Decrease the speed and increase the power of a machine using the MC-SCR Power System by a factor of at least two. This upgrade replaces the original balance wheel on the machine with a much larger one. The normal v-belt drive system is also replaced with a cogged timing belt that absolutely prevents slippage.
For sewing machines mounted in an Industrial Power Stand or the Porta-Base using Sailrite’s MC-SCR Power System. The pulley that fits on the MC-SCR motor is a 21 tooth 3/8" ID pulley
This upgrade kit includes a "PowerPlus" balance wheel with an appropriate adaptor bushing, a cogged drive belt of the appropiate length, and a replacement motor pulley to accomodate the new cogged belt.