The A-frame cannot be rotated to the vertical position unless the outer legs are in the spread
Refer to Figure 3. 19, on the A-frame rotate panel of the interface cabinet, operate and
hold the A-frame rotate - DEPLOY pushbutton, to rotate the A-frame to the vertical
position. Make sure the DEPLOYED caption illuminates.
Make sure the hydraulic cylinders retract and pivot the A-frame out from its stowed
condition to its deployed vertical position.
Release the DEPLOY pushbutton when the A-frame is deployed vertically and the
shootbolts can be inserted.
Install the shootbolts and pin clips at the slide frame hinge point and the lower transverse
beam to lock the A-frame vertical.
Support the far bank support with the tail lift.
On the tail lift pendant, operate the LIFT UP switch to raise the tail lift platform. Make
sure the lift hydraulic cylinders extend and raise the tail lift platform until the far bank
support spreader pads are supported by the tail lift.
Tail lift pendant
Ensure all pins are fitted to A-frame hinge points in preparation for moving launcher to
Ensure that the launch vehicle is secured for movement to the bridging site.
If required close the operators panel cabinet door.