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Joose 
Bronze Level
Joined: 10 Apr 2010
Location: Aubuen, MI
Points: 6
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 Topic: AC B Governor
Posted: 01 Dec 2011 at 5:02am |
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I recently picked up a distributor to replace my magneto on my 1949 Allis Chalmers B tractor. Is there a difference in the governor between the one for the magneto and the one for the distributor? Is there anything else that I should be aware of when switching from the magneto to the distributor?
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ACJohn
Silver Level
Joined: 12 Sep 2009
Location: Horseheads, NY
Points: 147
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Posted: 01 Dec 2011 at 6:41am |
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You will have a lot of trouble hand cranking the tractor. The beauty of a (HOT!) mag is the impulse retards the timing slightly and then trips making crank starting easy.
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Joose
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Joined: 10 Apr 2010
Location: Aubuen, MI
Points: 6
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Posted: 01 Dec 2011 at 7:32am |
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I will eventually be mounting a hydraulic pump off the front of the engine to run live hydraulics for a front end loader that plan on adding. So hand cranking will be not be an option.
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Dick L
Orange Level
Joined: 12 Sep 2009
Location: Edon Ohio
Points: 5087
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Posted: 01 Dec 2011 at 12:52pm |
 ACJohn wrote:
The beauty of a (HOT!) mag is the impulse retards the timing slightly
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So does the distributor have the spark retarded to TDC. They both have a mechanical advance of 30 degrees for this tractor.
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SteveC(NS)
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Joined: 12 Oct 2009
Location: Nova Scotia
Points: 663
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Posted: 01 Dec 2011 at 2:27pm |
Joose, I have done just that here's proof. If you have any questions feel free to ask.
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Joose
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Joined: 10 Apr 2010
Location: Aubuen, MI
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Posted: 01 Dec 2011 at 4:04pm |
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Steve, that looks like a real nice set up that you have there. I would like to know how you connected the pump to the front of the engine. I haven't quite figured that part out yet. Did you use a rag joint? I already have the loader and the hydraulic switches. I just have to do some minor fabricating in order to get them to bolt up.
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SteveC(NS)
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Joined: 12 Oct 2009
Location: Nova Scotia
Points: 663
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Posted: 01 Dec 2011 at 6:16pm |
Joose, I used a lovejoy coupling. I don't know what a rag joint is. I machined the crank pulley to accept a coupling for a 3/4" shaft. The pump mount incorporates a larger tube in which the lovejoy resides. If you're interested in specifics and pics PM me and we won't have to bother the rest of the world with our blather. I have a "next generation" improvement that involves machining the crank pulley to become part of the Lovejoy coupling like this.
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SteveC(NS)
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Joined: 12 Oct 2009
Location: Nova Scotia
Points: 663
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Posted: 02 Dec 2011 at 3:35pm |
Joose, didn't get a pm from you so I decided to post a shot of the pump mount. the large black pipe is sort of an extension of the pump mount ( the alu. plate mounted to the rad. mount) the lovejoy coupling is inside the short section of black pipe because there's not enough room in the rad. mount.
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1953CA
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Joined: 01 Jan 2011
Location: Burlington, WA
Points: 505
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Posted: 02 Dec 2011 at 4:17pm |
Joose;
I've done the same thing to my 1948 B, mag to distributor swap, I swapped out the complete govenor, weights, gear, and distributor...Biggest thing is the nipple on top of the govenor needs to accept 2 oil lines, one from the head to the govenor, and then the other to the distributor housing.
Andrew
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1945 AllisCletrac / 1948 "B" / 1953 "CA" / 1955 "WD-45" / 1963 "D-15 Series II"
"No Air Support without Ground Support"
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1953CA
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Joined: 01 Jan 2011
Location: Burlington, WA
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Posted: 02 Dec 2011 at 4:19pm |
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1945 AllisCletrac / 1948 "B" / 1953 "CA" / 1955 "WD-45" / 1963 "D-15 Series II"
"No Air Support without Ground Support"
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