1991 Seagrave 6T09 - (38 vehicles affected) - Campaign #92V054000
SUMMARY:
SUSPENSION:FRONT:SPRINGS:AIR SUSPENSION SYSTEM
DESCRIPTION:
CRACKS HAVE DEVELOPED IN THE LOWER BEAM ASSEMBLIES AND THE SWAY BAR MOUNTING BRACKET ON THE RIDEWELL SUSPENSIONS USED TO INSTALL THE TILLER AXLE.
CONSEQUENCE:
IF THE CRACKS ARE NOT DETECTED AND REPAIRED, THE TILLERAXLE MAY SEPARATE FROM THE MOUNTING BRACKET AND MOVE EITHER SIDEWAYS OR FORE ANDAFT IN THE CHASSIS, COMING IN CONTACT WITH BODY COMPONENTS AND IMPAIRINGSTEERING CAPABILITY. LOSS OF STEERING CAPABILITY CAN LEAD TO A VEHICLE ACCIDENT.
CORRECTIVE ACTION:
MODIFY THE RIDEWELL SUSPENSION HANGER RAIL ASSEMBLIES AND REPLACE THE TWO LOWER BEAM ASSEMBLIES TO INSURE THE TILLER AXLE WILL NOT SEPARATE FROM THE BRACKETS.
NOTES:
SYSTEM: SUSPENSION.VEHICLE DESCRIPTION: TRACTOR DRAWN AERIAL LADDER FIRE UNITS EQUIPPED WITHRIDEWELL AIR SUSPENSIONS.