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Figure 4-6 Stabilator
control
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If unusual tolerance is found along transmission, replace parts displaying excessive wear.
The aft bellcrank assembly (see fig. 4-7) consists of a steel tube (1) with welded horn assembly (2), attachment for
stabilator control shaft (3) and balanced weight bellcrank (4). Counterweight is located at the end of a prong bolted to the
torque tube and entering tail cone through the tail-frame cutout.
Longitudinal trim is controlled through two switches on the stick handle and is monitored via an indicator located on
instrument panel. Control activates the linear actuator (5) connected to supports (6) and horn assembly (7).
Actuator
‟
s
motion is transmitted to an adjustable push-pull rod (8) through a bellcrank (9).
To remove the stabilator torque tube, disconnect electric actuator frame assembly (7) from support (6), release control shaft
(4) from aft bellcrank assembly (3) then release horn assembly (2) from brackets (6).
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32
Revision Date:
10-29-2007
Revision Number:
3.01
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