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Sty57

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Service tools, I always buy them when I'm done with those saws lol
346 and 550 tools:
View attachment 41027

My dealer trained me up how to use their AT program, and I could come there anytime and plugin my saws and do my work there, all for free, to bad it's 3 hour drive for me but it's worth it, all my money will go to them!

First one is from one who has airleak (lean scoring), or....
View attachment 41028

Second one is blown crank rod bearing....46 hour!! carb has gone in lock position, we will fill it up with fuel next time and see.
View attachment 41029
I know I'm just a dumb farm kid. But Tor I can't read anything on the printouts. [emoji57]
 

Tor R

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I know I'm just a dumb farm kid. But Tor I can't read anything on the printouts. [emoji57]
neither do I Brian, I'm in learning experience, will be more interesting when I bring all my AT saws and carbs next time and print out the values.

I think the first two values is H and L
The Min, Max, gj.snitt (average) is what type fuel the carb has adjusted for, 60 means probleby Alkylate fuel or E25, while 100 is probleby straight gas.

Next time I go there I want to sit down and read through it all, today was just step 1
 

Landmark

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Got back to work on the 281/288 that the guy used a screw driver for piston stop. Rebuilding carb tonight and he has taken carb apart and tried to put back together and didnt get dowels in hole. Forced it with alot of pressure and mushroomed the dowel. Some guys dont need to work on things. Luckily i had a spare tilly for parts.
 

Cut4fun

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Had a 290 come in no start.

For one muffler had come apart inside. Typical of these mufflers.

The sparkplug had come loose alittle bit and the gap was almost closed. Like it took a hit in my WAG.
Also notice small chip in top left side of piston edge. New damage or since new no clue.

Finding this looking inside the OLD sparkplug I find these little balls? I think they are molten metal WAG.
Also found them on top of piston and can move them around.

Seems magnetic too. IMO it had ingested something from the muffler and got lucky and spit it back out into muffler.

So what am I seeing here with these? What I could save after removing.

catsj290 004.JPG catsj290 005.JPG
 
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