When the throttle pedal is pushed down it moves the push-rod (1) which is attached to the throttle
pedal with a ball-joint (2) and is also attached to the rotary mechanism (4) by a second ball joint (3).
The return stop for the throttle pedal (5) is the yellow poly-urethane cylinder and acts to cushion
the pedal when the driver lets off. As the push rod turns the rotary adjuster it pulls on two plastic
cords (6) which are attached to the bottom of the assembly via two springs. These springs act as a return
mechanism for safety reasons, and also to make it more comfortable to hold one's foot in position on the
throttle pedal. These springs are shown in the static and full-throttle positions in the photo below:
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