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Author Topic: 090 fan/flywheel removal  (Read 798 times)

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Offline aclarke

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090 fan/flywheel removal
« on: November 19, 2014, 08:43:00 pm »
Any special tools or technique to remove fanwheel from flywheel?
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Offline neil

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Re: 090 fan/flywheel removal
« Reply #1 on: November 19, 2014, 08:57:34 pm »
pretty sure they are just screwed onto the flywheel Adam, there is one here at work I could look at later.
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Offline aclarke

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Re: 090 fan/flywheel removal
« Reply #2 on: November 19, 2014, 09:56:01 pm »
Neil. hope all is well in Aus

Helping a friend get this thing apart Unscrewed the four machine screws and it seems to be locked on from age.
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Offline ChoppinBill

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Re: 090 fan/flywheel removal
« Reply #3 on: November 19, 2014, 10:33:23 pm »
There was a paper installed between fanwheel and flywheel - with age it seems to glue the two pieces
together. A slight tap against fanwheel at odd angles will get it separated- usually - But do not hit it too
hard or will have several pieces rather than just two parts.....
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Offline mcbob

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Re: 090 fan/flywheel removal
« Reply #4 on: November 19, 2014, 10:48:02 pm »
Theres the correct puller needed for the flywheel 4 screws hold the fan on
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Offline stihls066

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Re: 090 fan/flywheel removal
« Reply #5 on: November 20, 2014, 12:44:01 am »
Just to clarify its a lightning not a standard 090. No threads on inside of flywheel hub like the 090 has. If aclarke is referring to the same friend. 
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Offline aclarke

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Re: 090 fan/flywheel removal
« Reply #6 on: November 20, 2014, 01:04:09 am »
No threads inside the hub for pulling! I figured my standard Stihl puller sets would work but no dice. Thks for the input
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Offline neil

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Re: 090 fan/flywheel removal
« Reply #7 on: November 20, 2014, 02:53:16 pm »
Quote from: aclarke on November 19, 2014, 09:56:01 pm
Neil. hope all is well in Aus

Helping a friend get this thing apart Unscrewed the four machine screws and it seems to be locked on from age.

All is good here in Oz mate, 1 meet to go this Saturday to finish off our racing season, been a long season this year.
I agree with choppinbill, the fan and flywheel do stick sometimes and need a little tap, a puller is needed for flywheel removal.
I have not had anything to do with the old lightning's.
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Offline aclarke

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Re: 090 fan/flywheel removal
« Reply #8 on: November 20, 2014, 03:05:18 pm »
Good deal Neil!
Fanwheel came off and this saw has the internally threaded flywheel so the 26x1.5 Stihl puller should work.  Thks guys...
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Offline mcbob

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Re: 090 fan/flywheel removal
« Reply #9 on: November 20, 2014, 05:25:44 pm »
Same puller works on the Stihl 660 Adam
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