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5.10 Drive belt tension
The flywheel V belts must be checked for tension and condition. If any belt shows
signs of wear, surface damage, shredding, excessive glazing, or have been
stretched to their limit, they must be replaced. Multiple belt drives must have all belts
replaced at the same time. Belts that are too slack will cause poor cutting
performance, excessive belt and pulley wear.
All drive belts are located under the engine cover. Tension checked at arrow shown
below. Check and set tension as follows:
1. Slacken clamp nut (6)
2. Turn adjuster nut (8) to tension belt until 4.5Kg force at the belt longest centre
span deflects by 6mm. Can be approximated by firmly gripping belt between
finger and thumb and twisting. The belt should not be able to be rotated more
than 90°
3. Tighten all lock nuts
4. Run machine and test
5. Check belt tension
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