dinkstreet 300 i abs 1 Manuale-dofficina : Pagina 136

          12. COOLING SYSTEM                                            Downtown 300i ABS


  THERMOSTAT
  THERMOSTAT REMOVAL
  Remove the met-in box and carrier.
  Remove the body cover, center cover and
  rear
  fender cover A.
  Drain the coolant.
  Disconnect the thermosensor wire from the
  thermosensor.
  Disconnect the water hose from the
  thermostat housing.
  Disconnect the air vent tube from the
  thermostat housing.
  Remove the mounting bolt and the
  thermostat housing from the cylinder head.
                                                                Bolts

  Remove two bolts and separate the
  thermostat housing halves.
  Remove the thermostat from the thermostat        Thermosensor Wire
  housing.

  THERMOSTAT INSPECTION
  Suspend the thermostat in a pan of water
  over a burner and gradually raise the water
  temperature to check its operation.

  Technical Data
    Begins to open            71 
    Full-open                 80 
    Valve lift             3.54.5mm                          Thermostat


 · Do not make 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    Thermostat
      for about 5 minutes and holds the
      temperature at 70.                                                Thermometer


THERMOSTAT INSTALLATION
  Replace the O-ring with a new one and
    apply grease to it.


  Fill the cooling system with the specified
  coolant.

                                                                          12-12