Rusted stihl sprocket tip bar

[alabamatriker]

I was given an 041. Complete saw minus chain. It is by far the dirtiest saw I have ever seen. So much sand under recoil I thought it was locked up. Have done a ton of cleaning and turns over fine. Has good compression so hope to get it going for little money. The bar is rusty and the sprocket is frozen. Any ideas on freeing it up? Really don't want to buy a bar for it. Will be used very little. Will just keep my other 2 041's company. Want it ready to go tho in case it is needed.

 

[Crispexx]

My normal go to for most anything that’s rust or frozen is Sea Foam Deep Creep. Works really well on anything frozen, don’t see why it wouldn’t work on a bar tip.


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[heimannm]

Lube it with your favorite penetrating oil, then carefully tap the sprocket using a wood block or brass punch. My guess is it will free up and work well enough for an occasional use saw. I had one come to me recently that was frozen due to rust and it came free with a little coaching.

Mark

 

[deye223]

Soak it in diesel works every time

 

[RED-85-Z51]

Soak it in Evaporust...then see what is left.

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[CR888]

Lube it with your favorite penetrating oil, then carefully tap the sprocket using a wood block or brass punch. My guess is it will free up and work well enough for an occasional use saw. I had one come to me recently that was frozen due to rust and it came free with a little coaching.

Mark

This, skidding the tip over a round of wood usually frees it up. Being an older Stihl it 'may' have a grease port, pump it full after a soak. But it's the jolt from hitting some wood that'll get it turning again.

 

[scottr]

I use ATF (automatic transmission fluid) .

 

[Philbert]

Sometimes, they are frozen with dried grease; sometimes rust; sometimes dirt; sometimes all three!

https://www.arboristsite.com/community/threads/nose-sprocket-rescue-illustrated.256640/
Philbert

 

[Mad Professor]

Mixture of ATF and acetone in a coffee can, soak tip in it. Then try CR888's tip of skidding the tip teeth over an end of a hardwood round. Repeat until it loosens up.

 

[scottr]

Sometimes, they are frozen with dried grease; sometimes rust; sometimes dirt; sometimes all three!

https://www.arboristsite.com/community/threads/nose-sprocket-rescue-illustrated.256640/
Philbert

I bound up the 7 tooth sprocket on my first saw cutting a punky chinaberry tree . Had to use mix and a borrowed coffee can to free it up .

 

[Philbert]

Yeah, I jammed up one with just wood fibers.

Philbert

 

[HarleyT]

"Deep Creep" is what the neighbor kids call me.....

 

[homemade]

Strap it to the 660 and giver the power.


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[deye223]

Strap it to the 660 and giver the power.


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Next question he would ask on the forum is help with removing clutch

 

[Yukon Stihl]

Try everything till it frees up.
If you make an electrolysis tank it will free up for sure

 

[homemade]

Yup


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[Wood Doctor]

I once bragged at my favorite bar/grill that there were very few frozen sprocket tips that I could not get working again. A logger overheard me and the next time I was there he gave me this to fix:

Needless to say, I decided never to brag about my repairs at that place again.

 

[Philbert]

Nothing wrong with that bar: just hard to find the right chains to fit it!

Philbert

 

[rupedoggy]

Well did you fix it?

 

[Bwildered]

I was given an 041. Complete saw minus chain. It is by far the dirtiest saw I have ever seen. So much sand under recoil I thought it was locked up. Have done a ton of cleaning and turns over fine. Has good compression so hope to get it going for little money. The bar is rusty and the sprocket is frozen. Any ideas on freeing it up? Really don't want to buy a bar for it. Will be used very little. Will just keep my other 2 041's company. Want it ready to go tho in case it is needed.

If it is rusted up , it's toast, even if you do free it up , the bearing surfaces will be pitted & it will fail after some use, probably at a crucial moment no doubt as well.