9. DRIVE AND DRIVEN PULLEYS MXU 300/250 INSPECTION Check each weight roller for wear or damage. Measure each weight roller O.D. Service Limit (replace if below): 22.8 mm (0.912 in) Measure the movable drive face bushing I.D. Service Limit (replace if over): 27.06 mm (1.0824 in) ASSEMBLY Install the weight rollers into the movable drive face. Install the ramp plate. Check the drive pulley collar for wear or damage. Measure the O.D. of the drive pulley collar sliding surface. Service Limit (replace if below): 26.94 mm (1.0776 in) 9-7