Roland VersaCamm VS-640i Service Notes page 113

Fix the spring.
20
Turn the Drive Gear by hand to check if the gears mesh to-
21
gether.
Tighten up the three screws to fix the Flange in the order
22
shown in the fi gure.
Turn the Drive Gear by hand for short steps back and forth to
23
check if there is no backlash all the way around.
Apply a proper quantity of grease (FLOIL G902) to
gears of the motor and Drive Gear.
3-49
Spring
1
3
2