Disassembling the Drive Systemg343595Figure 1991. Carriage screw (2 used) 9. Idler spring 17. Drive pulley2. Carriage screw (3 used) 10. Pivot washer 18. Spacer3. Brush plate 11. Drive belt 19. Flange bushing4. Cap screw (2 used) 12. Idler pulley 20. Cover5. Flat washer (4 used) 13. Retaining ring 21. Flange nut (2 used)6. Lock nut (6 used) 14. Bearing 22. Set screw (top of cover only)7. Idler arm 15. Shoulder screw8. Idler spacer 16. Flange head screwNote: Drive components for the rear roller brush are located on the opposite sideof the cutting unit from the cutting reel motor. Figure 199 shows componentsused when the brush drive is on the left side of the cutting unit.Note: The Installation Instructions for the rear roller brush kit has detailedinformation regarding assembly and adjustment. Use those Instructions alongwith this Service Manual when servicing the rear roller brush.1. Position machine on a clean and level surface, lower cutting units, stopengine, engage parking brake and remove key from the key switch.2. Remove cover (item 20) to access rear roller brush drive components.3. Remove roller brush drive components as necessary using Figure 199 asa guide.Reelmaster® 3100-D/3105-D Page 8–43 DPA Cutting Units: Service and Repairs20252SL Rev A