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Extracting broken Crank tool.

Started by 671M900, October 31, 2010, 02:31:12 AM

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671M900

October 31, 2010, 02:31:12 AM
So the PO had somehow snapped off the tangs on his crank turning too from desmotimes. Now, I'm contemplating the method of removal for said tangs. First I'll try to knock them loose with a small punch so I can maybe use a magnet or something to fish it out. It's wedged in there somehow.

Second plan would involve pulling the cover. Now, am I right in assuming that pulling the cover, and hence the alternator bearing will allow access to the keyway fairly easily, right? Alternator bearing goes on the shaft where the tool fits on.

And one more, How can I guarantee this never happens to me? From what I've searched, I just need to ensure that the bolt on the turning tool is nice and tight, and turn the engine without the plugs.
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ducpainter

#1
October 31, 2010, 04:10:30 AM
Pull the cover. It will be faster in the long run.

I really don't know how he did that.
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greenmonster

#2
October 31, 2010, 12:48:05 PM
Quoteam I right in assuming that pulling the cover, and hence the alternator bearing will allow access to the keyway fairly easily, right?

I just need to ensure that the bolt on the turning tool is nice and tight, and turn the engine without the plugs.

Yes & yes.
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DucatiSTi

#3
October 31, 2010, 04:51:52 PM
Quote from: humorless dp on October 31, 2010, 04:10:30 AM
Pull the cover. It will be faster in the long run.

I really don't know how he did that.

From the Desmotimes site:

"NOTE: If you try to turn the motor over with the spark plugs installed, you will shear off the mating tangs on the front of the tool."
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DTR

#4
November 01, 2010, 06:11:19 AM
Quote from: DucatiSTi on October 31, 2010, 04:51:52 PM
From the Desmotimes site:

"NOTE: If you try to turn the motor over with the spark plugs installed, you will shear off the mating tangs on the front of the tool."

  The engines should easily turn with one hand, escepially with the tool Desmo Times sells (the Dennis Stubblefield tool is fairly stout). If anyone ever feels the need to use 2 hands, check the plugs: they should removed.
Likewise, the engine turning tool should be removed before running the engine (a truly unique and unexpected expierence!)
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