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Author Topic: Flywheel Removal  (Read 5751 times)

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Sixstring

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Re: Flywheel Removal
« Reply #15 on: 10 September 2010, 08:59:41 »
There is only one last option.......................











USE A BIGGER HAMMER !!!!!!!!!!              ;D ;D ;D
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henryd

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Re: Flywheel Removal
« Reply #16 on: 10 September 2010, 09:45:26 »
he's already up to a sledgehammer,how much bigger do they come ::) ;D
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charlie

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Re: Flywheel Removal
« Reply #17 on: 10 September 2010, 09:51:23 »
Get the 14lb sledge hammer on it, thats a proper hammer ;D ;D ;D
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Sixstring

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Re: Flywheel Removal
« Reply #18 on: 10 September 2010, 09:53:35 »
Joking aside.......I suppose the other "last alternative" is probally VERY gentle application of heat, despite the warnings in the book about "destroying the temper of the flywheel by adverse application of direct heat" WARMING up the flywheel around the shaft area and then spraying the centre of the shaft with plumbers spray, followed by a good "tap" with a hammer might just do it...............?
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Marks DTM Calib

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Re: Flywheel Removal
« Reply #19 on: 10 September 2010, 17:23:00 »
SMack it, rotate 60 deg, smack it, rotate 60 deg....repeat until it comes off.

Warming the centre slightlty (not cherry red!) wont hurt to much
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dbug

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Re: Flywheel Removal
« Reply #20 on: 10 September 2010, 19:08:18 »
Quote
SMack it, rotate 60 deg, smack it, rotate 60 deg....repeat until it comes off.

Warming the centre slightlty (not cherry red!) wont hurt to much

Thats the way we used to get them off the racing "S" - only really tight one came off while I was inside having a cuppa - had been belting it as above and had a puller locked well on - gave the puller a god thump as I went indoors.  Heard the bang as I was drinking my tea!! :y
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david036

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Re: Flywheel Removal
« Reply #21 on: 11 September 2010, 12:02:43 »
Its still on!!!  Had a blow torch on last night, but don't think it was hot enough.  Have now managed to shear the puller.  Lets hope the new puller doesn't go the same way!!!
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2woody

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Re: Flywheel Removal
« Reply #22 on: 15 September 2010, 10:07:00 »
this way works every time for me - I must have rebuilt over 150 of these over the years.

tighten up the puller as much as you dare.

get a middle-weight ball-pein or claw hammer and hit the flywheel about 4" out from the centre either forwards or rearwards - the intention is to make it "ring", not for a peak loading.

the theory is that the ringing noise is the outside evidence that the flywheel is vibrating as it stretches (minutely) the accompanying movement breaks the taper seat and releases the flywheel.

Same theory as for ball-joint removal

don't hit the puller as you'll only be tightening it further.
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