G3-8 MA FM 3207 - R02
7
Airplane and Systems Description
Systeme 7 - 32
Fuel is fed from the fuel tank to the electric fuel pump. This pump is a
boost pump that sets the fuel system under pressure and reliably
prevents and tendency for vapor lock.
Through the fuel shut-off valve and the firewall the fuel is routed to-
wards the fuel divider. This unit provides ports for measuring fuel
pressure and fuel flow and feeds the carburetors.
NOTE
With the fuel shut-off valve closed no fuel is fed to the
engine and the engine will fail due to fuel starvation. It is
recommended to always keep the fuel valve open. The
fuel shut-off valve is a safety item to shut off the fuel in
emergency situations and need not be closed for park-
ing or hangaring.
NOTE
In case of a low fuel pressure warning cross check with
fuel flow. As long as fuel flow gives reasonable indica-
tion, the reason for the warning is most probably found
in the fuel pressure sensor or its sensing hose. Vice
versa the same applies for the fuel flow sensor.
NOTE
It is recommended to keep the electric fuel pump
switched on during the entire flight.
NOTE
Service with permitted fuel grade only and regularly
drain the aircraft fuel system
For further information see maintenance manual section 12.
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