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Multi-Cylinder Stationary Engines and Power Units Waukesha, Buda, Climax, LeRoi and others.

Multi-Cylinder Stationary Engines and Power Units

Waukesha FC 125 on Marlow pump ID help


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  #1  
Old 12-25-2009, 11:00 AM
MIke D MIke D is offline
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Default Waukesha FC 125 on Marlow pump ID help

Merry Christmas,
I just acquired an old Marlow pump w/ a Waukesha FC 125 on it. This unit is just about complete, missing side shrouds & aircleaner. All 5 data plates are legible. I've scoured the web & posts here looking for a S/N listing for date ranges & haven't been able to come up w/ any. I've seen references to code date & mfg date, but this doesn't seem clear looking at the s/n. The Wauk s/n is 473670 411.
I also don't see any dates on the casting or head. Any ID help would be greatly appreciated.

Mike
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  #2  
Old 12-25-2009, 11:36 AM
John Schwiebert John Schwiebert is offline
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Default Re: Waukesha FC 125 on Marlow pump ID help

Have you contacted the Waukesha historical Society? They are all volunteers and it may take a couple of days for an answer. FC Waukesha engines were made over a rather long period of time.
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  #3  
Old 12-25-2009, 11:54 AM
MIke D MIke D is offline
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Default Re: Waukesha FC 125 on Marlow pump ID help

Thanks John. I planned on doing that on Monday. I just picked it up last night & was looking for maybe a quick answer. The frame, wheels & pump castings kinda point me to the 30's. This is my 1st Wauk, so I'm not very familiar w/ the serial numbering conventions, etc.
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Old 12-28-2009, 01:50 AM
Ed Malcom Ed Malcom is offline
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Default Re: Waukesha FC 125 on Marlow pump ID help

I have a unit that looks just like yours only it has a le roi d 140 engine on it. Ed the le roi man
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Old 12-28-2009, 06:32 PM
MIke D MIke D is offline
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Default Re: Waukesha FC 125 on Marlow pump ID help

Ed,
I did notice this unit has a Le Roi ground switch for the mag. Were they in cahoots??
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Old 12-28-2009, 11:24 PM
Ed Malcom Ed Malcom is offline
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Default Re: Waukesha FC 125 on Marlow pump ID help

THAT COULD BE ANYBODYS GUESS. In that time frame there was lots of companies helping each other out/ lots more than today.
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Old 01-04-2010, 10:38 PM
Jerry Sweet Jerry Sweet is offline
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Default Re: Waukesha FC 125 on Marlow pump ID help

Thats a real early "FC",it still has a thermosyphon cooling system.I don't know when they started using a pump,but I think it was in the 1930s.
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Old 01-04-2010, 10:55 PM
Jerry Sweet Jerry Sweet is offline
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Default Re: Waukesha FC 125 on Marlow pump ID help

That looks like a "MJC" Bosch magneto,,but the ground (P lead) is comming out the side,it may a very early magneto.
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Old 01-15-2010, 09:24 PM
MIke D MIke D is offline
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Default Re: Waukesha FC 125 on Marlow pump ID help

Jerry,
After taking the intake/exhaust manifold off, I see a "12 1940" on the machined surface of the block & under the head crud there's a "7251940" small dataplate screwed on. So I say it was made in 1940, makes sense.
Onto the cooling system: I don't see a water pump, unless it's somehow under the front cover that drives the mag & gov, but it doesn't look like it. My question is: Should there be a thermostat in the head outlet? seems as though natural heat convection provides the flow, but a 180 degree 350 chevy thermostat will pop right in.I did the valves & carb, cylinders are nice & it runs good. I'm in the process of repairing the front rad shroud, then I'll pump some water. Did these have a thermostat? if so, what is a good operating temp? Thanks for the info & input.

Mike
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Old 01-15-2010, 09:28 PM
MIke D MIke D is offline
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Default Re: Waukesha FC 125 on Marlow pump ID help

Jerry,
The mag dataplate isn't legible. I cleaned the points & it's hot, firing what look like the original 6 Com Champs.

