Roland VersaCamm VS-640 Service Notes page 145

Slowly pull the belt end which is not connected the new belt
12
until the new one reaches to the Belt Stay.
Check that the belt is not twisted.
Apply adequate quantity of grease (P/# : 39008297
FLOIL G 902 14KG) to pulleys.
< Left Side>
Tighten the screws as shown in the fi gure to fi x both ends of
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the Carriage Belt to the Belt Holder with the plastic plate and
metal plate.
When fi xing the Carriage Belt, make sure the ends
of the Carriage Belt are not overlapped.
Be careful with the fixing direction of the plastic
plate and the fi xing order of the plates.
< Cross-section diagram >
OK)
Carriage Belt
Tighten the Adjustment Screw to have tension on the belt.
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And tighten the two Fixing screws as shown in the fi gure.
Do not tighten the Adjustment Screw tight.
< Right Side>
Screw
Metal Plate
Plastic Plate
Belt Holder
< Cross-section diagram >
OK)
Carriage Belt
Plastic Plate
NG)
Carriage Belt
Plastic Plate
Carriage Belt
Plastic Plate
< Top view - Left side of the Belt >
Adjustment Screw
3-72
Belt Stay
Screw
Carriage Belt
Metal Plate
Belt Holder
Screw
Carriage Belt
Metal Plate
Belt Holder
Screw
Carriage Belt
Metal Plate
Belt Holder
Fixing Screw