Cooling System Bleed - PIAGGIO Beverly 300 i.e. Service Station Manual

Cooling system
- Check that the electric ventilation relay is working
properly.
WARNING
TO INDICATE THE RELAY OF THE DESIRED FUNCTION, REFER TO THE PIN-CABLE COLOUR
RELATIONSHIP WITH THE ATTACHED ELECTRIC SYSTEM DIAGRAM.
- If the relay is not working, replace it.
- If the relay is working, remove it and jump the red
- red black (85 - 86) wires. The electric ventilation
starts if the ignition switch is set to «ON» and all
components are working.
- In order to check the coolant temperature sensor, see the «Injection» chapter.
See also
Remote controls check
System bleed
- Start up the engine until the operating tempera-
ture is reached.
- Remove the rubber hood over the bleed valve
- Obtain a rubber tube that is of the right length to
connect the valve to the expansion tank
- Place one end of the pipe on the bleed valve and
the other in the expansion tank
- Loosen the screw by two turns until the commu-
nication hole is revealed with the head as shown
in the picture
- Wait until only coolant comes out of the rubber
pipe so as to eliminate any air bubbles inside the
circuit.
COOL SYS - 248
Beverly 300 i.e.