Mike
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Old 01-15-2010, 11:11 PM
Jerry Sweet Jerry Sweet is offline
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Default Re: Waukesha FC 125 on Marlow pump ID help

Mike: Doen,t use a thermostat on it,it's a thermosyphon circulating system(that's why it has such big water fittings and hoses)and a thermostat would just restrict the flow.A thermosyphon system will control it's own temp.If you use glycol antifreeze,be sure and mix it and the water before you put it in the engine,otherwise the glycol,being heavier, will go to the bottom and the engine may burn up ,because it will not circulate.The magneto is a American Bosch "MJC" base mount if you need to get parts or look up specs.The round plate on each side of the mag.should have big letters on them that read "AB".Good luck,Mike
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Old 01-15-2010, 11:28 PM
MIke D MIke D is offline
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Default Re: Waukesha FC 125 on Marlow pump ID help

Jerry,
Thanks for the info. I didn't know about glycol settling if it isn't mixed. I was gonna use 50/50 premix just like in the other stuff. Would that be an issue?
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Old 01-15-2010, 11:44 PM
Jerry Sweet Jerry Sweet is offline
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Default Re: Waukesha FC 125 on Marlow pump ID help

Mike:That should be fine.I would flush the system good,then check your fitting gaskets (make new gaskets if they look too old),replace the hoses,then use the 50/50.That looks like a real nice project ,Mike,good luck.
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Old 01-16-2010, 12:01 AM
MIke D MIke D is offline
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Default Re: Waukesha FC 125 on Marlow pump ID help

Jerry,
yes. I cut new gaskets, flushed, new hoses, etc. I should have the shroud done & cooling hooked up this week. I ran it dry for a couple minutes a couple times, I had to hear it run... The gas tank had a couple pin holes in it, all set now. The pump bearings took grease, I repacked the gland & cut new pump gaskets, impeller & case looks good. Should pump nice. I hope to take it to the Gas Up this spring. Here's a link:

http://www.youtube.com/watch?v=72sjXa4Mo4o

Here's a link to my Domestic Triplex:

http://www.youtube.com/watch?v=4nNKI-zHsw8
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Old 02-04-2010, 09:35 PM
Larry Wolden Larry Wolden is offline
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Default Re: Waukesha FC 125 on Marlow pump ID help

Jerry, I don't see a thermosiphon in the pic above. I have pics of a couple of Waukesha FC's with a casting along the top of the block that I understand to be the thermosiphon.

My FC has a three hole opening in the front of the head for a water pump, so it's obvious it takes a pump. My FC manual indicates, "The water pump is either head-mounted and belt-driven, or side-mounted and gear-driven." I don't know what the gear-driven pump looks like. Would you please point out the thermosiphon in the pic above?
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Old 02-04-2010, 09:44 PM
Larry Wolden Larry Wolden is offline
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Default Re: Waukesha FC 125 on Marlow pump ID help

Here is a pic of a Waukesha in a WC A-C. I was given to understand the long cast pipe parallel to the head was the thermosiphon. No?
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Old 02-04-2010, 09:50 PM
Larry Wolden Larry Wolden is offline
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Default Re: Waukesha FC 125 on Marlow pump ID help

Mike, would you mind posting a pic of the back end of yours similar to the view below? I have 2 PU's that are slightly different, and would like to compare to a third. THANKS!
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  #18  
Old 02-05-2010, 06:34 AM
Jerry Sweet Jerry Sweet is offline
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Default Re: Waukesha FC 125 on Marlow pump ID help

Mike: A Vortex oil bath air filter bolts to the back side of the rear panel,where the hole is and a "S"shaped air tube goes from the filter(on the inside),down to the carburetor and connects to the carburetor with a hose.
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Old 02-05-2010, 07:02 AM
Jerry Sweet Jerry Sweet is offline
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Default Re: Waukesha FC 125 on Marlow pump ID help

Larry:A thermosyphon system isn't a thing,it is the way the coolant circulates.The heat from the engine expands the water(making it lighter,by volume).The hot water rises out through the hose to the radiator.The water cools in the radiator(making it heavier,by volume).The cooler water wants to go down and pulls the hot water behind it.That's why it circulates,why it's called thermosyphon,and why it has such big passages and hoses.
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Old 02-05-2010, 07:10 AM
Jerry Sweet Jerry Sweet is offline
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Default Re: Waukesha FC 125 on Marlow pump ID help

Larry:I forgot to tell you,thats a nice looking engine.I've never seen a Waukesha in a A.C.W.C. before,tell about it.
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