11.13.2. Replacement of blocks

Blocks should be removed from each wheel separately.


1. Remove a wheel.

2. For removal of a drum wrap bolts about special openings.

3. Remove a drum, wrapping auxiliary bolts.

4. After removal of a drum examine a brake and define the provision of details.

5. Clear brake details special liquid.

6. Remove coupling springs of blocks and the regulator.

7. Turn a cup of a clamping spring of a block.

8. Remove a spring and cups.

9. Remove a block and disconnect the lower spring.

10. Disconnect a torso of the emergency brake.

11. Similarly remove the second block then on a back brake there is a wheel cylinder and a cable.

12. Remove a lock ring and get a cable from a brake board.

13. Spread out details as their installation.
14. Assembly is carried out upside-down.
15. Grease a face surface of blocks from a board with SAE J310 N1 lubricant.
16. At installation of springs and the regulator execute the following.
17. Attach a regulator tip with the right carving to the left block, and a tip with the left carving – to right.
18. Install the regulator so that the flute was turned outside.

19. Dress a regulator spring so that the extended party was turned to a bifurcate part of the regulator.
20. Adjust a gap between blocks and a drum, having established the outer diameter of blocks of 253-253,5 mm.