10. DRIVE PULLEY/DRIVEN PULLEY/CLUTCH MXU550EXi/MXU500i INSPECTION Weight rollers Check each roller for wear or damage. Measure outside diameter. Service limit: 29.5 mm (1.18 in) Movable drive face/Slide pieces/Drive pulley face Check the slide pieces and movable drive face splines for wear, cracks or damage. Check the ramp plate for cracks or damage. Check the movable drive face and drive pulley face cracks or damage. 10-10