TM-5-5420-279-10
4.3.3.3
Press the A-frame Fold DEPLOY button only when the A-frame hinge pins have
been removed.
4.3.3.4
Make sure the area on either side of the launcher is clear of personnel and press the
A-frame DEPLOY button.
4.3.3.5
Make sure the A-frame folding cylinders extend and pivot both outer A-frame legs
outwards about the upper and lower A-frame cross members to their deployed
positions.
4.3.3.6
Ensure that the A-frame DEPLOY lamp illuminates and that the A-frame PARKED
lamp extinguishes.
4.3.3.7
Release the DEPLOY pushbutton when the outer A-frame legs are fully spread.
4.3.3.8
Install the locking pins and their R clips in the outer A-frame legs at the upper and
lower cross member hinge points to lock the legs in the spread position. The longer
of the two pins being inserted from front to rear in the lower cross member, the short
pin being inserted from front to rear in the upper cross member.
NOTE
The A-frame cannot be rotated to the vertical position unless the outer legs are in the
spread position. Ensure that the A-Frame shootbolts on the lower cross member are
retracted.
4.3.3.9
On the A-frame rotate panel of the interface enclosure, operate and hold the A-Frame
Rotate - DEPLOY pushbutton, to rotate the A-frame to the vertical position. Make
sure the DEPLOYED caption illuminates.
4.3.3.10
Make sure the hydraulic cylinders retract and pivot the A-frame out from its stowed
condition to its deployed vertical position.
4.3.3.11
Release the DEPLOY pushbutton when the A-frame is deployed vertically.
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