PROJECTILE RACK OPERATION - Continued
14. If only one rack assembly is to be moved, leave hoisting hook attached for ,
added support. If right rack assembly has been moved-and left rack assembly
must also be moved, relocate lifting fixture (hoist, beam and trolley) to left side
of roof. Repeat steps 6 through 13 for left rack assembly.
When installing both rack assemblies, Install left rack
Position hoist (3), beam (1) and trolley (2) over rack assembly to be moved,
engaging block (4) and pin (5) with beam support legs.
Use hoist (3) and trolley (2) to position rack assembly onto rack-restraint pins
(13) and floor pins (14). Secure rack assembly by installing bottom connect-
ing rods (12).
Repeat steps 15 and 16 for right rack assembly, if necessary.
If left rack assembly is installed, secure its upper portion with angle (9),
spacer (10), two flat washers (8), two Iockwashers (7) and two screws (6).
Remove hoisting hook and beam, and stow beam, trolley and hoist,
Close top doors (p 2-133 and 2-134).