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Post by xl130 on Jan 20, 2020 18:59:30 GMT -5
That's a pretty damned big chip to make it all the way to that point! OMG! I can’t believe that thing made it into the reed! That’s some weird stuff going on there! Was there a huge hole in the carburetor manifold?
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Post by sweepleader on Jan 20, 2020 21:02:56 GMT -5
What about all the other stuff that got in there with that big chip? Lots of stuff much smaller than that could cause serious damage to bearings and pistons.
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Post by dpress on Jan 21, 2020 6:18:19 GMT -5
I appreciate that the engine may have eaten quite a lot of wood chips, but when I pulled the silencer off the bore walls looked just perfect, as did the piston crown etc, so I am going to leave it well alone for now. I turned it over by hand with the plug out and it seemed smooth as it rotated. There was no evidence of anything solid in the silencer, just some oily carbon build up. All the chippings must have got in through the hole in the air box where the manual oil line once entered. I expect a previous owner may have fitted a blanking plug when the oil line was removed, but there was no trace of it when I bought the saw. The air filter and cover are all good, and were clean, and perhaps the lack of blanking plug was not noticed? I don't have any history with the saw, so it may well have been through a number of hands while suffering with the flooding issue. There was certainly a good bed of oily crud in the bottom of the air box, under the carb and around the manifold as well. What amazed me is that it could run at all with one of the reeds stuck open like that! I am hoping I just got lucky - there is a good layer of clear silicon over the blanking plug I fitted to plug that hole, so the same problem will not be happening again....
Steve
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Post by sweepleader on Jan 21, 2020 17:11:22 GMT -5
That's great, glad you have it under control. Be aware that silicon is not great with gasoline and it may soften and fall off, motoseal or something similar might be a better choice for that application.
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Post by rowdy235 on Jan 21, 2020 21:46:50 GMT -5
"seal all" is my sealant of choice for gasoline and oil (or environments that may contain one or the other!). Comes in a yellow tube and pretty inexpensive. I've got equipment I used it on 10 years ago and still holding up fine!
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Post by dpress on Jan 22, 2020 3:52:47 GMT -5
The clear silicon I used is actually an 'instant gasket' type of automotive product - but rest assured I will be checking that plug before and after every use! I became quite good at taking the carb off, but don't particularly want to practise anymore......
Steve
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