EMERGENCY ONE AMBULANCE 1985: SERVICE BRAKES, AIR:SUPPLY:LOW PRESSURE WARNING:SWITCH
NHTSA Campaign ID Number: 88V171000
| Make | Model | Year |
|---|---|---|
| EMERGENCY ONE | AMBULANCE | 1985 |
| Date Owners Notified | Date Received by ODI | Date Added to Database |
| 1988-12-07 | 1988-11-01 | 1988-11-18 |
Production Dates: 1977-01-01 - 1988-01-01
Manufacturers Involved: E-One Incorporated
Component: SERVICE BRAKES, AIR:SUPPLY:LOW PRESSURE WARNING:SWITCH
Potential Number Of Units Affected: 71
Report Initiator: ODI ODI Report
USE OF THE AIR HORN CAN CAUSE THE AIR PRESSURE TO DROP BELOW 85 PSI.
IF AIR PRESSURE DROPS BELOW 85 PSI WHILE THE VEHICLE ISBEING DRIVEN THE REAR BRAKE SPRING CHAMBERS WILL START TO APPLY CAUSING THEREAR BRAKE DRUMS TO OVERHEAT.
INSTALL PRESSURE PROTECTION VALVES IN ALL AIR HORN CIRCUITS.
SYSTEM: AIR PRESSURE/BRAKES.VEHICLE INFORMATION: AMBULANCE UNITS WITH ROCKWELL U170 AND S170 AXLES.
