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decided to replace the lead wire on the 010AV. some interesting things. to remove the flywheel, there are no screw holes or internal threads to anchor a puller. I looked at the service manual and they have a special puller that is basically a long nut that threads onto the end of the crank shaft. it says to thread it on, back it off 1 turn, hold the flywheel with 1 hand and hit the end of the tool. basically, they're saying to hammer on the crankshaft. something I've never wanted to do LOL. the tool is long because the flywheel has a deep well where the crankshaft is. at least the threads are taking the blow and not the end of the crank. made my own tool and it worked, came right off.

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the other thing though, is the flywheel keyway. have never seen anything this bad. wonder if someone was trying to change the timing? that or they just F'd it up. the flywheel was actually rubbing against the coil or whatever it's called where you set the air gap. not sure how it was even running.

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on the 010AV I posted above. got it running great, but every time I put the top cover back on, it would start crapping out and die. it has a thick wool looking air filter, which I had cleaned, but finally realized that it must be clogged. the funky choke was working perfectly. received this in the mail today, can't wait to try it out but been doing hurricane prep yesterday and all day today. live on the upper florida gulf coast. hopefully in a couple of days. gotta be the filter, nothing else I can think of.

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very surprised that the new air filter did not fix the problem. starts easily, revs clean and idles steady until the top cover goes on. WTF? can the funky top cover choke be blocking the carb inlet? it pops up and locks in place when the switch is pushed to the no choke position. aargh.
 
Some late year bench action. Same customer that has the two TS420 saws I serviced last summer but this one is newer and not beat to death.

General maintenance and a hard start complaint with plug fouling. Plug is wrong heat range and fuel filter acting half restricted. Finish it off with some carb adjustments and a new belt.

Easy Peasy!

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on the 010AV I posted above. got it running great, but every time I put the top cover back on, it would start crapping out and die. it has a thick wool looking air filter, which I had cleaned, but finally realized that it must be clogged. the funky choke was working perfectly. received this in the mail today, can't wait to try it out but been doing hurricane prep yesterday and all day today. live on the upper florida gulf coast. hopefully in a couple of days. gotta be the filter, nothing else I can think of.

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There are 2 choke flaps used on these saws. A flat one and one with and edge on it. The filter you have may be too high in the choke area. Also make sure the flap pulls up all the way from the filter plastic around the carburetor inlet. Remember, the air has to come up and the down the carb throat. The is no other place for it to enter. Have an 81 009 as you can see. Many upgrades in parts over the years. Early carbs were terrible. Early tank vents sucked until they were routed from under the cover to the recess in the case by the sprocket.
 

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