TM 55-1520-240-23-9
11-55
RIG FORWARD ROTARY WING BLADES
11-55
INITIAL SETUP
Applicable Configurations:
All
Tools:
Aircraft Mechanic’s Tool Kit, NSN 5180-00-323-4692
Second Stage Rig Pin (T135)
First Stage Rig Pin (T44)
Protractor Assembly
Blade Angle Setting Tool (T129)
Personnel Required:
Medium Helicopter Repairer (2)
Inspector
References:
Task 5-94
Task 11-51
Equipment Condition:
Battery Connected (Task 1-39)
Electrical Power On
Hydraulic Power On
AFCS SYSTEM SEL Switch Set to OFF
Servocylinder Safety Blocks (T31) Installed (Task
11-28)
Blade Lead/Lag Rigging Tool (T72) Installed (Task
11-30)
Helicopter Rigged for Neutral (Task 11-33)
DASH Actuator Removed (Task 11-163)
DASH Actuator Dummy Link (T42) Installed (Task
11-26)
Forward Swashplate and Servocylinders Rigged
(Task 11-54)
Forward LCT Actuators Fully Retracted (TM
55-1520-240-T)
Pitch Link Positioned Over Forward Right
Servocylinders (Task 1-26)
Forward Rotor Shaft Cover Removed (Task 5-8)
Closet Acoustic Blanket Removed (Task 2-107)
Closet Backup Panel Removed (Task 2-2)
Forward Work Platforms Open (Task 2-2)
Forward Rotary-Wing Blade Tie Down Lines Installed
(Task 1-26)
Forward Transmission Drip Pan Removed (Task 2-3)
11-250
