10. DRIVE PULLEY/DRIVEN PULLEY/CLUTCH MXU 500IRS DRIVEN PULLEY DISASSEMBLY/INSPECTION/ Spring Compressor Nut ASSEMBLY Compressor Nut Nut Wrench DISASSEMBLY Remove the driven pulley (refer to the "DRIVE PULLEY AND DRIVEN PULLEY REMOVAL/INSTALLATION" section in this chapter). Use the special tool to remove the nut. Special tool: Driven pulley spring compressor A120E00059 Bolt Block Nut Bolt Install the block and bolts, then tighten the bolts. Attach the block, nut wrench and spring compressor to the driven pulley assembly. Place the block in a vise and secure it. Tighten the spring compressor nut and compress the spring. Loosen the nut with the nut wrench. Remove the nut. Remove the spring compressor and nut wrench. Guide Pins/rollers Driven Face Remove the spring seat on the spring and spring. Remove the spring collar on the movable driven face. Remove the four guide pins/rollers, then remove the movable driven face. Nut Spring Seat Spring Spring Collar Movable Driven Face 10-13