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Author Topic: Top of piston has....  (Read 350 times)

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Offline Al Smith

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Re: Top of piston has....
« Reply #10 on: September 09, 2015, 05:27:19 am »
About the only saw engines I have found with high carbon build up are those the oiling system are open to the crankcase such as impulse operated McCullochs .That's because eventualy they all leak a little bit and suck chain oil into the cylinder.You can't totally burn chain oil .

As far as heavy mix ratios no kidding I've torn down old saws I know had been ran on 16 to one using motor oil and they were virtually carbon free .They had sat on a barn floor for 30 years to boot .

Offline 660magnum

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Re: Top of piston has....
« Reply #11 on: September 09, 2015, 11:01:04 am »
+1
We should share what we know... someone may learn...
That knowledge can live after us... and that "Pays It Forward".
Be all that you can be . . .

Offline SDB777

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Re: Top of piston has....
« Reply #12 on: September 11, 2015, 08:26:52 am »
Rings are showing delivery today....good thing.
Wife wants to re-do the floor in the spare room from carpet to tile this weekend....bad for me, good for the house and her thing.

I'll let you decide what you think will happen.



Was wondering what size solder folks are using to check squish?  I have some really thin stuff(.015), and I'm thinking that would be far too thin to use.  What is a 'good squish' for the 064?(this isn't a race saw, just a tired workhorse saw)



Scott (yes, I'll be ripping out carpet) B
Jonsered 2186
Jonsered 2094
Stihl MS250
Stihl 064
WoodMizer LT-28

www.slabsblanksandboards.com

Offline aclarke

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Re: Top of piston has....
« Reply #13 on: September 11, 2015, 03:53:03 pm »
   Low 20 thousandths should be fine with stock compression

Offline Al Smith

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Re: Top of piston has....
« Reply #14 on: September 11, 2015, 09:18:59 pm »
Don't feel so bad about not being able to work on the saw in a timely manner .I've had some it took me months to finish .

Offline JohnG28

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Re: Top of piston has....
« Reply #15 on: September 12, 2015, 07:58:54 am »
Better to use rosin core solder as it's a little softer and easier to compress. It's the kind made for soldering electronics. Don't use the acid core or solid solder, the acid is bad in an engine and the solid core is usually too hard to squish down.

Offline mdavlee .

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Re: Top of piston has....
« Reply #16 on: September 12, 2015, 09:10:36 am »
Plastigauge also works. The yellow is .040" thick. Will go down to .010".

Offline SDB777

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Re: Top of piston has....
« Reply #17 on: September 13, 2015, 01:34:11 pm »
I hate painting!
I hate putting tile on a floor!

If you guessed, I wouldn't see a chainsaw this weekend, you win!  She had me slaving away....and now that I'm done, I'm too sore to bend, stand, walk, stretch, think.....I have 18hrs remaining to 'recharge' before going back to work(which at this point will feel like a vacation).


Thanks for the 'squish and solder recommends'!!!!!



Photo's show everyone how I can pay for repairing these old crappy chainsaws....and because photo's are fun.








Scott (quack, quack, BANG) B
Jonsered 2186
Jonsered 2094
Stihl MS250
Stihl 064
WoodMizer LT-28

www.slabsblanksandboards.com

Offline Cut4fun .

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Re: Top of piston has....
« Reply #18 on: September 13, 2015, 02:14:13 pm »
Very cool on those duck calls. Nice
REDNECK Saw Repair Getter Done

Offline SDB777

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Re: Top of piston has....
« Reply #19 on: September 24, 2015, 09:42:31 pm »
After the lawn is mowed, groceries....well groceried and put away, I get to pull a saw apart tomorrow.

Figure a good old fashioned wire brush is good enough to use on the top of the piston....




Someone mentioned pulling oil into the cylinder....how does a person go about checking that?



Scott
Jonsered 2186
Jonsered 2094
Stihl MS250
Stihl 064
WoodMizer LT-28

www.slabsblanksandboards.com

 

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