C3, TM 9-2320-211-20
2-239.5. Backrest
Cushion
Replacement
(Floating Type).
cab (2-239.1a above). Remove four screws securing
backrest cushion to adjuster rod brackets and remove
wear plate. Remove four screws securing upper mounting
brackets to backrest cushion and remove cushion from
seat frame.
on the floor. Secure the seat frame to the driver's seat base
with four hex-head screws and safety nuts. Secure the
seat frame legs to the floor with two hex-head split
lockwasher screws.
2-239.7. Companion Seat and Backrest Cushion
Replacement.
and the pivot pins of the two safety nuts and screws
holding the seat cushion hinges to the seat frame. Lift up
the seat cushion. Remove the safety nut and screw
holding the cushion to the seat cushion link, and remove
the seat cushion. Pull up and pull out the bottom rear
edge of the backrest cushion, and pull the cushion from
and installation
the backrest frame.
the backrest cushion under hooks on the top edge of the
frame and secure to frame with two upper mounting
backrest frame. While pulling up on the cushion, press
brackets and two screws. Position wear plate between
the cushion back to seat the lower edge in the frame.
cushion and adjuster rod brackets. Secure adjuster rod
Install the two pivot and cotter pins or two hex-head
brackets and wear plate to cushion with four screws.
screws and safety nuts through the seat and frame hinge
Install seat in cab (2-239.1b above).
to secure the seat. Lift up the seat and secure the cushion
to the seat cushion link with a hex-head screw and safety
2-239.6. Companion Seat Replacement.
nut.
cushion. Remove the two screws securing the companion
seat frame legs to the floor, remove the four safety nuts
and screws securing the seat frame to the driver's seat
base, and remove the seat.
