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 Stuck Pulley

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Jonny Briggs
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PostSubject: Stuck Pulley   Stuck Pulley Icon_minitimeTue Jan 29, 2013 2:47 pm

How do I get the pulley off my BnS 11hp engine?

I have made a jig to bolt into the 3 bolt holes and run a smaller bolt with a trapped nut (like a hub puller) but that hasn't worked.

Don't want to heat it because it damages the oil seal.

Any ideas?

Jonny
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Doug
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PostSubject: Re: Stuck Pulley   Stuck Pulley Icon_minitimeTue Jan 29, 2013 2:59 pm

If youre not willing to use heat youll need to cut it. A puller should have taken it off. Heat is your number one friend.

You can also try PBlaster by soaking the top and bottom of the pulley in it for a few days on end, then trying your puller again.

But really you want to use some torches and a puller.

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Chopperhed
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PostSubject: Re: Stuck Pulley   Stuck Pulley Icon_minitimeTue Jan 29, 2013 4:02 pm

The trick is to heat the pulley by itself. Avoid heating the shaft.
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CornishMorgan
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PostSubject: Re: Stuck Pulley   Stuck Pulley Icon_minitimeTue Jan 29, 2013 4:23 pm

Is the pulley a dual stacked pulley, upper on drives the gearbox, lower pulley drives the cutting deck?

I just took the nut out from the centre, sprayed a load of WD40 on shaft and pulley, i then just ran the engine for a couple of minute and drove it up and down the road. I just took the belt off and the pulley dropped right out along with key.
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PostSubject: Re: Stuck Pulley   Stuck Pulley Icon_minitime

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