11.13.1. Brake drums

Drums and blocks (on inserts – places of lubricant ZM ATD 8634 sealant (in the center) and SAE J310 NLGI N1 lubricant)

1. Drum
2. Spring and regulator
3. Coupling spring
4. Pins of clamping springs
5. Block
6. Tip of a cable of the emergency brake
7. Block and lever

Removal and installation
1. Lift a back part of the car.
2. Remove wheels.
3. Remove a drum, having pulled on themselves.
4. If the drum does not give in to removal, then reduce blocks for what remove a cap in a brake board, disconnect the regulator lever through an opening in a board, and rotate a regulator asterisk.
5. The drum can be shot with parts of cars, evenly wrapping bolts of M8x1,25 in special carving openings.
6. Before installation of the reel expose an initial gap between blocks and a drum (see subsection 11.13.2).


1. Check the internal diameter of a drum.
2. Check ovality, compare to standard data.
3. The manufacturer provided the maximum increase in diameter of a drum after grinding (owing to development and unevenness of wear) if this diameter after grinding is exceeded, then replace a drum.
4. Replace a drum at detection of cracks on external and internal surfaces, and also about openings under nuts.