1980 MACK MC SERIES RECALL - #81V088000
RECALL FOR SERVICE BRAKES, AIR : CONTROLS : HAND CONTROL/VALVE
THE RETAINING PIN FOR THE BRAKE CONTROL KNOB HAS BEEN MISALIGNED (OFF THE CENTER LINE OF THE VALVE PLUNGER HOLE). THIS CAUSES THE KNOB TO BE OVERSTRESSED AT THE RETAINING PIN HOLE AREA CAUSING IT TO SEPARATE FROM THE VALVE.
Information provided by the National Highway Traffic Safety Administration.
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| Vehicle |
1980 MACK MC SERIES |
|
| Manufacturer |
MACK TRUCKS, INCORPORATED |
| Manufactured between |
7/1/1979 - 1/1/1980 |
| Recalled on |
7/14/1981 |
| Influenced by |
MACK TRUCKS, INCORPORATED |
| Owners Notified on |
12/21/1981 |
| # Affected |
10,000 |
| Recalled for |
SERVICE BRAKES, AIR:CONTROLS:HAND CONTROL/VALVE |
|
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| Description |
THE RETAINING PIN FOR THE BRAKE CONTROL KNOB HAS BEEN MISALIGNED (OFF THE CENTER LINE OF THE VALVE PLUNGER HOLE). THIS CAUSES THE KNOB TO BE OVERSTRESSED AT THE RETAINING PIN HOLE AREA CAUSING IT TO SEPARATE FROM THE VALVE. |
| Consequences |
|
| Corrective action |
THE HOLES WILL BE RETOOLED TO PROVIDE CORRECT ALIGNMENT AND PLASTIC KNOBS WILL BE REPLACED BY KNOBS OF STRONGER MATERIAL HAVING METAL REINFORCEMENTS. |
| Notes |
VEHICLE DESCRIPTION: TRUCKS EQUIPPED WITH BRAKE CONTROL KNOBS.SYSTEM: SERVICE BRAKES; KNOB RETAINING PIN.CONSEQUENCES OF DEFECT: WITH THE KNOB BROKEN OFF, THE CONTROL VALVE WOULDBECOME DIFFICULT OR IMPOSSIBLE TO OPERATE. ONE OR A COMBINATION OF BRAKEAPPLICATIONS WOULD NOT BE POSSIBLE AND THE VEHICLE COULD BE PARKED IN AN UNSAFECONDITION. AN ACCIDENT AND PERSONAL INJURY COULD RESULT. |
| See also |
1980 MACK MC SERIES Recall for PARKING BRAKE, DRIVELINE, AIR
1980 MACK MC SERIES Recall for STRUCTURE, BODY
1980 MACK MC SERIES Recall for SUSPENSION, REAR, SPRINGS, LEAF SPRING ASSEMBLY
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