OSHKOSH: S SERIES: SUSPENSION:MULTIPLE AXLE
| NHTSA Campaign Number: | 84V110000 |
| Vehicle/Equipment Make: | OSHKOSH TRUCK CORPORATION |
| Vehicle/Equipment Model: | S SERIES |
| Model Year: | 1980 |
| Manufacturer Component Description: | SUSPENSION:MULTIPLE AXLE |
| Manufacturers Involved in Recall: | OSHKOSH CORPORATION |
| Manufacturered: | 19771101 - 19840901 |
| Type of Report: | V (Vehicle, Equipment or Tire) |
| Potential Number of Units Affected: | 176 |
| Date Owner Notified By Manufacturer: | 19840914 |
| Recall Initiated By: | MFR |
| Manufacturer Responsible For Recall: | OSHKOSH TRUCK CORPORATION |
| Report Received Date: | 19840921 |
| Record Creation Date: | 19841010 |
Defect Summary:
THESE TRUCKS WERE EQUIPPED WITH DEFECTIVE HYDRAULIC PRESSURE SWITCHES IN THE LOAD SPAN TAG SYSTEM. WHEN A MALFUNCTION IN THIS SYSTEM OCCURS, AXLE TO PAVEMENT PRESSURE INCREASES WHEN VEHICLE IS OPERATED IN AN UNLOADED CONDITION.
Corrective Summary:
THE EXISTING CONTROL SWITCH WILL BE REPLACED WITH A THREE-POSITION SWITCH WHICH, BY USE OF A NEUTRAL POSITION, WILL PREVE NT PRESSURE BUILDUP. A NEW OPERATION LABEL WILL ALSO BE INCLUDED.
Notes:
VEHICLE DESCRIPTION: HEAVY TRUCKS EQUIPPED WITH "LOAD SPAN TAG AXLES".SYSTEM: SUSPENSION; TAG AXLE.CONSEQUENCES OF DEFECT: THIS INCREASE IN PRESSURE CAN REDUCE BRAKING POWER ANDSTEERING CONTROL, POSSIBLY RESULTING IN AN ACCIDENT.