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Stihl 070 rebuild


flatyre
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hey folks picked up this 070 basket case a while ago to do a bit of hobby milling. A fellow member suggested a thread to record the rebuild as well as get help and advice. I've changed pistons, carbs, etc on modern saws but never had to rebuild a full saw, also I didn't strip it so have no idea what sequence the washers, bearings, seals etc go onto the crank, what screws go where, wiring and all that. Spud also supplied me with a diagram which is great but I can't make out some of the finer detailed parts. Anyway I've ordered new crank bearings, seals, gasket set, fuel lines, carb kit, and allen key screws.

 

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First off are these parts, I think the bearings go on the crank before the two halves or the crank casing go together, and the seals go on the outside of the casings, but what about the two plastic washers, one has a bevel on the inside edge, the other has a raised step on one face. Then there is the rubber seal (top left of photograph), the two metal washers (bottom left), there is also a wool type washer not in the picture, again no idea where it goes. Is there anything else that should be on the crank before I reassemble the two casings, and should I use gasket sealer on both sides of the new gaskets?

 

1_zps8fghjupv.png

 

out of my depth here so any help will be greatly appreciated:blushing:

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