YWZ8-315/E30A ELECTRO HYDRAILIC And DRUM BRAKE

Cars have become an essential tool for everyone to travel. Of course, automobile knowledge is essential. In order to make it easier for everyone to understand this knowledge, today, Xiaobian will tell you how to adjust the drum brake. Interested friends can learn about it, which may be helpful to you. The adjustment method of drum brake is to shrink the brake shoe, increase the gap between the brake shoe and the brake drum, and then start the brake to make the gap between the brake shoe and the brake drum reach the specified value.

When the push rod stroke of the brake air chamber is too large after the brake friction plate is worn, in order to reduce the gap between the shoe and the drum, only partial adjustment can be made by the cam. The adjustment method is: firstly, rotate the worm shaft clockwise to eliminate the gap between the brake shoe and the brake drum, and then reverse the worm shaft to make the brake shoe and the brake drum reach the specified gap. During local adjustment, do not loosen the fastening nut of the brake shoe pin, and change the installation position of the camshaft to avoid damaging the good cooperation of the shoe drum.

Adjustment of brake with automatic adjustment mechanism of shoe drum clearance;
0 Brake with self-adjusting forward braking clearance can return to the specified clearance when the braking clearance is greater than the specification during forward braking. However, when the automobile is braked for a long time or frequently, the temperature of the brake drum is high, and it expands and decreases when heated, which makes the shoe deform greatly when it is opened, and the opening amount of the shoe increases, which leads to over-adjustment. When the brake drum cools, the gap between the shoe drum becomes smaller, which will lead to abnormal brakes.

(2) For brakes with self-adjusting reversing brake clearance, when the brake clearance is greater than the specification, the specified shoe drum clearance can be restored by braking. For quick adjustment, rough manual adjustment should be made after the brake is completely modified.

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