On the working surface of the drum there should be no burrs or deep scratches. Otherwise, replace the drum or machine its working surface on a lathe. After turning, grind the surface with fine-grained abrasive stones, the diameter of the drum should not exceed 201 mm. Replace the drum if cracks are found in it.
1. Engage 1st gear and place chocks under the front wheels.
2. The parking brake lever must be pushed all the way down (the car is disinhibited).
3. Remove the wheel and clean the brake mechanism from dirt.
4. Turn out two adjusting pins.
5. Apply WD-40 to the hub and wait a few minutes to clean off dirt and rust.
6. Remove the drum from the hub with a rubber or polymer hammer.
7. Remove the drum from the hub. If this fails, knock it down with a rubber mallet or..
8....compress by evenly driving pins or suitable bolts into the two threaded holes in the drum.
9. When installing the old drum, use a file to remove the shoulder on the working surface of the drum, formed as a result of wear.
10. Install the drum in the reverse order of removal. Pre-lubricate the seating belt of the hub with graphite grease or LSC-15 grease and bring the pads together using two mounting spatulas.
11. Check the ease of rotation of the wheel. Easy touching of the drum on the pads is allowed.
12. With the car standing on the ground, press the brake pedal two or three times to bring the shoes to the drum.