TM 1-1520-238-23
Change 6
5-241
5.54.
TAIL ROTOR BLADE INSTALLATION
5.54.1. Description
This task covers:
Installation.
5.54.2. Initial Setup
Tools:
Aircraft mechanic’s tool kit (item 376, App H)
Electrical tool kit (item 378, App H)
Light duty laboratory apron (item 27, App H)
Chemical protective gloves (item 154, App H)
14-inch x 1/2-inch drive hinged socket wrench handle
(item 170, App H)
Maintenance platform (item 209, App H)
Multimeter (item 215, App H)
Adjustable air filtering respirator (item 262, App H)
Machinist’s scriber (item 278, App H)
10 - 50 inch-pound 1/4-inch drive click type torque
wrench (item 434, App H)
0 - 600 inch-pound 3/8-inch drive dial indicator torque
wrench (item 447, App H)
Materials/Parts:
Cotter pin
PLI washer
Self-locking nut
Corrosion preventive compound (item 62, App F)
Corrosion preventive compound (item 62A, App F)
Epoxy primer coating kit (item 78, App F)
Wire (item 222, App F)
Personnel Required:
67R
Attack Helicopter Repairer
One person to assist
68X
Armament/Electrical System Repairer
67R3F
Attack Helicopter Repairer/Technical
Inspector
References:
TM 1-1520-238-T
TM 55-1500-323-24
Equipment Conditions:
Ref
Condition
1.57
Helicopter safed
WARNING
FLIGHT SAFETY PART
The tail rotor blade 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.
NOTE
This task is typical for all four rotor blades. If reinstalling old blades, ensure that previously identified tail
rotor blades are installed in the same location.
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