THE AIR LINE CONNECTIONS WERE INCORRECTLY INSTALLED ON THESE TRAILERS CAUSING THE AIR BRAKE APPLICATION AND RELEASE TIMES TO BE SLOWER THAN REQUIRED BY FMVSS NO. 121, AIR BRAKE SYSTEMS.
THE AIR LINE CONNECTIONS WERE INCORRECTLY INSTALLED ON THESE TRAILERS CAUSING THE AIR BRAKE APPLICATION AND RELEASE TIMES TO BE SLOWER THAN REQUIRED BY FMVSS NO. 121, AIR BRAKE SYSTEMS.
THE AIR LINE CONNECTIONS WERE INCORRECTLY INSTALLED ON THESE TRAILERS CAUSING THE AIR BRAKE APPLICATION AND RELEASE TIMES TO BE SLOWER THAN REQUIRED BY FMVSS NO. 121, AIR BRAKE SYSTEMS.
THE LOWER FLANGE OF THE KING PIN CAN CRACK. THIS COULD CAUSE COUPLER SEPARATION.
IRON PARTICLES INSIDE THE WHEEL HUBS COULD CREATE FRICTION CAUSING THE BEARING TO OVERHEAT.
A RESILIENT WASHER MAY DROP OUT, CAUSING THE BOLTING ATTACHMENT OF THE AIR RESERVOIR TO THE FRAME TO BECOME LOOSE. DUE TO VIBRATION, THE BOLT COULD EVENTUALLY WEAR THROUGH, ALLOWING THE RESERVOIR TO DROP DOWN ON EITHER END. THIS CONDITION COULD EVENTUALLY CAUSE ONE OF SEVERAL AIR LINES TO WEAR THROUGH OR SEVER.
A RESILIENT WASHER MAY DROP OUT, CAUSING THE BOLTING ATTACHMENT OF THE AIR RESERVOIR TO THE FRAME TO BECOME LOOSE. DUE TO VIBRATION, THE BOLT COULD EVENTUALLY WEAR THROUGH, ALLOWING THE RESERVOIR TO DROP DOWN ON EITHER END. THIS CONDITION COULD EVENTUALLY CAUSE ONE OF SEVERAL AIR LINES TO WEAR THROUGH OR SEVER.
A RESILIENT WASHER MAY DROP OUT, CAUSING THE BOLTING ATTACHMENT OF THE AIR RESERVOIR TO THE FRAME TO BECOME LOOSE. DUE TO VIBRATION, THE BOLT COULD EVENTUALLY WEAR THROUGH, ALLOWING THE RESERVOIR TO DROP DOWN ON EITHER END. THIS CONDITION COULD EVENTUALLY CAUSE ONE OF SEVERAL AIR LINES TO WEAR THROUGH OR SEVER.
A RESILIENT WASHER MAY DROP OUT, CAUSING THE BOLTING ATTACHMENT OF THE AIR RESERVOIR TO THE FRAME TO BECOME LOOSE. DUE TO VIBRATION, THE BOLT COULD EVENTUALLY WEAR THROUGH, ALLOWING THE RESERVOIR TO DROP DOWN ON EITHER END. THIS CONDITION COULD EVENTUALLY CAUSE ONE OF SEVERAL AIR LINES TO WEAR THROUGH OR SEVER.
A RESILIENT WASHER MAY DROP OUT, CAUSING THE BOLTING ATTACHMENT OF THE AIR RESERVOIR TO THE FRAME TO BECOME LOOSE. DUE TO VIBRATION, THE BOLT COULD EVENTUALLY WEAR THROUGH, ALLOWING THE RESERVOIR TO DROP DOWN ON EITHER END. THIS CONDITION COULD EVENTUALLY CAUSE ONE OF SEVERAL AIR LINES TO WEAR THROUGH OR SEVER.