Roland VersaCamm VS-640 Service Notes page 118

Fix the bottom screw temporarily through the slit on the bot-
tom of the Bed
Fix the spring.
19
Turn the Drive Gear by hand to check if the gears mesh to-
20
gether.
Tighten up the three screws to fix the Flange in the order
21
shown in the fi gure.
3-45
Spring
1
3
2