Reasons for Slow Brake Response

1 Answers
LeKaylee
07/25/25 9:30pm
Common reasons for slow brake response are as follows: 1. Insufficient compressed air pressure generated by the brake system. When the vehicle's air reservoir cannot store enough compressed air, the brake valve's air supply becomes insufficient. Air leaks in the brake valve pipelines or blockages in the air circuit can also result in inadequate compressed air pressure during braking. 2. Decreased braking friction torque in the wheel brake, or improper clearance between the brake drum and brake shoes. Factors such as too small contact area of the brake shoes, poor quality or oil contamination of the brake linings, loose rivets on the brake linings, out-of-round or grooved brake drums, rust or severe wear at connections like the brake camshaft and bushings or brake shoes and support pins causing excessive looseness, excessively worn brake linings, or excessive opening of the brake cam can all lead to decreased braking friction torque in the wheel brake.
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