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Allis B Starter Quandry

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LittleB View Drop Down
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Joined: 18 Aug 2020
Location: Ontario Ca.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote LittleB Quote  Post ReplyReply Direct Link To This Post Topic: Allis B Starter Quandry
    Posted: Yesterday at 4:56pm
The starter drive broke on my B. When I replaced it I noticed damage on the corners of the ring gear. Now the new starter drive doesn't always fully engage the ring gear. I noticed when reinstalling the starter that the alignment hole in the housing set the starter back by almost a quarter of an inch away from bottom out position toward the ring gear. Is this normal. If not  can I fill the back end of this hole and redo the hole to push the starter forward.
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steve(ill) View Drop Down
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Joined: 11 Sep 2009
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Post Options Post Options   Thanks (0) Thanks(0)   Quote steve(ill) Quote  Post ReplyReply Direct Link To This Post Posted: Yesterday at 5:09pm
i have drilled new holes in the housing to ROTATE the starter to another postion. I have not seen one that was off on the DEPTH.... but i guess thats possible... YES, it should be the same as the OLD STARTER.

another thing is the ENGINE always stops in the SAME POSITON ( 80% of the time)... so there will be 4-5 teeth in a row that show much more damage on the ring gear than the rest of the teeth.. You might need to rotate the ring gear on the flywheel or install a new gear if the teeth are rounded off too bad.
Like them all, but love the "B"s.
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dfwallis View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote dfwallis Quote  Post ReplyReply Direct Link To This Post Posted: Yesterday at 5:24pm
Originally posted by LittleB LittleB wrote:

The starter drive broke on my B. When I replaced it I noticed damage on the corners of the ring gear. Now the new starter drive doesn't always fully engage the ring gear. I noticed when reinstalling the starter that the alignment hole in the housing set the starter back by almost a quarter of an inch away from bottom out position toward the ring gear. Is this normal. If not  can I fill the back end of this hole and redo the hole to push the starter forward.

I'd recommend as Steve says, but if something was to be modified, I might be more inclined to mod the starter itself.  Perhaps there is a washer at the end of the throw mechanism that could be a little thinner.  Perhaps the collar on the starter could be taken to a machine shop and shaved a tiny bit (I doubt 1/4 inch is a good idea).  You want to keep it nice and square.  And of course ensure that the starter mounting hole is thoroughly cleaned.  If you mod the tractor, then you (or somebody) may be forced to create shims to return to the original depth in the future (not really that big a deal and probably not very likely).
1952 CA13092
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steve(ill) View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote steve(ill) Quote  Post ReplyReply Direct Link To This Post Posted: 22 hours 21 minutes ago at 6:41pm
Yes, Gary is right.. i ment drill the taper hole in the Starter HOUSING, not the bell housing..
Like them all, but love the "B"s.
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steve(ill) View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote steve(ill) Quote  Post ReplyReply Direct Link To This Post Posted: 22 hours 14 minutes ago at 6:48pm
Rereading you post, you might mean when you install the new starter, that there is a small gap between the bell housing and the starter case and it COULD be pushed in another 1/4 inch... YES, i have seen that.. What you want is for the distance from the end of the nose piece to the hole in the starter to be the SAME as the original... The starter does not necessarily push in as far as possible.. The taper hole is a Locater point.




Edited by steve(ill) - 21 hours 53 minutes ago at 7:09pm
Like them all, but love the "B"s.
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dfwallis View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote dfwallis Quote  Post ReplyReply Direct Link To This Post Posted: 22 hours 5 minutes ago at 6:57pm
Ah, I assumed that the starter would be against the end of the mounting hole, but if not, then "relocating" the lock screw hole in the starter might work fine.
1952 CA13092
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LittleB View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote LittleB Quote  Post ReplyReply Direct Link To This Post Posted: 21 hours 16 minutes ago at 7:46pm
Steve the starter that you posted in the fixture shows to be much closer then mine. I plan to reposition the hole on the starter to move it to a more favorable position. There is more wear on one section of the ring gear.
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LittleB View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote LittleB Quote  Post ReplyReply Direct Link To This Post Posted: 21 hours 14 minutes ago at 7:48pm
I meant picture, not fixture.
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steve(ill) View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote steve(ill) Quote  Post ReplyReply Direct Link To This Post Posted: 20 hours 16 minutes ago at 8:46pm
how does the measurement from the nose to the hole compare with original starter ?
Like them all, but love the "B"s.
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LittleB View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote LittleB Quote  Post ReplyReply Direct Link To This Post Posted: 8 hours 41 minutes ago at 8:21am
It's the same starter that was on the tractor when I bought it. My theory is and I'm not an expert, is that the old drive prior to breaking and damaging the ring gear wasn't engaging fully. I only noticed after replacing the drive, then reinstalling the starter that I needed to pull the starter back almost a quarter inch to align the bolt with the the starter hole.

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Post Options Post Options   Thanks (0) Thanks(0)   Quote ORBill Quote  Post ReplyReply Direct Link To This Post Posted: 3 hours 56 minutes ago at 1:06pm
LittleB
I sent you a PM
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dfwallis View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote dfwallis Quote  Post ReplyReply Direct Link To This Post Posted: 3 hours 21 minutes ago at 1:41pm
My CA has about 1/4 inch gap.  I was surprised at how good a shape the ring gear was, but could be because we rarely had a functional battery and either hand cranked it or parked it on a hill.  :)
1952 CA13092
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