Overtightening is the worst case for the belt and the sawmill. The belt will fatigue quickly with this setting. This will cause the belt to deform riding only on the pulley at the bottom of the belt and small area of the side. A belt set too loose will wear out quickly as the slipping causes heat to build up, which burns the belt.Ī V belt that is overtightened sits too deeply in the groove. A belt set this way will cause the blade speed to slow down in the cut because the power from the engine is not getting transferred to the blade. To find this setting for your sawmill, refer to the Drive Belt Tension Measurement Guide on this page or review in your sawmill manual.Ī V belt that is too loose will sit too high in the V groove and slip too quickly. Belt tension is set by the amount of pounds (force) it takes to move the tightened belt a set amount of inches. The only way to properly set the drive belt tension is to use a belt tension gauge (Part #016309). This position allows the belt to grip the pulley and still have some slippage if the drive gets in a bind. A properly tensioned belt will sit in the V groove of the pulley so that the sides of the belt are the only surfaces touching. The V belt transfers power from the drive pulley to the driven pulley. The drive belt used on your Wood-Mizer is a V belt design. An overtightened drive belt can cause premature wear and failure on many parts of the sawmill including cylindrical drive bearing, drive belt, and even engine failure. A loose drive belt can cause problems like wavy cuts or diving blades. Proper drive belt tension is a critical setting on your Wood-Mizer sawmill.
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