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10-20 IHC 1929 model need help


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  #1  
Old 07-05-2008, 01:17:55 PM
Chuck Woycke Chuck Woycke is offline
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Default 10-20 IHC 1929 model need help

does anyone have a manual on a 10-20 that can post a couple of pages .need info.the setup and parts diagram of the brass carb,also need info on how to time the ignition/magneto what are those marks on the flywheel mean,will get a manual at jensales in a couple of weeks but would like to get it running this weekend,thanks
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Old 07-05-2008, 03:56:52 PM
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Craig A Craig A is offline
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Default Re: 10-20 ihc 1929 model need help

Chuck.......the only mark that's really important is TDC so you can get the magneto set to impulse soon after TDC.
Then put each piston at TDC, see you have ENOUGH rocker arm clearance, and let 'er rip.
Everything else can come later.
Be SURE to keep the top end adequately lubricated or it'll start running like crap.......
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Old 07-05-2008, 06:42:40 PM
Bud Tierney Bud Tierney is offline
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Default Re: 10-20 ihc 1929 model need help

binderbooks.com is supposed to have factory manuals (I assume reproductions) on everything IH ever built; you might check with them as to prices. Some posters have complained about some of the Jensales and I&T manuals being incomplete. Good luck.
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Old 07-06-2008, 08:57:04 AM
Chuck Woycke Chuck Woycke is offline
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Default Re: 10-20 IHC 1929 model need help

craig,did what you said ,i rotated flywheel so #i cyl. was at tdc as marked on flywheel,set mag so impulse clicked, at tdc,filled the 2 priming cups up,cranked away,it fired up.but it has crab issues,runs rich then lean,never seen a carb with the float on top,need a drawing/parts pictures of that brass carb,what does the top crt screw do? and the bottom screw?is one a air screw/other the main jet,btw the float is good.took a guess and set the valves at .015 cold,plug .025.can anybody post a picture of that brass carbdrivivg me thanks
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Old 07-06-2008, 09:11:49 AM
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Ken Majeski Ken Majeski is offline
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Default Re: 10-20 IHC 1929 model need help

Originaly they had a Cork Float.... Maybe Brass from a John Deere could be adapted...??? The float chamber ect. was Larger on the early ones..

The Big Knurled knob on the top is the Main Load adjustment.... The smaller screw (bottom) is the idle adjustment. Theres also a Idle Speed adjustment that limits the butterfly from closing too much...

The Early ones (From about 1926 back) didn't have a idle mixture adjustment... Idle was just a pot luck thing but could be changed some? with the float level... Kinda Like the Model T....
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Old 07-06-2008, 06:39:41 PM
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Thumbs up Re: 10-20 IHC 1929 model need help

I'm not that big an IH guy but the idle adjustment screw is an air adjustment.....bass ackwards from what you are used to.
Turning the screw IN enriches the mixture but the main adjustment is "normal".
Good shot gettin' the old girl running!
You might want to retard the point of impulse a little to somewhat beyond TDC though.......
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Old 07-07-2008, 01:58:53 AM
Richard Sturdy
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Default Re: 10-20 IHC 1929 model need help

The big problem with the cork floats is that modern unleaded petrol (gas) contains toluene and other aromatic compounds which attack the shellac coating of the float to the extent that it becomes porous and absorbs the fuel. This makes it too heavy to float and renders it useless. I believe that brass alternatives are available from Branson enterprises in the 'States.

Tricky Dicky

Quote:
Originally Posted by Ken Majeski View Post
Originaly they had a Cork Float.... Maybe Brass from a John Deere could be adapted...??? The float chamber ect. was Larger on the early ones..

The Big Knurled knob on the top is the Main Load adjustment.... The smaller screw (bottom) is the idle adjustment. Theres also a Idle Speed adjustment that limits the butterfly from closing too much...

The Early ones (From about 1926 back) didn't have a idle mixture adjustment... Idle was just a pot luck thing but could be changed some? with the float level... Kinda Like the Model T....
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Old 07-07-2008, 03:12:24 AM
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Default Re: 10-20 IHC 1929 model need help

Quote:
Originally Posted by Chuck Woycke View Post
does anyone have a manual on a 10-20 that can post a couple of pages .need info.the setup and parts diagram of the brass carb,also need info on how to time the ignition/magneto what are those marks on the flywheel mean,will get a manual at jensales in a couple of weeks but would like to get it running this weekend,thanks
Chuck,

There is a manual for a 10-20 on my site here, courtesy of German George:

http://www.steel-wheels.net/literature.html

All the best

David
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