COLLINS AMBULANCE 1986: SERVICE BRAKES, AIR:SUPPLY:LOW PRESSURE WARNING

Make : COLLINS Model : AMBULANCE Year : 1986
Build Dates : 1977-01-01 - 1988-01-01
NHTSA CAMPAIGN ID Number : 88V171000
Date Owner's Notified: 1988-12-07 Date Received by ODI: 1988-11-01 Date Added to Database: 1988-11-18
Manufacturers Involved: E-One Incorporated
Manufacturer's Responsible for the Recall:
Manufacturer Campaign Number:
Component: SERVICE BRAKES, AIR:SUPPLY:LOW PRESSURE WARNING
Potential Number Of Units Affected : 71
Summary:
      USE OF THE AIR HORN CAN CAUSE THE AIR PRESSURE TO DROP BELOW 85 PSI.
Consequence:
      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.
Remedy:
      INSTALL PRESSURE PROTECTION VALVES IN ALL AIR HORN CIRCUITS.
Report Initiator: ODI V Report
Regulation Part Number: Federal Motor Vehicle Safety Standard Number:
Notes:
      SYSTEM: AIR PRESSURE/BRAKES.VEHICLE INFORMATION: AMBULANCE UNITS WITH ROCKWELL U170 AND S170 AXLES.