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Clutch Toast?

dseebauer

dseebauer

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Joined
Apr 9, 2021
Messages
7
Location
CT
Tore down the clutch and Oiler. Bearing/seal looks ok to me, i.e., not obviously burned or damaged. The worm drive seemed a bit dark and crusty, but clutch bearing spins ok. Oiler spins free and appears clear. Though I think it leaks. Most obvious problem to me is the clutch springs do not hold on to anything. No tension st all, which seems off. Pictures attached. Unless someone sees something else it looks like a new clutch and drum kit. Maybe worm/ bearing.
 

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SteveSr

SteveSr

Addicted to ArboristSite
Joined
Mar 3, 2003
Messages
2,237
Location
Raleigh, NC
Tore down the clutch and Oiler. Bearing/seal looks ok to me, i.e., not obviously burned or damaged. The worm drive seemed a bit dark and crusty, but clutch bearing spins ok. Oiler spins free and appears clear. Though I think it leaks. Most obvious problem to me is the clutch springs do not hold on to anything. No tension st all, which seems off. Pictures attached. Unless someone sees something else it looks like a new clutch and drum kit. Maybe worm/ bearing.
Looks like you sort-of lucked out. What happened to the oil pump? No photos? Was it obviously melted? Everything that you removed needs to be replaced.

However, before spending that money try running it with the clutch and oiler removed and see how it runs. If it runs properly you got lucky. If not pull the muffler and post photos of the piston visible through the exhaust port.
 
dseebauer

dseebauer

ArboristSite Lurker
Joined
Apr 9, 2021
Messages
7
Location
CT
Looks like you sort-of lucked out. What happened to the oil pump? No photos? Was it obviously melted? Everything that you removed needs to be replaced.

However, before spending that money try running it with the clutch and oiler removed and see how it runs. If it runs properly you got lucky. If not pull the muffler and post photos of the piston visible through the exhaust port.
Oiler was fine it seems. Loose, no melting at all. Clean. I took a picture but since it had no obvious issues I left it out. I’ll try running when I get back to shop later today. Thanks.
 
dseebauer

dseebauer

ArboristSite Lurker
Joined
Apr 9, 2021
Messages
7
Location
CT
Looks like you sort-of lucked out. What happened to the oil pump? No photos? Was it obviously melted? Everything that you removed needs to be replaced.

However, before spending that money try running it with the clutch and oiler removed and see how it runs. If it runs properly you got lucky. If not pull the muffler and post photos of the piston visible through the exhaust port.
It runs ok. Not sure if it is any worse than before. Bit rougher than I might remember. I ordered the parts so we'll see how it does once they come in.
 
Big_Eddy

Big_Eddy

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Joined
Sep 13, 2016
Messages
231
Location
Eastern Ontario
With it idling and clutch off, using the little straw, squirt some brake clean right at the intersection of the crank and bearing to check the seal.if the saw dies instantly, new seal required.


Sent from my iPad using Tapatalk
 
Piotr Pakula

Piotr Pakula

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Joined
Oct 29, 2018
Messages
162
Location
Poland
With it idling and clutch off, using the little straw, squirt some brake clean right at the intersection of the crank and bearing to check the seal.if the saw dies instantly, new seal required.


Sent from my iPad using Tapatalk
Is it a brake cleaner?
Sorry gogle translate
 
SteveSr

SteveSr

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Messages
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Location
Raleigh, NC
With it idling and clutch off, using the little straw, squirt some brake clean right at the intersection of the crank and bearing to check the seal.if the saw dies instantly, new seal required.


Sent from my iPad using Tapatalk
Just make sure that you use the NON-chlorinated variety of brake cleaner which won't attach plastics like the chlorinated variety.
 
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