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Automatic Slack Adjusters

How it works - general principles:


The Automatic Slack Adjuster , which incorporates the clearance sensing principle, senses the shoe clearance through a 'one way' clutch mechanism and adjusts the brake shoes by repositioning the "S" cam to maintain correct shoe clearance, automatically, at all times.


For more information on Self Adjusting Slack Adjuster (SASA) chose from the links below:


SASA Video:


SASA - Watch video  View SASA Video {For Broadband - 11MB Quicktime}

SASA - Dowload Video  Download SASA Video {20MB Quicktime file}



SASA - Working Principle  Download SASA Working Principle {PDF 1.7MB}


SASA Exploded View {Pop-up}


NOTE: Manual and self-adjusting brake adjusters are for brake adjustment and will not compensate for faulty foundation brakes.