Rear drum brake mechanism (diameter - 230 mm)
1 – brake shield; 2 – plug; 3 – working hydraulic cylinder; 4 – brake cylinder mounting bolts; 5 – rear brake shoe with parking brake lever (in the direction of movement); 6 – brake shoe friction lining; 7 – brake lining rivet; 8 – front brake shoe (in the direction of movement); 9 – brake pad spacer; 10 – self-installation wedge; 11 – wedge spring; 12 – upper spring of the shoe; 13 – vertical wedge spring; 14 – lower shoe spring; 15 – large shaped nails for fastening the shoe to the brake shield; 16 – spring; 17 – spring retaining plate
Fastening the end of the parking brake cable to the rear brake shoe spacer lever
The drum of the drum-shoe brakes of the rear wheels is made of gray cast iron. Asbestos-free friction linings are riveted to the shoes, each with ten rivets.
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The parking brake is integrated into the brake mechanism mounted on the brake shoe holder. The brake clearance is adjusted automatically.
Before disassembling the brake drum, it is necessary to return the self-installation wedge to its original (upper) position by lifting it with a screwdriver inserted into the threaded hole in the drum.