TM 55-1520-240-23-9
11-77
ASSEMBLE PILOT’S COCKPIT CONTROL ASSEMBLY
(Continued)
11-77
26.
Position spacer (57) on fitting (58).
FLIGHT SAFETY PARTS
This is an installation critical flight
safety part. All aspects of its assembly
and installation must be ensured at
each joint connection and mounting to
the airframe.
Ensure that all bushings are properly
installed (including orientation) in
the output and input clevises of the
bellcrank assembly.
Ensure bellcrank hub bearings are
serviceable and properly installed.
Ensure associated bellcrank
assembly and pivot axis hardware
including shaft, spacers, plugs, and
bushings, are properly installed so
as not to prevent free rotation of the
component.
Ensure proper attaching hardware
(impedance type bolt, nut, and
washers) is installed including
verification of bolt head orientation,
torque, and installation of cotter pins.
Loose attachments within flight control
primary linkage will degrade aircraft
control. Missing components will
cause loss of control.
27.
Position bellcrank (38) on spacer (57) short arm
(41) down and aft.
28.
Slide shaft (56) through bellcrank (38) spacer
(57), and fitting (58) until it bottoms.
29.
Install two bushing (59 and 60) in shaft (56).
30.
Install two washer (61 and 62), bolt (63), and nut
(64) in shaft (56). Tighten nut until bellcranks (38
and 47) do not move up and down, but rotate
freely. Back off nut to align cotter pin holes.
31.
Check gap between washer (61) and bushing
(60). Gap shall be 0.010 inch maximum.
32.
Install cotter pin (65).
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