TM 55-1520-240-23-9
11-253
INSTALL AFT FUSELAGE LEFT CONNECTING LINK
11-253
INITIAL SETUP
Applicable Configurations:
All
Tools:
Aircraft Mechanic’s Tool Kit, NSN 5180-00-323-4692
Workstand
Torque Wrench, 30 to 150 Inch-Pounds
Torque Wrench, 5 to 50 Inch-Pounds
Materials:
None
Parts:
Cotter Pins
Personnel Required:
Medium Helicopter Repairer
Inspector
References:
TM 55-1520-240-23P
Task 1-13
Task 11-33
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 bearing is secure.
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.
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 the link assy is
secure.
Ensure proper application of ALBI fire
retardant coatings to the link assy.
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.
11-980
