DFVPD: SERVICE BRAKES, AIR:SUPPLY:HOSES, LINES/PIPING, AND FITTINGS

Go Back To 1994 DORSEY CORPORATION Directory

NHTSA Campaign Number:	93V151000
Vehicle/Equipment Make:	DORSEY
Vehicle/Equipment Model:	DFVPD
Model Year:	1994
Manufacturer Campaign Number:
Manufacturer Component Description:	SERVICE BRAKES, AIR:SUPPLY:HOSES, LINES/PIPING, AND FITTINGS
Manufacturers Involved in Recall:	DORSEY TRAILERS, INC.
Manufacturered:	19930301 - 19930801
Type of Report:	V (Vehicle, Equipment or Tire)
Potential Number of Units Affected:	979
Date Owner Notified By Manufacturer:	19930909
Recall Initiated By:	19930909
Manufacturer Responsible For Recall:	DORSEY CORPORATION
Report Received Date:	19930915
Record Creation Date:	19930921
Regulation Part Number:
Federal Motor Vehicle Safety Standard Number:
Defect Summary:	IMPROPER ROUTING OF THE AIR BRAKE HOSES FROM THE BRAKE VALVES TO THE BRAKE CHAMBERS OF THE AIR OPERATED S-CAM BRAKES CAN CAUSE THE HOSES TO CHAFE OR BE CUT ON THE TRAILER FRAME.
Consequence Summary:	SERVICE BRAKE HOSE CHAFING OR CUTTING CAN CAUSE REDUCTIONOR LOSS OF SERVICE BRAKES WITHOUT PRIOR WARNING TO THE DRIVER. A VEHICLE CRASHCAN OCCUR AS A RESULT OF THE MALFUNCTIONING SERVICE BRAKES. ALSO, IF A SPRINGBRAKE HOSE IS CUT, THE SPRING BRAKE DRAG OCCURS, WHICH REDUCES THE EFFECTIVENESSOF THE SERVICE BRAKES, AND CAUSES BRAKE COMPONENTS TO OVERHEAT TO THE POINT OFIGNITING THE UNDERCOATING AND BURNING THE TRAILER. THIS CAN ALSO CAUSE WHEELLOCKUP WHICH COULD RESULT IN A VEHICLE CRASH.
Corrective Summary:	CHAFFED BRAKE HOSES WILL BE REPLACED, AND THE BRAKE HOSE ROUTING AND BRAKE CHAMBER INSTALLATION WILL BE MODIFIED TO ELIMINATE THE BRAKE HOSE CHAFFING PROBLEM.

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