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Onan generator oil funnel — image 1

Onan generator oil funnel

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An oil funnel that makes adding oil to an Onan generator easier.

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Model information

Category
Automotive
License
Creative Commons — Attribution — Noncommercial

Many models of Onan gas or propane powered generators for RVs have an angled fill port with a screw cap that doubles as the dipstick. A standard funnel that you would purchase at an auto parts store doesn't really help much, so I decided to design and print one specifically for the generator. 

Print Instructions

I printed it in FormFutura Centaur PP using a .6mm nozzle(saved time and it's a simple part), .3 layer height and 15% infill. The gcode file for a .4mm nozzle is also included so you can compare print times. The mouth of the funnel is oriented down, on the printbed, which eliminates the need for supports.

As a side note, this could probably be printed in PETG also. I went with polypropylene since it has excellent chemical resistance to motor oil.

I hope you find it useful and please rate/post your make.

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