This is a centrifugal vane pump with an aluminium alloy casng and phenolic resin impeller.It is secured to the crankcase and crankshaft-driven via a poly-V belt.
THERMOSTAT
Operation
General remarks
This is fitted to the gearbox end cylinder head and maintains the engine at optimum temperature:
with temperature %lt; 87 ± 2°C, the thermostat valve (closed) directs fluid to the pump.
with temperature %lt; 87 ± 2°C, the thermostat valve (open) directs fluid to the radiator.
The engine coolant sensor fitted to the thermostat is connected to the injection control unit and control panel [DF 1056].