Item Affected: SERVICE BRAKES, AIR:CONTROLS
Date Announced: 06/25/1990
Description of Recall: SECONDARY SERVICE RESERVOIR AIR CHECK VALVES MAY NOT SEAT PROPERLY DUE TO A MECHANICAL INTERFERENCE CONDITION BETWEEN A CIRCULAR BRASS GUIDE AND THE WALL OF A CYLINDRICAL FERRULE IN WHICH THE BRASS GUIDE IS INTENDED TO MOVE FREELY.
Conequence: IN THE EVENT OF PRESSURE LOSS IN THE SUPPLY RESERVOIR,A DEFECTIVE CHECK VALVE WOULD ALLOW PRESSURE EQUALIZATION BETWEEN PRIMARY ANDSECONDARY SERVICE RESERVOIRS, PRESENTING THE POTENTIAL FOR LOSS OR ABSENCE OFFRONT BRAKING ABILITY, WHICH COULD CAUSE LOSS OF CONTROL AND AN ACCIDENT.
Action Need To Fix It: INSTALL REVISED DESIGN SECONDARY SERVICE RESERVOIR CHECK VALVE COMPONENTS.
Notes: SYSTEM: AIR PRESSURE CHECK VALVES.VEHICLE DESCRIPTION: HEAVY DUTY TRUCKS AND CHASSIS CABS.
Item Affected: SERVICE BRAKES, AIR:CONTROLS
Date Announced: 06/25/1990
Description of Recall: SECONDARY SERVICE RESERVOIR AIR CHECK VALVES MAY NOT SEAT PROPERLY DUE TO A MECHANICAL INTERFERENCE CONDITION BETWEEN A CIRCULAR BRASS GUIDE AND THE WALL OF A CYLINDRICAL FERRULE IN WHICH THE BRASS GUIDE IS INTENDED TO MOVE FREELY.
Conequence: IN THE EVENT OF PRESSURE LOSS IN THE SUPPLY RESERVOIR,A DEFECTIVE CHECK VALVE WOULD ALLOW PRESSURE EQUALIZATION BETWEEN PRIMARY ANDSECONDARY SERVICE RESERVOIRS, PRESENTING THE POTENTIAL FOR LOSS OR ABSENCE OFFRONT BRAKING ABILITY, WHICH COULD CAUSE LOSS OF CONTROL AND AN ACCIDENT.
Action Need To Fix It: INSTALL REVISED DESIGN SECONDARY SERVICE RESERVOIR CHECK VALVE COMPONENTS.
Notes: SYSTEM: AIR PRESSURE CHECK VALVES.VEHICLE DESCRIPTION: HEAVY DUTY TRUCKS AND CHASSIS CABS.
Item Affected: VEHICLE SPEED CONTROL
Date Announced: 08/12/1986
Description of Recall: HAND THROTTLE CONTROLS WERE NOT IDENTIFIED EITHER ON THE CONTROL KNOB OR ON THE INSTRUMENT PANEL AS REQUIRED BY FMVSS 101. CONSEQUENCE OF DEFECT: TRUCKS ARE NOT IN COMPLIANCE WITH FMVSS 101, CONTROLS AND DISPLAYS.
Conequence:
Action Need To Fix It: WORD THROTTLE WILL BE AFFIXED ON OR ADJACENT TO THE THROTTLE CONTROL.
Notes: SYSTEM: HAND THROTTLE CONTROL IDENTIFICATION/FMVSS 101. VEHICLE DESCRIPTION: HEAVY DUTY TRUCK TYPE VEHICLES EQUIPPED WITH FLEET INSTRUCTIONS PANELS AND OPTIONAL VERNIER HAND THROTTLE CONTROLS.
