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• Remove the click pin that secures the left wheel to the axle and slide the wheel from the axle. • Remove the four screws securing the left drive cover to the frame. Remove the drive cover. See Figure 15. Figure 15 • Holding the friction wheel assembly, slide the hex shaft out of the left side of the frame. The spacer on the right side of the hex shaft will fall and the sprocket should remain hanging loose in the chain. See Figure 16. • Lift the friction wheel assembly out between the axle shaf