or
serious damage to the helicopter.
Heat treated condition of the tail rotor swashplate control bellcrank assembly is critical. This
part must be protected from unscheduled heating and external impact during inspection and
other handling.
To prevent injury, maintenance personnel shall be warned before moving controls. If injury
occurs, seek medical aid.
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