Parking brake — general information (VAZ-21011)

The mechanical drive includes lever 3 (see Fig. Parking brake drive parts), which together with the return lever is mounted on a bracket that is attached to the body floor. The return lever is connected with a pin to the front cable 2, the other end of which passes through the hole in the guide 9 of the rear cable and a nut or lock nut is screwed onto the threaded tip. The movement of the front cable is guided by roller 8.

The middle part of the rear cable passes through the groove of the guide 9, the tension of which is adjusted by a nut screwed onto the threaded end of the front cable. A spacer sleeve 10 is installed between the guide 9 and the adjusting nut.

The ends of the rear cable pass through a sheath, one end of which is attached to the brake shield, and the other is installed in the groove of the body bracket. At the rear ends of the cable there are tips, each of which is connected to the hook of lever 2 (see Fig. Rear wheel brake mechanism) manual drive of the brake shoes. This lever is hinged to the brake shoe with a finger and rests with its upper part against the groove of the expansion bar 9. The rib of the brake shoe enters the opposite groove of the bar.

When lever 3 is raised (see Fig. Parking brake drive parts) the front and rear cables are tensioned. In this case, lever 2 (see Fig. Rear wheel brake mechanism), rotating on the pin, through the spacer bar 9, it will first press one shoe to the brake drum, and then, rotating relative to the point of contact with the spacer bar and acting as a two-arm lever, it will press the other shoe to the drum.

The text is on the website: www.VazBook.ru