little black rubber bumpers.....,etc.

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florsti

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southern ont
I felt the need to tell the world about this lesson I learned a while back about chainsaw parts and their purpose, particularly, on one 046 of ours. At the end of one fine day, as usual, I was cleaning and sharpening the saws in our shop when I got a little frustrated with the black rubber bumper that sits on the inside of the sprocket cover (where the chips fly out), the stupid thing kept falling off for some reason. So, not even thinking, I left it on the work-bench and put the saws away for the next day's work. The next morning, as usual, we head out to the back of the yard to start cutting......, things are going great, the maple is cutting like butter, no dirt, and then SNAP! The chain breaks. So no big deal, right..., until I start to feel this warm wet sensation on my leg. Gas..., after a closer examination it quickly appeared to me that much more than a simple chain break had occured. The chain had whipped around the sprocket smashing the cover (where the bumper should have been) and slashed a 2 inch hole in the fuel tank, rendering the saw useless. And as many of us Stihl owners know that to fix this saw means ordering an entire gas tank/handle/carb-mount assembly, sprocket cover and the little black rubber bumper (that would have prevented this mini-disaster in the first place). Nuff said.

Heff
 
I've done several gas tank repairs on saws and vehicles using two part epoxy steel. Clean the parts up thoroughly with aerosal brake cleaner and then soap and water first. Put several thin layers on. Worth trying before shelling out the bucks and time to strip the saw.

Tom
 
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