Choosing a Manual Slack Adjuster

Whether you are looking for a manual or automatic slack adjuster, there are a number of factors to consider. Choosing a quality product will help ensure that your vehicle's brakes work effectively and last for a long time. It also will help to lower the cost of owning your vehicle.
When choosing a slack adjuster, make sure it has a high-temperature waterproof lubricant. This lubricant should be free of abrasives and should have a smooth texture.
In addition, most manual slack adjusters have a spring-loaded locking sleeve. This sleeve has teeth that mesh with internal teeth to secure the adjusting bolt. If the sleeve is missing, the slack adjuster will not function properly.
Slack adjusters are designed to maintain consistent shoe-to-drum clearance. This maximizes the life of the lining. It minimizes problems with DOT roadside inspections. However, improper installation can cause over-stroking of the brakes.
When repairing or replacing a slack adjuster, use the proper tool and a qualified mechanic. Failure to perform these repairs safely can result in accidents and other hazards.
When examining the slack adjuster, be sure to check the length of the arm. The length is determined by the distance between the center of the big gear at the bottom of the slack adjuster and the small pin at the end of the arm.
If a slack adjuster is out of adjustment, it will cause the pushrod to pull out of the air cylinder. If this happens, it is necessary to perform an adjustment.
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