Jabiru J230/430/250/450 Constructors Manual
Pre-Paint>Fuselage>Interior>Fuel system
3 of 5
Tuesday, January 20, 2009
Fit the fuel pump
Mount the electric fuel pump to the fuselage on the right of
the longitudinal rib as shown on the drawing on the
previous page, using countersunk screws and Tinnerman
washers and Nyloc nuts and tighten the nuts to safety.
The flow arrow on the pump should point towards the front
of the aircraft as shown at right.
Using an O-ring in the groove behind the nut and a small
drop of Loctite 577 Sealant on the threads, fit the finger
filter to the header tank outlet and tighten firmly.
Fit the fuel filter and electric fuel pump
Fit the fuel filter in place, taking care to orient the fuel flow line in the direction of flow,
which is away from the header tank and towards the
electric fuel pump.
Use two zip ties to secure the rubber sheet around the
filter body and another zip tie to secure the wrapped
filter to the locating bracket as shown at right.
Araldite a clip on the top of the lower longitudinal
rib to secure the fuel line from the fuel filter to the
electric fuel pump as shown below right.
Cut a short length of blue fuel line and connect the header tank to the filter, then cut a longer
length and connect the filter to the fuel pump. Secure each connection with hose clamps.
Size the fuel lines
Route one fuel line per side in from the upper conduit, above the side windows as shown
above and through the rear bulkhead conduit and then down to the header tank.
Route each fuel line around the front of the opening in the rear cabin step and leave enough
length to connect to the header tank fittings, leave 500mm of free length outside of the upper
fuselage. Remove the fuel lines and use each one as a measure to cut two more fuel lines of
each length for each side. Label the lines as “Left” or “Right” (the shorter lines will be the
“Left” set) and coil and store in a bag for later use.
Finger filter – header tank outlet
