Automatic slack adjuster

1. Keeping automatically a constant clearance between the brake drum and the linings guarantees the braking's safety and reliability.

2. Short movement of brake pump's pushrod leads to prompt and effective brake.

3. To reduce wastage of the compressed air and prolong the life of air-compressor, brake pump and other parts in air compressed system...

4. To grant wheels a steady and identical brake.

5. No manual adjustment needed, easier mount and less maintenance and more economic.

6. The parts are protected by the adjuster shell against moisture, dirty and being crashed.