mxu 250 300 2 Werkstatthandbuch : Seite 221

Microfiches
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Seite 219

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Seite 220

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Seite 222

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Seite 223

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          12. COOLING SYSTEM                                                      MXU 300/250


  THERMOSTAT INSPECTION
  Suspend the thermostat in a pan of water
  over a burner and gradually raise the water     Thermostat
  temperature to check its operation.
  Technical Data                                                        Thermometer
    Begins to open             802
    Full-open                    90
    Valve lift              3.54.5 mm




                                                               O-ring
 · Do not let the thermostat touch the pan
      as it will give a false reading.
    · Replace the thermostat if the valve
      stays open at room temperature.
    ·Test the thermostat after it is opened for
      about 5 minutes and holds the
      temperature at 70.

  THERMOSTAT INSTALLATION
  The installation sequence is the reverse of
  removal.
 Replace the O-ring with a new one and                 Thermosensor
    apply grease to it.


  Fill the cooling system with the specified
  coolant. (page 12-7)




12-15