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#Post#: 1261--------------------------------------------------
How to video thread
By: mweba Date: March 22, 2011, 11:29 am
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How to video thread.
Short vid of splitting a case with a homemade press.
HTML http://www.youtube.com/watch?v=mT0oJ-0s758
Showing progress of a "woods port" Left side is untouched,
right is ground out.
HTML http://www.youtube.com/watch?v=KeUh3ud-yOw
#Post#: 1262--------------------------------------------------
Re: How to video thread
By: mweba Date: March 22, 2011, 11:37 am
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Checking squish with solder above wrist pin.
HTML http://www.youtube.com/watch?v=b0Wuco9FOoo
Flywheel removal using Husqvarna "knocker" service tool
HTML http://www.youtube.com/watch?v=jDDtDYUkNkQ
#Post#: 1263--------------------------------------------------
Re: How to video thread
By: mweba Date: March 22, 2011, 11:43 am
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How to cut a cookie ;)
HTML http://www.youtube.com/watch?v=JP3sIlwPS5E
Installing bearings using a freezer and oven.
HTML http://www.youtube.com/watch?v=COIrvOZ3L-A
#Post#: 1266--------------------------------------------------
Re: How to video thread
By: Chainsawrepair Date: March 22, 2011, 11:57 am
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Neat idea of putting how to's on video. Thanks for sharing them
here and hope the video's continue. 8) ;D
#Post#: 1281--------------------------------------------------
Re: How to video thread
By: blsnelling Date: March 22, 2011, 7:13 pm
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Nice vids mweba.
#Post#: 1489--------------------------------------------------
Re: How to video thread
By: Chainsawrepair Date: March 28, 2011, 7:26 pm
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(Flywheel removal using Husqvarna "knocker" service tool)
What keeps this tool from messing up threads and exactly how
does it work? Does it have something inside to take up shock to
threads?
I usually just put the nut on 3/4 on and tap till fly breaks
loose. Yesterday I had a impossible fly to break loose. So when
I went to remove nut it removed the threads on the crank end and
also stripped out the threads inside the fly nut.
So I broke out my mini 3 jaw and pulled fly right off.
Put new flywheel and new nut back on and all was good to go with
a buggered up crank end. :-[
#Post#: 1494--------------------------------------------------
Re: How to video thread
By: mcbob Date: March 29, 2011, 12:57 am
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The Mac service school told us to hold the flywheel with a pair
of pliers and tap the crankend after loosing the flywheel nut
and wind it to the end of the threaded section then tap with a
copperfaced hammer and PRESTO.
#Post#: 1498--------------------------------------------------
Re: How to video thread
By: Al Smith Date: March 29, 2011, 9:11 am
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Usually a mechanical puller will loosen any flywheel . A little
tip that may apply in some stuborn cases .Apply a little heat
right around the hub with a heat gun .
The aluminum flywheel will expand at a much greater rate than
the steel crankshaft .
Another is when using a puller ,take good tension then strike
the puller with some impact .This will often pop them loose .All
you have to do is move it off the taper just a very little bit .
I've seen a lot of small engine crankshafts get ruined from
people beating on the nut with a ball peen hammer .
#Post#: 1515--------------------------------------------------
Re: How to video thread
By: mweba Date: March 29, 2011, 9:32 pm
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[quote author=Chainsawrepair link=topic=174.msg1489#msg1489
date=1301358408]
(Flywheel removal using Husqvarna "knocker" service tool)
What keeps this tool from messing up threads and exactly how
does it work? Does it have something inside to take up shock to
threads?
I usually just put the nut on 3/4 on and tap till fly breaks
loose. Yesterday I had a impossible fly to break loose. So when
I went to remove nut it removed the threads on the crank end and
also stripped out the threads inside the fly nut.
So I broke out my mini 3 jaw and pulled fly right off.
Put new flywheel and new nut back on and all was good to go with
a buggered up crank end. :-[
[/quote]
"knocker" bottoms out on the end of the crank. It does not
exert force on the threads, actually protects them. Pullers
work also but there isn't always clearance to get the jaw in
place. I used an alum flywheel punch on the larger older
cranks.
#Post#: 1516--------------------------------------------------
Re: How to video thread
By: Chainsawrepair Date: March 29, 2011, 10:14 pm
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[quote author=mweba link=topic=174.msg1515#msg1515
date=1301452373]
[quote author=Chainsawrepair link=topic=174.msg1489#msg1489
date=1301358408]
(Flywheel removal using Husqvarna "knocker" service tool)
What keeps this tool from messing up threads and exactly how
does it work? Does it have something inside to take up shock to
threads?
I usually just put the nut on 3/4 on and tap till fly breaks
loose. Yesterday I had a impossible fly to break loose. So when
I went to remove nut it removed the threads on the crank end and
also stripped out the threads inside the fly nut.
So I broke out my mini 3 jaw and pulled fly right off.
Put new flywheel and new nut back on and all was good to go with
a buggered up crank end. :-[
[/quote]
"knocker" bottoms out on the end of the crank. It does not
exert force on the threads, actually protects them. Pullers
work also but there isn't always clearance to get the jaw in
place. I used an alum flywheel punch on the larger older
cranks.
[/quote]
Which one fits 372 and maybe the one for 346 etc? Do you know
the part numbers.
Flywheel removal tool
(coarse thread)
For all models
Part. No. 504 91 08-07
Flywheel removal tool
(fine thread)
For all models
Part. No. 502 51 94-01
Yeah it was hard to get clearance on all 3 jaws. But somehow I
managed it.
Almost was going to grind the jaw end that was at bottom to give
me more clearance.
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