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70 BRAKES 16 REPAIR TRANSMISSION BRAKE SHOES Service repair no - 70.45.18 Remove 1. Park vehicle on level ground, chock road wheels and release handbrake. Alternatively, raise 2. Disconnect rear propeller shaft from transmission output flange at brake drum. 3. Slacken off transmission brake drum adjustment bolt. 4. Remove single screw securing brake drum to output flange. 5. Withdraw drum to expose brake assembly. shoes, see J6337. 7. Grip dished washer with a pair of pliers, depress washer and turn through 90 ° . 8. Remove dished washer, complete with hold down spring and pin from both shoes. 9. Move brake shoes out from adjuster slides, release from abutment plate and remove from 10. Check that springs are satisfactory for continued use. If new brake shoes are to be fitted, the Refit 11. Locate RH brake shoe in slide and secure brake shoe and lever assembly to backplate with hold 12. Locate LH brake shoe in slide and fit abutment plate between both brake shoes. Secure LH 13. Fit pull-off springs to brake shoes. 25 Nm (18 lbf/ft). 15. Check that hand brake lever is released. drum will not rotate by hand. 17. Tighten adjuster bolt to 25 Nm (18 lbf/ft) to ensure brake drum is locked. 18. Slacken off adjuster bolt by 1.5 turns to give shoes a running clearance. Check that the drum 19. Fit propeller shaft to output flange. Tighten fixings to 46 Nm (34 lbf/ft). 20. Remove wheel chocks and check operation of handbrake. |