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Oil Field Engines & Related Equipment

ZC-346 Fairbanks Morse info needed

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Old 09-19-2016, 04:11:47 PM
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Ed Noli Ed Noli is offline
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Default ZC-346 Fairbanks Morse info needed

I was displaying engines and tractors at our local fair last weekend, when a local rancher approached me regarding a ZC346 he has on a deep water well. He has had problems over the years keeping it running when needed during times of little rain fall.
The best I can make out from their description is, it was installed in 1952, it has a condenser on the cylinder. The mixer is the under head style with a built in diaphragm fuel pump with a float chamber. I do not have the serial number of the engine.
The problem and question is the fuel system. Will this style mixer work with a fuel tank higher than the mixer? The float should control fuel flow, if working properly, but a pump is not needed if gravity flow is used. They think the tank was always high, and now they have a fuel drum setting on pallets. The problem is, it floods.
Another problem is the governor control of the mixer. They have it wired in one position, and through many questions on my part, I am sure the engine has over sped on more than one occasion. Hence the wired linkage.
I have a 6/8hp style C with a similar mixer, so I am familiar with its operation, but my tank is in the base. Any help will be appreciated.
Thanks, Ed
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Old 09-19-2016, 09:38:02 PM
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Default Re: ZC-346 Fairbanks Morse info needed

As far as I know the parts for the carburetor are no longer available. If I depended on the engine to run I'd put an Impco carb on it and convert to propane. Much safer and easier to deal with. A solid state ignition would be a big step in the right direction too.
Wake up and smell the Fool-Aid.
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Old 09-22-2016, 01:49:24 PM
edward moller edward moller is offline
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Default Re: ZC-346 Fairbanks Morse info needed

good day , i have the same style of carb with the fuel pump & float assy. had the same flooding issue. i put a stand pipe up from the bottom of the fuel bowl to the correct fuel level, let it return to the tank. recirculating fuel system, no more flooding
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Old 09-29-2016, 09:17:54 PM
dkamp dkamp is offline
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Default Re: ZC-346 Fairbanks Morse info needed

What Eddie (Reed) said- go propane... lasts forever, delivered in bulk... always clean... dependable as gravity and triangles.
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