Roland VersaCamm VS-640 Service Notes page 254

Tighten the two Fixing Screws for the bottom of the screw
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head to slightly contact with the Stay.
Confi rm that the belt is not touching the pulley anges exces-
12
sively.
When the belt is in improper position, adjust it again.
When it is proper, leave the belt aging on, and go to the fol-
lowing [ADJUSTMENT ON THE IDLE PULLEY SIDE].
[ADJUSTMENT ON THE IDLE PULLEY SIDE]
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Confi rm the position of the belt.
The position is proper when the belt is not touching the
Flanges excessively. When the position is proper, close this
BELT POSITION ADJUSTMENT. When it is improper, make
adjustment as follows.
Belt partly touching the Flange is acceptable.
Press [ENTER] key to cancel Aging.
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Fixing Screw
<Top view(L)>
Flange
SCAN
NOW AGING
4-56
Flange
[ ]