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#Post#: 58295--------------------------------------------------
Welded and repaired Stihl 084 decomp boss
By: srcarr52 Date: May 28, 2015, 11:52 am
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Someone must have ham handed the decomp in and it c-racked the
top of the boss off the cylinder.
[img width=600
height=450]
(HTM) http://i1133.photobucket.com/albums/m599/srcarr52/Chainsaws2015/WeldingWork/IMG_4158_zpsfo2i6xdh.jpg[/img]
[img width=450
height=600]
(HTM) http://i1133.photobucket.com/albums/m599/srcarr52/Chainsaws2015/WeldingWork/IMG_4170_zps1fgn0bev.jpg[/img]
Build up weld.
[img width=450
height=600]
(HTM) http://i1133.photobucket.com/albums/m599/srcarr52/Chainsaws2015/WeldingWork/IMG_4174_zpszly4rpab.jpg[/img]
Drilled and taped new hole on the mill and then finished off the
rest by hand. The hole was a little off originally from the
remainder of the original. I had to move it over so the decomp
would seat correctly, so the threads are not full circle but
it's plenty to hold it tight.
[img width=600
height=450]
(HTM) http://i1133.photobucket.com/albums/m599/srcarr52/Chainsaws2015/WeldingWork/IMG_4177_zpsfb6mdrg6.jpg[/img]
[img width=600
height=450]
(HTM) http://i1133.photobucket.com/albums/m599/srcarr52/Chainsaws2015/WeldingWork/IMG_4175_zpsrfhp3h0r.jpg[/img]
After a little blending with the bead blaster. (Sorry for the
sideways picture, photobucket takes forever to update an edited
picture.)
[img width=600
height=450]
(HTM) http://i1133.photobucket.com/albums/m599/srcarr52/Chainsaws2015/WeldingWork/IMG_4178_zpsip3mcubk.jpg[/img]
#Post#: 58296--------------------------------------------------
Re: Welded and repaired Stihl 084 decomp boss
By: Chainsawrepair Date: May 28, 2015, 11:57 am
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Very nice. I had a 084 cyl with bad decomp hole that could have
used that treatment.
#Post#: 58297--------------------------------------------------
Re: Welded and repaired Stihl 084 decomp boss
By: srcarr52 Date: May 28, 2015, 12:01 pm
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[quote author=Cut4fun . link=topic=4960.msg58296#msg58296
date=1432832229]
Very nice. I had a 084 cyl with bad decomp hole that could have
used that treatment.
[/quote]
Hmm, so this is a common failure?
#Post#: 58302--------------------------------------------------
Re: Welded and repaired Stihl 084 decomp boss
By: Chainsawrepair Date: May 28, 2015, 2:01 pm
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[quote author=srcarr52 link=topic=4960.msg58297#msg58297
date=1432832473]
[quote author=Cut4fun . link=topic=4960.msg58296#msg58296
date=1432832229]
Very nice. I had a 084 cyl with bad decomp hole that could have
used that treatment.
[/quote]
Hmm, so this is a common failure?
[/quote]
Mine was the first I had seen. But Lakeside Andy seemed to say
it was pretty common when I ask him about it. He had pretty
much said to fix the same way you did.
Not sure but thinking Ron may have my old cylinder. The threads
were gone on half a side if I remember right. [member=5]man of
stihl[/member]
#Post#: 58307--------------------------------------------------
Re: Welded and repaired Stihl 084 decomp boss
By: man of stihl Date: May 28, 2015, 3:59 pm
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[quote author=Cut4fun . link=topic=4960.msg58302#msg58302
date=1432839666]
[quote author=srcarr52 link=topic=4960.msg58297#msg58297
date=1432832473]
[quote author=Cut4fun . link=topic=4960.msg58296#msg58296
date=1432832229]
Very nice. I had a 084 cyl with bad decomp hole that could have
used that treatment.
[/quote]
Hmm, so this is a common failure?
[/quote]
Mine was the first I had seen. But Lakeside Andy seemed to say
it was pretty common when I ask him about it. He had pretty
much said to fix the same way you did.
Not sure but thinking Ron may have my old cylinder. The threads
were gone on half a side if I remember right. [member=5]man of
stihl[/member]
[/quote]Yep I still have that cylinder.
Nice looking fix srcarr
#Post#: 58311--------------------------------------------------
Re: Welded and repaired Stihl 084 decomp boss
By: 3000 FPS Date: May 28, 2015, 7:59 pm
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Nice fix, I like the bead blast blend. Makes it look good.
And looks do matter.
#Post#: 58322--------------------------------------------------
Re: Welded and repaired Stihl 084 decomp boss
By: Gatekeeper Date: May 29, 2015, 10:22 am
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Good looking work. I think I know who's cylinder that is.
#Post#: 58330--------------------------------------------------
Re: Welded and repaired Stihl 084 decomp boss
By: srcarr52 Date: May 29, 2015, 1:09 pm
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[quote author=Gatekeeper link=topic=4960.msg58322#msg58322
date=1432912948]
Good looking work. I think I know who's cylinder that is.
[/quote]
Yes you do, thanks for the referral.
#Post#: 58357--------------------------------------------------
Re: Welded and repaired Stihl 084 decomp boss
By: Gatekeeper Date: May 29, 2015, 5:45 pm
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No problem.
#Post#: 78979--------------------------------------------------
Re: Welded and repaired Stihl 084 decomp boss
By: chy_farm Date: September 28, 2017, 7:30 pm
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[quote author=srcarr52 link=topic=4960.msg58330#msg58330
date=1432922979]
[quote author=Gatekeeper link=topic=4960.msg58322#msg58322
date=1432912948]
Good looking work. I think I know who's cylinder that is.
[/quote]
Yes you do, thanks for the referral.
[/quote]
Very good job Srcarr, what kind of filler rod do you use for
this job, I mean cylinder repair?
I have A-4043 (which is so called silicon-rich), A-5356
(mag-rich) and A-5183 (also mag-rich), wonder if I can try this
job with one of these rods, thanks in ahead.
Chy
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