INSTALL TUNNEL CONNECTING LINKS
FLIGHT SAFETY PARTS
This is an installation critical flight
safety part. All aspects of its assembly
and installation must be ensured.
Ensure that both rod end jam nuts are
installed and torqued.
Ensure that the rivet through the fixed
rod end insert and rod end is secure.
Ensure rivet, roll pin, and associated
hardware through rod end insert at
adjustable end of link assy is secure.
Ensure proper application of ALBI fire
retardant coatings to the link assy.
Ensure the bushing is installed on the
bolt head side of the clevis on the
forward end of this link. Omission of
this bushing will result in improper
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.
Do not install connecting link unless it
is same length as link being replaced.
If length is not same, connecting
link can cause flight controls to be
Procedure is same for all tunnel
connecting links. Links are connected
at sta. 201, 241, 281, 321, 361, and
401. Connecting links at sta. 241 are
All bolts installed in flight control
system are self-retaining impedance
type bolts. During installation of flight
controls make sure all bolts used are
self-retaining bolts (Task 1-13).