Super Dump S85dc-56-250 Recalls

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NHTSA Campaign Number: 04E017000
Manufacturer: PARKER HANNIFIN CORP.
Manufactured Begin Date: November 1st, 1998
Manufactured End Date: June 30th, 2002
Date of Owner Notification: March 4th, 2004

Defect Summary:
8-INCH; FIVE STAGE TELESCOPIC CYLINDER COMMONLY REFERRED TO AS A "SUPER DUMP" MODEL # S85DC-55 AND S85DC-56 FOR USE ON LARGE FRAMED AND FRAMELESS END DUMP TRAILERS AND MANUFACTURED BETWEEN JULY 1996 AND JUNE 2002. WITH USE, THE PACKING NUT ON THE FOURTH STAGE RETAINING THE PLUNGER CAN LOOSEN, BACKING OFF THE FOURTH STAGE. THIS CONDITION, IF NOT REMEDIED, CAN CONTINUE UNTIL THE PACKING NUT BACKS COMPLETELY OFF THE STAGE. IF THIS OCCURS, THERE IS NOTHING TO RETAIN THE FIFTH STAGE (PLUNGER) IN THE ASSEMBLY.

Consequence Summary:
WHEN THE CYLINDER IS THEN EXTENDED TO ITS MAXIMUM STROKE, THE FIFTH STAGE CAN SEPARATE FROM THE CYLINDER ASSEMBLY CAUSING LOSS OF CONTROL OVER THE TRAILER, ALLOWING THE TRAILER TO FREE FALL, POSSIBLY CAUSING SERIOUS INJURY OR EVEN DEATH.

Corrective Summary:
PARKER MOBILE CYLINDER DIVISION WILL NOTIFY ITS CUSTOMERS AND PROVIDE A FIELD MODIFICATION KIT #375 1805 206 TO SECURE THE PACKING NUT IN POSITION FREE OF CHARGE. OWNER NOTIFICATION IS EXPECTED TO BEGIN MARCH 4, 2004. OWNERS WHO DO NOT RECEIVE THE FREE REMEDY WITHIN A REASONABLE TIME SHOULD CONTACT PARKER HANNIFIN AT 1-888-231-7461.

Recall Notes:
ALSO, CUSTOMERS CAN CONTACT THE NATIONAL HIGHWAY TRAFFIC SAFETY ADMINISTRATION'S AUTO SAFETY HOTLINE AT 1-888-DASH-2-DOT (1-888-327-4236).