demonboy
regular
Reged: 11/10/2004
Posts: 775
Loc: Think bird eaten at Christmas
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Unscrewed the central nut but the wheel won't budge. Am I just being feeble? Should I give it a tap with a hammer or what?
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capnsensible
regular
Reged: 15/03/2007
Posts: 1251
Loc: Atlantic
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It could well be on a tapered shaft. The only way I have ever budged one easily is with bearing extractors. So much so that I now own a set(?), borrow from a local garage may be a good option.
Hope this helps.
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Aidy
regular
Reged: 19/01/2004
Posts: 3755
Loc: La La Land
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should be on a tapered shaft with a keyway ! don't loose the keyway when you get it off.... gentle use of a copper mallet may shock it or waggle the wheel. you ideally need a puller !
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Searush
regular
Reged: 14/10/2006
Posts: 4121
Loc: k up if caught.
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Try tapping all round the boss from behind while some one else pulls the spokes steadily. As others have said, probably a taper shaft & if the taper is shallow, overtightening the nut can force it to stretch the boss & compress the taper. Careful heat application may also help - but don't let it glow red hot!!!
Pullers are the best solution, you may be able to get one from a tool hire company.
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petehb
regular
Reged: 26/12/2001
Posts: 370
Loc: Staffordshire
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If you can't get a puller, make three tapered wedges from wood and put them equidistant from each other between the wheel boss and the front face of the pedestal boss and tap each in turn gently whilst pulling on the front of the wheel. As the pressure increases it will release.
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RAG @ STICK
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Adamastor
regular
Reged: 08/05/2006
Posts: 169
Loc: Cape Town
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It's a 1:12 taper, if it's a tapered shaft. The thing that worries me is that it MAY be a straight shaft, which is a swine to get off, especially with dirt, salt and old-age getting into the hole in the wheel.
Don't just slog the wheel off from behind in either case- you'll probably toast the circlips that hold the shaft in the boat. And be careful of the spokes- they're not really designed for levering in any direction except to rotate the shaft. I've seen a number of failed wheels from over-eager removal!
Sorry bout the pessimism- it's not really such a bad thing: with WD40 and enough tea, and a good bearing-puller, it's easy!
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William_H
regular
Reged: 28/07/2003
Posts: 3707
Loc: West Australia
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You can make a puller if you are handy with metal and have a drill press.
Basically you need a piece of steel about 10mm thick square or circular about 15cms across. In the center of this you drill a hole to take a bolt at least 10mm diameter. You weld a suitable nut on one side of the plate to take the bolt. The bolt is screwde from the hole side and must have enough thread about 50mm would be good.
The bolt is screwed down to press onto the shaft now all you have to do is figure a way to attach the plate to the steering wheel.
U bolts one around each spoke might work if the spokes are strong enough. Or make up pltes that will slife under the boss with a bolt at each end. Or you may be able to use individual bolts with a hook bent into the ends to hook under the boss. The plate should be heavy enough to take many holes in various positions for different fixing methods.
Set the plate up then tighten the center bolt onto the shaft. Often a swift hit with a carefully calibrated bashometer on the head of the center bolt will help dislodge the wheel. good luck olewill
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ZED_NIVEL
regular
Reged: 21/10/2005
Posts: 110
Loc: Göteborg (SWE)
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I HELPED SOMEONE NOT LONG AGO WITH THIS:
SPRAY dW40, 556 etc +
TIME +
SPRAY dW40, 556 etc+
PULLER AS SAID! +
SHOCK THE TAP/AXEL MODERATELY WITH HAMMER IF POSSIBLE KEEP THE LOOSENED NUT ON TO PROTECT WINDINGS +
IF NOT LOOSING TRY WARMING THE WHEEL AND COOLING THE AXEL + THE ABOVE PROCEDURE - NOW WITHOUT TEA TIME! +
NOW IT WILL COME OFF - CAREFUL AS SAID NOT LOOSING ANY PARTS 
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ZED
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Good Question Forms Good Process
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demonboy
regular
Reged: 11/10/2004
Posts: 775
Loc: Think bird eaten at Christmas
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Thank you all for your replies. I wanted to take the wheel off as we had some people over the other night. The first two guests undid the nut and pulled it off between them! Must have been me loosening it first that enabled them to do this of course 
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