IBM 6400 series Maintenance Manual page 381

9. Raise the elevator assembly.
10. Loosen the screws securing the vertical rails to the stacker base one
turn—do not remove the screws. Each rail is secured by two screws.
(See Figure 63.)
Vertical Rail
Figure 63. Loosening the Lower Screws in the Vertical Rails
Power Stacker
Screw (2)
Washer (2)
Stacker Base
Screw (2)
NOTE: Hardware exploded to show
location. Loosen, but do not remove,
these screws and washers.
Elevator
Assembly
Washer (2)
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