On the chest pack, move the joystick forwards to raise the A-frame and provide
clearance for the parallel modules to pass. Make sure the A-frame raise cylinders
extend and raise the A-frame to the upper sliding section.
PUSH TO STOP - TWIST TO RESET
A-frame Raise Caption
The choice of locking pinholes to be used during bridge build in the A-frame stabilizer legs
Release the joystick when the A-frame has been raised above the pre-selected hole
and insert the locking pins and R clips. (For pinhole selection, see Chapter 1 Section
A choice of two hole locations to secure the A-frame in the upper position is available.
The holes located at the lower positions are used if the launch beam slopes from the
horizontal to a higher far bank. The holes located at the upper positions are used if the
launch beam slopes from the horizontal to a lower far bank.
On the chest pack, move the joystick rearwards to lower the A-frame until it sits on the