Form No. 3354-345 Rev AChain-Drive Hex Shaft Service KitClutch-Drive Hex Shaft Service KitFor 2005 and Before Power Max® SnowthrowersModel No. 108-7317Model No. 108-7318Installation InstructionsFigure 11. Bearing retainer (2) 4. Screw 7. Roll pin 10. Hex shaft2. Bushing spacer (chain drivekit only)5. Keyway 8. Rubber friction wheel3. Sprocket 6. Square key 9. Hex trunnionInstructionsNote: In Figure 1 above, A is the chain-drive hexshaft service kit and B is the clutch-drive hex shaftservice kit.1. Disassemble the traction drive assembly.Note: Refer to service manual 492-9138.2. Remove the rubber friction wheel from theold hex shaft assembly (if you are using it withthe kit).3. Mount the rubber friction wheel on the newhex trunnion using the hardware from the oldassembly, ensuring that the rubber wheel isoriented over the trunnion.© 2005—The Toro® Company8111 Lyndale Avenue SouthBloomington, MN 55420Register at www.Toro.com. Original Instructions (EN)Printed in the USA.All Rights Reserved