| 1. Remove the brake drum. |
| 2. Observing care and security measures, clear all traces of brake dust from the brake drum, a brake board and blocks. |
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3. Measure thickness of overlays of brake shoes in several points. If at least one block is worn-out in any place to the minimum thickness, replace all four brake shoes. |
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4. Note the adjusting provision of all elements of a back brake. |
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5. Using flat-nose pliers, disconnect the top returnable spring of brake shoes. |
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6. Disconnect the fixing spring of the lever of a forward block and remove the fixing spring, the lever and a returnable spring from a brake shoe, noting their arrangement. |
| 7. Remove in turn the top ends of brake shoes and take an adjusting level. |
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8. Using flat-nose pliers, remove a plate of a spring of fixing of a block, pressing a plate and turning it on 90 °. |
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9. Remove a spring and take clamp pins. |
| 10. Separate a front brake shoe from the lower returnable spring and remove a brake shoe and a returnable spring. |
| 11. Using flat-nose pliers, remove on a back brake shoe a plate of a spring of fixing of a block, pressing a plate and turning it on 90 °. Remove a spring and take clamp pins. Remove a cable of the emergency brake from a brake shoe. |
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12. Do not remove at the same time brake shoes of the left and right back wheel not to mix a detail of brake shoes. Cores with a carving of adjusting levels of the left and right wheel are noted by the letters L or R, and other details are identified in color: black for the left side and silvery for the right side. |
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13. Sort and clear an adjusting level. The arrow designated a thermal clip. |
| 14. Check a condition of returnable springs and, if necessary, replace them. |
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15. If on new brake shoes there is no control lever of the emergency brake, remove it from old brake shoes and establish on new. Fix a hinged finger of a control lever of the emergency brake by a spring ring (it is specified by an arrow). |
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16. Apply a thin film of high-temperature lubricant on places of contact of brake shoes and a brake board. |
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17. Connect a cable of the emergency brake to the lever on a back brake shoe. |
| 18. Establish a block clamp pin, a spring and a plate of fastening of a spring on a back brake shoe. |
| 19. Establish the lower returnable spring on a back brake shoe and connect a spring to a front brake shoe. |
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| 20. Establish a front brake shoe on a brake board (a photo at the left), insert a block clamp pin, a spring and a plate of fastening of a spring (a photo on the right). |
| 21. Collect an adjusting level for what screw an adjusting wheel on a regulator bolt so that between a wheel and a head of a bolt there was a small gap. Insert a regulator bolt into an adjusting level. |
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22. Establish an adjusting level between brake shoes. Check that both ends of an adjusting level are correctly established on brake shoes. At the same time longer end of a fork of an adjusting level has to be directed to a brake board. |
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23. Connect a returnable spring of the adjusting lever to a forward block and the adjusting lever and install the lever on a hinged finger. Fix the adjusting lever by the fixing spring. |
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24. Check that the top parts of brake shoes are correctly installed in the piston of the working brake cylinder and establish the top returnable spring. |
| 25. Check that the reference point of a stop of the lever of the emergency brake is established against edge of a brake shoe, then install the brake drum. |
| 26. Make replacement of brake shoes on the second back wheel. |
| 27. After replacement of brake shoes adjust a gap between them and the brake drum for what 20–25 times press a brake pedal. When pressing a pedal during the normal work of an adjusting level the clicks published by an adjusting level have to be heard. |
| 28. Check and if it is necessary, adjust the emergency brake. |
| 29. Check the level of brake fluid in system. |
