Roland VersaCamm VS-640 Service Notes page 256

Belt leans to the rear side of the machine
-Turn the screw 2 carefully in CW to press it to the Idle Pulley
Holder.
* Make sure to have a gap of three millimeters between the
screw 1 and Idle Pulley Holder when turning the screw 2.
Tighten one of the screws that has no contact with the Idle
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Pulley Holder to slightly touch the Idle Pulley Holder.
Make sure not to tighten the screws too tight.
It may move the Idle Pulley Holder accidentally.
Tighten the two fi xing screws as shown in the fi gure.
20
Be careful with the moving Carriages during the
work, and also with the sharp edges of the mechan-
ical parts around it.
Confi rm that the belt is not touching the Pulley Flanges ex-
21
cessively.
When the belt is in improper position, adjust it again.
When it is proper, press [ENTER] key to cancel Aging.
Screw 1
Screw 2
Screws
Flange
SCAN
NOW AGING
4-58
Idle Pulley Holder
Fixing Screw
Fixing Screw
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