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Kensteer 
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Joined: 15 hours 18 minutes ago
Location: Georgia
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 Topic: Allis Chalmers D-15 Carb and Regulator
Posted: 14 hours 57 minutes ago at 9:37pm |
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Installed new carb on the old tractor. Runs good then quits. A see the adjustment screw on top left side. Should I turn this screw with engine running, or what should I do? Maybe it was set at the factory? I also want to install a new regulator. The current one only has one wire going to the left terminal and no other terminals have a wire. How do I wire a new regulator? And where should I buy it?
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steve(ill)
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Joined: 11 Sep 2009
Location: illinois
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Posted: 4 hours 21 minutes ago at 8:13am |
This is a 12 volt NEGATIVE GROUND wire diagram.. the wires will connect like this.. If your battery has the POSTIVE terminal grounded, it just changes polarity, not wire location.
Edited by steve(ill) - 4 hours 20 minutes ago at 8:14am
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steve(ill)
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Posted: 4 hours 17 minutes ago at 8:17am |
the carb adjustment screw normally will not make the engine DIE.. It will just make it run better or worse.. Turn the screw clockwise until it is bottomed out. Count the turns to get it closed.. Should be about 1.5 turns ..... Back it out to 1.5 turn ( 3 half turns)... that is the starting point..
If the engine "dies" after running. tell us how long it ran... 5 seconds or 1 minute ? You might be running out of gas, not using the choke correctly, or have an electrical problem with the coil / condenser.
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Like them all, but love the "B"s.
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Kensteer
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Posted: 3 hours 58 minutes ago at 8:36am |
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You Fellas are awesome. Thanks for the diagram and the replies. One thing that happens is if I for get to turn the key switch off, after a little while the coil gets red hot. It must not be wired properly. I do have a new wiring harness, which is partially installed. Do you have a wiring diagram for wiring harness? Maybe that is why I have this hot coil problem. Possible wrong wire from switch sending current when engine stops.
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steve(ill)
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Location: illinois
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Posted: 3 hours 28 minutes ago at 9:06am |
I posted the above drawing that is GENERIC becasue it is a simplified version of ANY tractor........ Yours should look more like this...
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Like them all, but love the "B"s.
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steve(ill)
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Posted: 3 hours 22 minutes ago at 9:12am |
service manual does not show the colors of the wires on the D15... here is the D14... it MIGHT be similar... no guarantee..
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Like them all, but love the "B"s.
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steve(ill)
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Posted: 3 hours 20 minutes ago at 9:14am |
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Key sends power to the coil.. If the POINT in the distributor is CLOSED, then you have a path to GROUND and YES... the coil will get hot.. You could also burn the face of the point inside the distributor... possible it can damage the coil..
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Like them all, but love the "B"s.
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