DORSEY DGTH-45 1993: SERVICE BRAKES, AIR:SLACK ADJUSTERS

General Information

NHTSA Campaign ID Number: 93V133000

Make Model Year
DORSEY DGTH-45 1993
Date Owners Notified Date Received by ODI Date Added to Database
1993-08-03 1993-08-11 1993-08-13

Production Dates: 1992-12-01 - 1993-01-01

Manufacturers Involved: DORSEY CORPORATION

Component: SERVICE BRAKES, AIR:SLACK ADJUSTERS

Potential Number Of Units Affected: 50

Report Initiator: ODI ODI Report

Summary

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.

Consequence

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.

Remedy

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.

Notes

SYSTEM: BRAKES; AIR.VEHICLE DESCRIPTION: 45 FOOT TANDEM AXLE PLATFORM TRAILERS.