Dyaco XE330D, Service Manual

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9.4 Poly-V Belt Problem
(1)
If the Poly-V Belt falls off, first remove the right chain cover and Idler Wheel Plate, and then
reinstall the Poly-V Belt. Once reinstalled, rotate at low speed to observe if the Drive Pulley or
Poly-V Belt is offset or deformed. Check if the belt pulley is offset or if the belt, Drive Pulley,
Magnetic flywheel are not aligned in a straight line. Lastly, rotate at high speed (100-200RPM) and
test with abrupt stops to check for abnormalities. If everything is ok, restore to fully assemble.
(2)
If the three parts are not aligned in a straight line, adjust the magnetic flywheel to the proper place.
Adjustments are always made to product ensuring alignment before shipment from factory.
(3) If the
Poly-V Belt is slipping, simply adjust the cap the on hook-type screw with the #13 wrench to
adjust. Refer to the disassembly procedures for adjustment.
(4)
If the Poly-V Belt worn or damaged, replace with new part.