Fuel System; Description Of System - Rotax 914 F Installation Manual

14) Fuel system

14.1) Description of system

See Ill. 30.
The fuel flows from the tank via a coarse filter/water trap Q to the two electric fuel
pumps W connected in parallel. From the pumps fuel passes on via the fuel pressure
control E to the two carburetors.
Via the return line T surplus fuel flows back to the fuel tank and suction side of fuel
system.
NOTE:
On the standard version of the engine the fuel lines from fuel pressure control to the
carburetors have already been laid.
The fuel system from tank to the fuel pressure control has to be installed by the aircraft
builder.
The fuel system includes the following items:
3
Only the following connections per Ill. 30 have to be established:
Feeding lines to suction side of the electric fuel pumps W
lines from pressure side of the electric fuel pump to inlet of fuel pressure control
E
Returnline from fuel pressure control to oil tank
Date
Page
1996 05 10
48
The fuel pressure control ensures that the fuel pressure is always
maintained approx. 0,25 bar above the variable boost pressure in the
"airbox" and thus ensures proper operation of the carburetors.
tank
coarse filter
watertrap
fire cock
2 electric fuel pumps
as well as the required fuel lines and
connections
2
2
Install
914 F
legend:
Q coarse filter / watertrap
W 2 x electric fuel pump
E fuel pressure control
R feeding line from tank
T return line to tank
5
4
1
Reference
Ill. 30
Modification-No.
- 0 -