SECTION VIII
FUEL SYSTEM
GENERAL
When work is performed on the fuel system, assure good ventilation, no smoking, ready
availability of fire fighting equipment.
WING TANK SYSTEM
The wing tanks are installed behind the wing spar, outside the walkway, and held in place
by the bottom wing panels. The filler neck and vent tube are integral parts of the tank.
Each tank has a sump easy drain. The finger screen is at the tank outlet and accessible
through the small inspection plate. Each tank feeds the selector shut off valve.
Use the ZODIAC drawings for installation and removal of the fuel system.
REMOVAL AND INSTALLATION OF FUEL SYSTEMS
Tools required: Standard type socket wrenches and tools. Special rivet gun as detailed in
section IV is required.
Parts required: Rivets as detailed in section IV is required.
Level of Maintenance: Heavy
Certification required: A&P or SLSA Repairman Maintenance
REPLACEMENT OF WING TANK
1. Drain the fuel from tank.
2. Disconnect the filler neck. Screwed onto tank from top.
3. Drill out top part of leading edge skin. Hold it down with straps when drilling.
4. Disconnect the wiring from sender unit.
5. Disconnect the fuel lines at the tank outlet (bottom of tank).
6. Disconnect the grounding wire
7. Remove tank
REINSTALL in the reverse order, after checking the cork padding for damage and proper
position. (All upper edges, top and sides, and under the straps: adhesive - “3M Scotch
Grip 847”.
Check all connections for condition, leaks and safety. As you fill talk, make sure that the
fuel gauge is reading proper.
FUEL SENDER UNIT (under the fuel gauge cover plate)
REMOVE the sender after removing the rivets.
REINSTALL with the cork seal ring and rivets.
8.1
July 09