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#Post#: 77224--------------------------------------------------
Re: Whats on your bench today
By: 3000 FPS Date: May 3, 2017, 10:03 am
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You need to do a quick video of that saw running. The sound
has to be really different. Looks good Chy.
#Post#: 77225--------------------------------------------------
Re: Whats on your bench today
By: HolmenTree Date: May 3, 2017, 2:33 pm
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Yes looks really cool Chy, it would sound really cool too 8)
#Post#: 77238--------------------------------------------------
Re: Whats on your bench today
By: chy_farm Date: May 4, 2017, 6:46 am
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Thanks a lot 3000 FPS and Holmen, I look forward to trying her
too. This afternoon did some carburetor work, replaced her
membrane. Also put front handle on.
After this I found she has got odd spark plugs, both are
Champions, but the numbers are not the same. It seems that the
previous owner replaced one of them with one in his junk box,
lol, but not the correct one.
Showing these, Champion J-8, and CJ8Y in the pic below.
Her front cylinder head does not have much room for larger plug,
so small one in the right must be the correct one.
Let's have a look at it in the IPL,
It says; #44 Spark Plug BPM 7A.
Spark Plug Cross Reference site on the net says; BPM 7A of NGK
matches CJ6Y of Champion. So this CJ8Y is not very wrong, but
seems a little too hotter for the spin speed I need. I think I
should better replace them to the plugs of default number.
Chy
#Post#: 77240--------------------------------------------------
Re: Whats on your bench today
By: Chainsawrepair Date: May 4, 2017, 12:44 pm
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chy
NGK BPM7A cross reference for other choices
See if you can get a Bosch WS5E = Thats what I ran in my
racesaws in stock appearing
In this link is a long list of crosses
(HTM) http://www.sparkplug-crossreference.com/convert/NGK_PN/BPM7A
#Post#: 77250--------------------------------------------------
Re: Whats on your bench today
By: chy_farm Date: May 4, 2017, 5:47 pm
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Thanks Kevin, this Bosh seems to have same thermal type but some
other constructions.
[ftp=
ftp://www.sparkplug-crossreference.com/convert/BOSCH_PN/WS5E]BOS
CH<br
/>WS5E - Alternative spark plugs[/ftp]
(HTM) http://www.sparkplug-crossreference.com/convert/BOSCH_PN/WS5E/
I love to visit this conversion site too. Sounds more fun to
make some comparison between plugs.
Chy
#Post#: 77284--------------------------------------------------
Re: Whats on your bench today
By: chy_farm Date: May 7, 2017, 3:51 am
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Late this afternoon, I made a couple of driver-bits which has
long been at the top of my wish list, for my Dolmar-Stihl
projects.
"Torx long bit"!!
Welding was kind of tricky to me, this ultra hard steel easily
melts down when I wanted it being kept in so call
melt-pool/weld-pool state.
They go into the 4 small holes for fixing cylinder head of these
motors.
Chy
#Post#: 77297--------------------------------------------------
Re: Whats on your bench today
By: Jacks54 Date: May 8, 2017, 7:07 am
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like to see it running chy!!
#Post#: 77306--------------------------------------------------
Re: Whats on your bench today
By: chy_farm Date: May 8, 2017, 7:13 pm
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[quote author=Jacks54 link=topic=1732.msg77297#msg77297
date=1494245277]
like to see it running chy!![/quote]
Hi Jack thanks, I want too!
Do not know why they use a bearing with this complicated design
for the clutch-side, which is grooved like this on its outer
ring. If not grooved we can get a standard one from any where
far cheap!
Chy
#Post#: 77355--------------------------------------------------
Re: Whats on your bench today
By: Jacks54 Date: May 13, 2017, 7:55 am
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ake a close look at the cases
#Post#: 77356--------------------------------------------------
Re: Whats on your bench today
By: chy_farm Date: May 13, 2017, 8:50 am
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I placed an order to a Stihl dealer for parts including this
grooved bearing, do not know their prices though. They say they
do not have stocks of Annular buffer mount for right rear,
crank-case gasket and a piston pin.
Well it's not so hard job for me to make the gasket, the piston
pin is available if I do not mind cutting off it's length a bit,
but the buffer mount....
So tried to make one for alternative use, which comprises of a
spring, one from a 2mm piano wire, but failed this afternoon.
Will try it again the day after tomorrow.
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