TM 55-1520-240-23-9
11-21
RIGGING
11-21
INITIAL SETUP
Applicable Configurations:
All
Tools:
As Required
Materials:
None
Personnel Required:
Medium Helicopter Repairer (2)
Inspector
References:
Task 11-30
Task 11-28
Task 11-192
Equipment Condition:
As Required
Rotor blades can seriously injure
personnel. Make sure area around
helicopter is clear of personnel before
moving rotor blades.
Do not apply more than 20 pounds
to cockpit controls. Damage to
component can result.
Do not remove hydraulic power with
rigging pins installed. Damage to
component will result.
1.
Install lead/lag absorber rigging tool (T72) if
rotary-wing blades are to be turned (Task 11-30).
NOTE
Rotary-wing blades place forces on
flight controls.
2.
Install safety blocks (T31) in forward and aft
servocylinders to lock-out rotary-wing blade
forces (Task 11-28).
3.
If flight control components are to be
disconnected, disconnect forward and aft
servocylinder connecting links (Task 11-192).
NOTE
Springs in servocylinder valves in
down position.
FOLLOW-ON MAINTENANCE:
As Required
END OF TASK
11-81
