09/11/2018
RANS S-21 OUTBOUND
TEXT MANUAL
11-9
NOTE:
The smaller return line routes directly from the bulkhead fitting to
the header tank and will not connect through the Fuel Valve.
IMPORTANT:
Be sure to include the Check Valve in the Return Line.
6.
Drill a #40 hole in edge of Fuel Cap. Screw on the cap and tighten. Using the
hole in the cap, safety wire the cap against rotation to the fuselage frame.
(AFTER WINGS MOUNTED TO FUSELAGE)
7.
After wings are mounted to fuselage in final assembly, route fuel line from each
wing, down behind Station 3 and to Header tank. Secure as desired using plastic
ties. Add a clear plastic tape or split fuel hose as anti-chafe wherever the lines
contact the fuselage frame or other parts.
OPTIONAL LOW FUEL WARNING KIT
1.
Become familiar with the Optional Low Fuel Warning Kit on the Header Tank
PARTS MANUAL DRAWINGS
and collect the parts shown in the drawings.
2.
A 5/8" hole should have been located in the side of the Header Tank. If not, refer
back to
FIGURE 11B-02/912
. Replace Silicon Washer provided with Low Fuel
Warning Switch with 5/8" Rubber Washer. Install Low Fuel Warning Switch into
Header Tank. Be sure to orientate the switch to allow electrical continuity (closed
circuit) when installed. Use a continuity tester (Ohmmeter) to be sure.
Refer to
FIGURE 11B-10/912
. As the header tank fills with fuel, the switch will open,
turning off the LED Indicator Light.
3.
Install 5/8" Rubber Washer, 5/8" Steel Washer and plastic nut on outside of tank
and tighten. Double check to be sure the switch is orientated correctly.
4.
Locate LED Indicator Light in instrument panel. Connect to Low Fuel Warning
Switch per
FIGURE 11B-10/912
. Do not forget to include a proper sized breaker
or fuse.
OPTIONAL ELECTRIC FUEL PUMP
1.
Become familiar with the Optional Electric Fuel Pump
PARTS MANUAL
DRAWINGs
and collect the parts shown in the drawings.
2.
Install fittings into Fuel Pump with Thread Sealant.
3.
Rivet Nut Plates to bottom of tabs under Left Seat.
4.
Bolt Fuel Pump to tabs.
5.
Connect Fuel Line from Header Tank to Fuel Pump. Connect Fuel Line from Fuel
Pump to Fuel Valve.
6.
Connect electrical wires of fuel pump to 12-volt switch on Instrument Panel. Do
not forget to include a proper sized breaker.