TM 55-1520-240-23-5
6-50
ASSEMBLE FORWARD TRANSMISSION PACKAGE
(Continued)
6-50
INSTALL BELLCRANKS
FLIGHT SAFETY PARTS
This is an installation critical flight
safety part. All aspects of its assembly
and installation must be insured at
each joint connection and mounting to
the transmission assembly.
Ensure that bushings and dowel pins
are properly installed.
Ensure mounting bolts attaching
support to the transmission are
properly torqued and lockwired.
Ensure proper attaching hardware
(impedance type bolt, nut and
washers) is installed including
verification of bolt head orientation,
torque, and installatin of cotter pin.
Loose attachments within flight control
imary linkage will degrade aircraft
control, missing components will
cause loss of control.
1.
Position left bellcrank (1) and support (2).
2.
Install four bolts (3) and washers (4). Torque bolts
to 190 inch-pounds. Lockwire bolts on each
side of support in pairs. Use lockwire (E231).
FLIGHT SAFETY PARTS
This is an installation critical flight
safety part. All aspects of its assembly
and installation must be insured at
each joint connection and mounting to
the transmission assembly.
Ensure that bushings and dowel pins
are properly installed.
Ensure mounting bolts attaching
support to the transmission are
properly torqued and lockwired.
Ensure proper attaching hardware
(impedance type bolt, nut and
washers) is installed including
verification of bolt head orientation,
torque, and installatin of cotter pin.
Loose attachments within flight control
imary linkage will degrade aircraft
control, missing components will
cause loss of control.
3.
Position right bellcrank (5) and support (6).
4.
Install four bolts (7) and washers (8). Torque bolts
to 190 inch-pounds. Lockwire bolts on each
side of support in pairs. Use lockwire (E231).
6-181
