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| VDO Fuel Sensor Parts |
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| VDO Fuel Sensor Level Signal Check |
Located and prepared tank/sender components for installation: DX2021 Finger-screen, CAV-110 Quick Drain, F124-4B nipple fitting (to screen). F124-4A nipple fitting (vent line), VW fuel sender (317004), VDO Fuel Sender Mounting kit (226-451). Put aside screen, nipples and drain for installation AFTER tank is in place between ribs 1 & 2 wit appropriate holes in the ribs to allow access/connections.
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| Wing Rib used to locate the location for the VDO Unit Cut-out |
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| VDO Sensor prior to arm mods for tank levels |
Bent fuel sender float arm to provide optimal levels range and prepared the mounting ring/gaskets per the instructions in the build manual & DVD. Tested the range with ohm-meter to assure that the unit was operating (10 ohms/full - 70 ohms empty).
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| Bend arm for EMPTY level |
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| Bend arm for FULL level |
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| Final configuration of VDO level sender |
Followed the DVD/manual to insert the mounting ring into the 59mm hole in the side of the tank noting the position of the sender plate (top/up/full). IMPORTANT to note that the mounting screw holes are NOT symmetrical!! Made many tries to complete the mating of the internal ring/gasket/sender before this became obvious. Used liberal amounts of Form-A-Gasket to seal the rings/gasket/sender/screws. NOTE for Port Wing Tank install: wait until the assembly is ready for final closure before adding the "gunk" sealer.
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| 59mm hole dimension is critical |
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| Tight fit to assure a seal between the tank wall and the gasket& compression ring |
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