1. Lift a back part of the car and record on supports. Remove the corresponding back wheel. |
2. Release the emergency brake. |
3. Remove the brake drum. |
4. If the brake drum is not removed from a nave, check that the parking brake is completely released. |
5. If the brake drum still is not removed from a nave, it is necessary to take away from it brake shoes. It can be executed after removal of a stopper from a brake board. |
|
6. Using the narrow screw-driver through an opening in a brake board, move the lever from a cogwheel of an adjusting level and the second screw-driver, rotating a cogwheel, take away brake shoes from the brake drum. |
7. Using special liquid, clear back brake knot. |
8. Using flat-nose pliers, remove a plate of a spring of fixing of a brake shoe, pressing a plate and turning on 90 °. |
9. Remove a spring and take a fixing pin. |
10. Remove the lower returnable spring from brake shoes. |
11. Remove forward and back brake shoes and an adjusting level. |
12. Disconnect a cable of the emergency brake from the lever on a back brake shoe. |
13. Do not remove at the same time brake shoes of the left and right back wheel not to mix a detail of brake shoes. |
14. Sort and clear an adjusting level. |
15. Check a condition of returnable springs and if necessary replace them. |
16. Check a condition of the working brake cylinder and if necessary replace it. |
|
17. Apply a thin film of high-temperature lubricant on places of contact of brake shoes and a brake board. |
18. Establish an adjusting level in grooves of brake shoes and establish the top returnable spring. |
19. Establish brake shoes on a brake board. At the same time the top ends of brake shoes have to be correctly installed in the piston of the working brake cylinder. |
20. Establish the lower returnable spring of brake shoes. |
21. For fixing of blocks pass a pin through a brake shoe, establish a spring and fix a spring by a plate, pressing a plate and turning it on 90 °. |
22. Install the brake drum. |
23. Adjust a gap between brake shoes and the brake drum for what wrap a wheel of an adjusting level against the stop, and then slightly release it back. |
24. At the same time the brake drum has to be rotated freely. If the brake drum still is kept by brake shoes, still a little bit unscrew a wheel of an adjusting level back. |
25. Make replacement of brake shoes on the second back wheel. |