SUPERIOR FD211C 1974: WHEELS:LUGS/NUTS/BOLTS/STUDS
NHTSA Campaign ID Number: 74V134000
| Make | Model | Year |
|---|---|---|
| SUPERIOR | FD211C | 1974 |
| Date Received by ODI | Date Added to Database | |
| 1974-08-23 | 1979-10-12 |
Manufacturers Involved: SUPERIOR TRLR WORKS CORP.
Component: WHEELS:LUGS/NUTS/BOLTS/STUDS
Potential Number Of Units Affected: 19
Report Initiator: MFR MFR Report
SUPERIOR TRAILER WORK CAMPAIGN NO N/A.TRAILER.POSSIBILITY THAT THE BACKNUTS THAT ATTACH THE WHEEL STUDS TO THE BRAKE DRUM-HUB ASSEMBLY MAY BEINPROPERLY INSTALLED.THE BACK NUTS ARE OF A SELF LOCKING TYPE HAVING SIXRADIAL SLOTS EXTENDING APPROXIMATELY ONE HALF THE DEPTH OF THE NUT.IFIMPROPERLY INSTALLED THE SLOTTED END WILL BEAR AGAINST THE INSIDE OF THE BRAKEDRUM, AND IF AN EXCESSIVE TIGHTENING TORQUE WERE APPLIED, THE NUT COULD SPREADOPEN AND BREAK LOOSE FROM THE STUD.'CORRECT BY INSPECTING AND REPLACING WITHNEW NUTS INSTALLED PROPERLY'.
