EA89033 · EA
SERVICE BRAKES, HYDRAULIC Investigation
SUMMARY:ATHEY PUBLISHED A SERVICE BULLETIN AND SUPPLEMENT DESCRIBING ADRUM TO DISC BRAKE CONVERSION.A CHECK OF THE ODI DATA BASE REVEALED AFLEET COMPLAINT PERTAINING TO FOUR UNITS.REOCCURRING PROBLEMS SUCH ASLEAKING WHEEL CYLINDERS, PREMATURELY WORN BRAKE SHOES, AND BROKEN WHEELCYLINDER PUSH RODS WERE DESCRIBED.AN IR TO ATHEY RESULTED IN ANUNSATISFACTORY RESPONSE.===