| NHTSA Campaign Number: |
04V171000 |
| Vehicle/Equipment Make: |
MAC |
| Vehicle/Equipment Model: |
TRAILER |
| Model Year: |
2004 |
| Manufacturer Campaign Number: |
|
| Manufacturer Component Description: |
EQUIPMENT:MECHANICAL |
| Manufacturers Involved in Recall: |
MAC TRAILER MFG., INC. |
| Manufacturered: |
19980421 - 20040328 |
| Type of Report: |
V (Vehicle, Equipment or Tire) |
| Potential Number of Units Affected: |
310 |
| Date Owner Notified By Manufacturer: |
|
| Recall Initiated By: |
|
| Manufacturer Responsible For Recall: |
MAC TRAILER MFG., INC. |
| Report Received Date: |
20040408 |
| Record Creation Date: |
20040419 |
| Regulation Part Number: |
|
| Federal Motor Vehicle Safety Standard Number: |
|
| Defect Summary: |
ON CERTAIN FRAME AND FRAMELESS DUMP TRAILERS, THE 8-INCH FIVE STAGE TELESCOPIC CYLINDER COMMONLY REFERRED TO AS A "SUPER DUMP", 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 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 DEATH. |
| Corrective Summary: |
PARKER HANNIFIN WILL PROVIDE A FIELD MODIFICATION KIT #375 1805 206 TO SECURE THE PACKING NUT IN POSITION FREE OF CHARGE. OWNERS WHO DO NOT RECEIVE THE FREE REMEDY WITHIN A REASONABLE TIME SHOULD CONTACT PARKER HANNIFIN AT 1-888-231-7461 OR MAC TRAILER AT 330-823-9190. |
