HANDLING AND SERVICING / SERVICING OPERATIONAL FLUIDS 8-9
CHANGE A0 ICON A5-B / PILOT’S OPERATING HANDBOOK
CHAPTER 8
3) Rotate the wing back in the opposite direction from Step 2 (to
avoid twisting the light wiring and/or AOA or fuel drain tubing).
4) Re-lock the wing into flying position.
Water removed from the tip is now free to drain from the holes
at the wing root.
8.6 SERVICING OPERATIONAL FLUIDS
8.6.1 FUEL
A fuel filler cap is located on the left side of the fuselage exterior,
just aft of the cockpit. Lift the lever on the cap and rotate counter
clockwise to open it and the reverse to lock it. It is best to orient the
lever facing downward so that gravity will help hold it closed.
The fuel system also has a sump at the lowest point of the fuel
system that can collect water or sediment. Fuel sumping to test for
water or sediment is accomplished via a sump line that is inside the
fuel filler neck and is accessed through the fuel cap. This sumping
line is routed to the lowest portion of the sump in the fuel tank. ICON
supplies a fuel sumping tool with the aircraft for this purpose.
Following are the instructions for sumping the fuel tank.
1) Remove the fuel filler cap and place on pilot’s seat.
2) Connect the flexible rubber tube of Fuel Sumping Tool to
adapter located inside fuel cap fitting.
NOTE: The adapter is inside the fuel cap fitting on
the left side.
3) Pull back on the plunger handle to obtain a vacuum for removal
of the fuel from the fuel tank. Examine the contents of the Fuel
Sumping Tool (syringe) for water or contaminants. If neces-
sary, disconnect the Fuel Sumping Tool from the aircraft and
discharge water or contaminants into a suitable container
before re-attaching the tool to the adapter on the aircraft.
4) Repeat Step 3 to sump all water and contaminants until none
remain inside the fuel tank.
5) Remove the tube and syringe.
6) Empty the syringe and clean for the next use.
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