MACK MS200P 1981: VISIBILITY:DEFROSTER/DEFOGGER SYSTEM:WINDSHIELD:BLOWER

Make : MACK Model : MS200P Year : 1981
Build Dates : 1979-09-01 - 1981-08-01
NHTSA CAMPAIGN ID Number : 81V157000
Date Owner's Notified: 1982-08-12 Date Received by ODI: 1981-12-29 Date Added to Database: 1982-01-08
Manufacturers Involved: Mack Trucks, Inc.
Manufacturer's Responsible for the Recall:
Manufacturer Campaign Number:
Component: VISIBILITY:DEFROSTER/DEFOGGER SYSTEM:WINDSHIELD:BLOWER
Potential Number Of Units Affected : 4920
Summary:
      WHEN THE IGNITION KEY IS IN THE "ON" POSITION AND THE HEATER IS OPERATING AT THE "LOW" OR "MEDIUM" SETTING, THE HEATER SWITCH WIRING WILL OVERLOAD IN THE EVENT THE HEATER MOTOR SEIZES.
Consequence:
     
Remedy:
      A SPEED VARIATION RESISTANCE UNIT AND AN ELECTRIC MOTOR MOISTURE PROTECTION CAP WILL BE INSTALLED WITHOUT CHARGE.
Report Initiator: MFR V Report
Regulation Part Number: Federal Motor Vehicle Safety Standard Number:
Notes:
      VEHICLE DESCRIPTION: TRUCKS.SYSTEM: HEATING; CAB HEATER MOTOR, ELECTRICAL SWITCH.CONSEQUENCES OF DEFECT: IF THE VEHICLE IS STANDING STILL 'PARKED OR STOPPED INTRAFFIC' HEAT GENERATED BY THE OVERLOAD MAY MELT AND IGNITE THE SURROUNDINGPLASTIC HOUSING AND WIRE COVERING. A FIRE COULD SPREAD QUICKLY THROUGHOUT THECAB, CAUSING SERIOUS INJURY TO VEHICLE OCCUPANTS.NOTE: OWNER IS ADVISED TO MAKE SURE HEATER/DEFROSTER FAN MOTOR IS FUNCTIONALBEFORE USING CAB HEATER PRIOR TO REPAIR. HEATER/DEFROSTER BLOWER SHOULD NOT BEUSED IN "LOW" OR "MEDIUM" SPEEDS WHILE THE VEHICLE IS STOPPED OR ENGINE ISIDLING.