10. DRIVE PULLEY/DRIVEN PULLEY/CLUTCH MXU 500IRS Remove the O-rings and dust seals from the Dust Seal Dust Seal movable driven face. O-ring O-ring Grooves INSPECTION Check the driven pulley for smooth operation. If any scratches or damage is found then replace as a set. Check the torque cam grooves for wear or damage. Check guide pins and rollers for wear or damage. Guide Pins If any scratches or damage is found then replace as a set. Check the spring for damage. Measure the spring free length. Service limit: 121.3 mm (4.852 in) 10-14