Suspension: multiple axle
- Component
- Suspension: multiple axle
- Manufacturer
- OSHKOSH TRUCK CORPORATION
- Vehicles affected
- 176
- Reported to NHTSA
- 1984-09-21
- Owners notified
- 1984-09-14
Defect description
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.
Manufacturer remedy
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.