IBM 6400 Series, Maintenance Manual

Page: 396 / 428

396 Power Stacker
Replacing the Timing Belts
1. Remove the stacker assembly from the printer. (See page 378.)
2. Raise the elevator assembly to its highest position and secure it to the
vertical rails using tie wraps or string. (See Figure 74.)
3. If you are removing the left timing belt, remove the shoulder screw from
the pulley at the bottom of the left vertical rail, and remove the pulley.
(See Figure 77.) Go to step 6.
4. If you are removing the right timing belt, remove the two metric Allen
screws that secure the timing belt motor to the right vertical rail. (See
Figure 77.) Go to step 5.
Stacker Base
Left Vertical Rail
Right
Metric Allen
Screws and Washers
Shoulder Screw
Bushing
Pulley
Vertical
Rail
Timing Belt
Motor
Figure 77. Removing the Timing Belt Pulley and Motor