Dorsey Recall 93V133000: Service Brakes, Air, Slack Adjusters
NHTSA recall 93V133000 · announced August 11, 1993 · filed by Dorsey Trailers, Inc. · 50 units affected
The problem
IMPROPER INSTALLATION OF EATON AUTOMATIC SLACK ADJUSTER ON EATON AXLES EQUIPPED WITH AIR OPERATED S-CAM BRAKES. THE SLACK ADJUSTER "FIXED ANCHOR BRACKET", WHICH TRIGGERS THE AUTOMATIC BRAKE ADJUSTMENT, WAS IMPROPERLY LOCATED. THE IMPROPERLY LOCATED ANCHOR BRACKET CAN DAMAGE THE AUTOMATIC SLACK ADJUSTER CONTROL ARM AND CAUSE THE SLACK ADJUSTER TO FAIL TO PERFORM THE MECHANICAL ADJUSTMENT FUNCTION FOR WHICH IT WAS DESIGNED.
The risk
FAILURE TO CORRECTLY ADJUST THE SLACK CAUSES THE BRAKESTO BECOME OUT-OF-ADJUSTMENT AND RESULTS IN REDUCED BRAKING POWER, INCREASEDSTOPPING DISTANCES, AND A POSSIBLE ACCIDENT.
What to do
REMOVE THE ANCHOR BRACKET, INSPECT THE SLACK ADJUSTER, AND REPLACE IT IF DAMAGED, INSTALL THE ANCHOR BRACKET IN THE PROPER LOCATION, AND ADJUST THE BRAKES.
Official NHTSA recall notice →
Notes
SYSTEM: BRAKES; AIR.VEHICLE DESCRIPTION: 45 FOOT TANDEM AXLE PLATFORM TRAILERS.
Vehicles covered by this recall
Source: National Highway Traffic Safety Administration public recall data. This page reports official records and is not legal, medical, or repair advice.