Thomas 1992 Service Brakes, Air recall
Recalled May 19, 1992 · NHTSA recall 92V078000 · Thomas
Hazard
ACTIVATION OF THE SPRING BRAKE SYSTEM WITHOUT OPERATORBRAKE APPLICATION WILL CAUSE THE SPRING BRAKE TO BE APPLIED, LOCKING THE BRAKESWITHOUT ANY WARNING TO THE OPERATOR.
Remedy
REPLACE AND REROUTE AIR BRAKE HOSE TO COMPLY WITH FMVSS 121.
Units
24 units
Description
A BRAKE AIR LINE PLUMBING ERROR CAUSES THE SPRING BRAKES TO BE APPLIED WITHOUT BRAKE APPLICATION WHEN THE AIR PRESSURE IN THE PRIMARY TANK DROPS TO A LEVEL WHICH AUTOMATICALLY ACTIVATES THE SPRING BRAKE SYSTEM.
What to do
REPLACE AND REROUTE AIR BRAKE HOSE TO COMPLY WITH FMVSS 121.
Product
Thomas BUS · Thomas SCHOOL BUS
Manufacturer(s)
THOMAS BUILT BUSES, INC.
Source: U.S. National Highway Traffic Safety Administration. Official recall notice on nhtsa.gov →