110 F2B ENGINE T RAKKER E URO 4/5 Base q November 2006 Print 603.93.641 543250 Thermostat THERMOSTAT OPERATION VIEW Figure 219 TO THE HEATER 45357 TO BY-PASS FROM THE HEAD Water circulating in the engine Figure 220 TO THE HEATER TO RADIATOR TO EXPANSION TANK FROM THE HEAD 45358 Water issuing from thermostat Check the thermostat works properly; replace it if in doubt. Temperature of start of travel 84 C 2 C. Minimum travel 15 mm at 94 C 2 C.