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#Post#: 40743--------------------------------------------------
Factory Tools?
DIR By: KilliansRedLeo
Date: May 29, 2014, 7:50 pm
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I need to remove the clutch, flywheel and split the cases on a
Dolmar 7900. I am wondering if there are factory tools for these
things and what the part numbers for the tools might be.
#Post#: 40744--------------------------------------------------
Re: Factory Tools?
DIR By: 660magnum
Date: May 29, 2014, 8:08 pm
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The Dolmar 372 clutch tool works on the 7900.
There's been a great deal of this work done without factory
tools but just common general purpose ones.
There's no internal threads on the exterior of the flywheel to
use a special tool like on a Stihl.
#Post#: 40745--------------------------------------------------
Re: Factory Tools?
DIR By: Bitburger
Date: May 29, 2014, 8:17 pm
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German Handbook says roughly:
Removing the flywheel by using the bolt part 944.500.880 in
order to apply jarring blows on the shaft end of the crankshaft
without damaging the thread.
There is no puller as for older models. Hope this helps... :P
#Post#: 40746--------------------------------------------------
Re: Factory Tools?
DIR By: man of stihl
Date: May 29, 2014, 8:19 pm
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I use a punch on the end of the crank. Have someone hold the
saw. Whack the crank with punch. Saw goes down. Flywheel stays
up. Flywheel is off. I'll talk to my Amish dolmar dealer this
weekend about a clutch tool.
#Post#: 40747--------------------------------------------------
Re: Factory Tools?
DIR By: man of stihl
Date: May 29, 2014, 8:26 pm
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What saw is this TJ?
#Post#: 40748--------------------------------------------------
Re: Factory Tools?
DIR By: 660magnum
Date: May 29, 2014, 8:28 pm
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--- Quote from: man of stihl link ---
>
> What saw is this TJ?
>
--- End Quote ---
Dolmar 7900
#Post#: 40749--------------------------------------------------
Re: Factory Tools?
DIR By: man of stihl
Date: May 29, 2014, 8:31 pm
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OK. I think he uses a husky case splitter but I'll ask this
weekend. I guess he says what saw in his first post lol.
#Post#: 40750--------------------------------------------------
Re: Factory Tools?
DIR By: KilliansRedLeo
Date: May 29, 2014, 8:33 pm
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I checked, it appears that the Husqvarna 372 clutch tool will
work on the clutch.
#Post#: 40751--------------------------------------------------
Re: Factory Tools?
DIR By: 660magnum
Date: May 29, 2014, 8:50 pm
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The 372 clutch tool works on my 7900 like it was made for it. A
burp from the air wrench and the clutch spider is off.
I re-did the oil pump on my 7900 last August. While I was at it,
I used a new worm and the newer style clutch bearing. My older
7900 is a 2006 model. Apparently, they changed the bearing in
2009.
The old clutch bearing is a 10 X 14 X 12
The new bearing is a 10 X 16 X 12 and has more rollers
Each bearing requires the appropriate clutch drum.
#Post#: 40752--------------------------------------------------
Re: Factory Tools?
DIR By: 660magnum
Date: May 29, 2014, 8:57 pm
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Also in 2009 there was a new chain catcher used that is rounded
on the chain side.
There was also a cup added to the upper AV on the top handle to
cylinder as a travel limiter.
If the rubber tail (166 chip guide, part # 038 213 190) is not
on the back of the chain cover, chips will eventually erode the
front corner of the gas tank.
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