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12:13. Replacement of brake shoes of the emergency brake on back disk brakes


Preventions

Surely you make replacement of all blocks even if the limit of wear was reached by one block.

During the work of brake shoes brake dust which contains asbestos, unhealthy therefore when cleaning brake shoes do not use compressed air is formed and do not inhale dust.


Details of the emergency brake on back disk brakes

1 – brake disk;
2 – spring;
3 – spring clamps;
4 – spring;
5 – adjusting level;
6 – front brake shoe;
7 – pin;
8 – plate;
9 – spring;
10 – rack of blocks;
11 – laying;
12 – back block;
13 – pin;
14 – springs;
15 – back support;
16 – stopper;
17 – fastening bracket;
18 – lever of the emergency brake

PERFORMANCE ORDER
1. Remove a brake disk.
2. Measure thickness of brake shoes. If thickness of an overlay of a brake shoe less than 0,8 mm, brake shoes need to be replaced.
3. Remove a nave and the hug bearing.
4. Using special liquid, clear brake shoes. 5. Disconnect a returnable spring of a back brake shoe from an anchor finger. 6. Disconnect a returnable spring from a back brake shoe.
7. Remove a returnable spring of a front brake shoe from an anchor finger. 8. Remove a returnable spring from a front brake shoe. 9. Remove a plate of a spring of fixing of a back brake shoe, pressing a plate and turning it on 90 °.
10. Remove a rack of blocks from the top part of brake shoes. 11. Remove a plate of a spring of fixing of a forward block, pressing a plate and turning it on 90 °.
12. Remove регулировоч a ny level and the lower returnable spring.
13. Remove a bracket of fastening of a hinged finger from a back brake shoe. 14. Remove the lever of the emergency brake from a back brake shoe. 15. Apply a layer of high-subjects of peraturny lubricant on a brake board in places of contact of a board with blocks.
16. Install the lever of the emergency brake on a back brake shoe and record a bracket. 17. Fix a returnable spring from a reverse side of a back brake shoe. 18. Fix a returnable spring from a reverse side of a front brake shoe.
19. Establish регулировоч a ny level between brake shoes. 20. Establish brake shoes on a brake board and establish a rack of blocks and a spring. 21. Establish a returnable spring of a front brake shoe.
22. Establish a returnable spring of a back brake shoe. 23. Establish a spring and a clamp of a back brake shoe. 24. Establish a spring and a clamp of a front brake shoe.
25. The correct arrangement of details of the emergency brake on a brake board.
26. Establish a brake disk.
27. Take a stopper from an adjusting opening of a brake disk. Rotating the screw-driver a wheel of an adjusting level, part brake shoes so that it was possible to remove a brake disk without jamming.
28. Further installation is made in the sequence, the return to removal.