Figure 6
COOLING SYSTEM
The engine cooling system, closed circuit forced circulation
type, generally incorporates the following components:
- Expansion tank; placement, shape and dimensions are
subject to change according to the engine’s equipment.
- Radiator, which has the duty to dissipate the heat
subtracted to the engine by the cooling liquid. Also this
component will have specific peculiarities based on the
equipment developed, both for what concerns the
placement and the dimensions.
- Visc pusher fan, having the duty to increase the heat
dissipating power of the radiator. This component as well
will be specifically equipped based on the engine’s
development.
- Heat e
chan
er to cool the lubrication oil: e
en this
component i s part of the engine’s specific equipment.
- Centrifugal water pump, placed in the front part of the
engine block.
- Thermostat regulating the circulation of the cooling liquid.
- The circuit may eventually be extended to the
compressor, if this is included in the equipment.
Water coming out from thermostat
Water recirculating in engine
Water coming into pump
COOLING SYSTEM LAYOUT
FROM RADIATOR
TO RADIATOR
03241t
8
SECTION 1 - GENERAL SPECIFICATIONS
NEF ENGINES
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