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  #1  
Old 19-07-2009, 01:52 PM
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Kiwi Kiwi is offline
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undoing compensating sprocket nut

tried a 24" power bar

tried a rattle gun

nothing is budging this nut

short of stripping the top end of the motor and and sticking a bar thru the gudgeon pin to lock the motor up to shift this nut has anybody got any ideas on how to get it off
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  #2  
Old 19-07-2009, 03:06 PM
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Re: undoing compensating sprocket nut

Do you have the primary locking tool?

With that, some heat and a long breaker bar (I've even used an old FLH fork stanchion and a scaffold tube) you should be able to remove it.

If that doesn't work you could try an air wrench but if you do make sure that you check the alternator rotor for loose magnets afterwards.
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  #3  
Old 19-07-2009, 03:13 PM
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Re: undoing compensating sprocket nut

A piece of wood wrapped with an old pair of pants/tee shirt.

And This



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  #4  
Old 19-07-2009, 03:23 PM
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Re: undoing compensating sprocket nut

I asume you had it in gear with someone holding the brakes on while you used the power bar?
Put a car ramp reversed against a kerb or two inline against a wall to give working room.With the ramp reversed the wheel can't climb over the top.
Have someone sat on and holding brakes while in gear and put a fork tube over the power bar.
I use a Britool 12" bar with a BMW fork tube on diesel cylinder head bolts,not been defeated yet.
You haven't had a brain fart and tried to tighten it have you?

Last edited by Limey_Dave; 19-07-2009 at 03:49 PM.
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  #5  
Old 19-07-2009, 04:17 PM
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Re: undoing compensating sprocket nut

I use a locking bar between the sprokets then a socket on the nut with an old fork tube over it for leverage,i did donate a jamming bar to our last tool rep but it seems to have disapearedAndy Brown knew nothing about it
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  #6  
Old 19-07-2009, 05:29 PM
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Re: undoing compensating sprocket nut

Quote:
Originally Posted by BaZa Ž View Post
A piece of wood wrapped with an old pair of pants/tee shirt.

And This


thanks Baza does anybody know the dimensions for the length of a locking bar for a 4 speed?
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  #7  
Old 19-07-2009, 05:49 PM
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Re: undoing compensating sprocket nut

Shovelhead Forum

link to dimensions
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  #8  
Old 19-07-2009, 05:51 PM
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Re: undoing compensating sprocket nut

Quote:
Originally Posted by Kiwi View Post
thanks Baza does anybody know the dimensions for the length of a locking bar for a 4 speed?
1 1/2" wide x 1/4" thick flat stock about 8 1/2" long.

Cheers,
Rob.
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  #9  
Old 19-07-2009, 06:27 PM
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Re: undoing compensating sprocket nut

The club tool loan has one, why don't you call Andy and get it delivered?
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  #10  
Old 19-07-2009, 09:15 PM
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Re: undoing compensating sprocket nut

Graeme, I tried an air-powered rattle gun on mine and got nowhere.

Attempted all other options including four fat blokes , an inch-drive power bar and a scaffolding pole; bent the pole.

Next door neighbour's son, who owns a garage, lent me a Snap-On battery-powered rattle gun; twenty seconds, job done.

Apparently these things will shift anything; must admit I was sceptical at first but he tells me they're the absolute mutt's nuts for this kind of job. Bloody expensive though so I'd try borrowing one!
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