Safety Advisory: Manual Adjustment of Automatic Slack Adjusters May Contribute to Unexpected Brake Failure on Automotive Fire Apparatus [open pdf - 471KB]
NIOSH [National Institute for Occupational Safety and Health] recommendations that all fire departments operating fire apparatus equipped with automatic slack adjusters (ASAs) take actions to reduce the risk of fire fighters being injured in an apparatus crash due to brake failure.
DHHS (NIOSH) Publication No. 2010-102
Lessons Learned Information Sharing (LLIS)