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Post by makowicki on Dec 27, 2017 17:22:49 GMT -5
I have rebuilt 2 of the SDC carbs with no issues at all. I have rebuilt 2 of the tillotson carbs, both have the same issue. They just flood out. The kits don't have the small welch plug so I don't touch that one. the kit is supposed to fit the carb. Stens 615-104, I have done two carbs both start ok then when I pull the throttle the saw floods gas end up in the air box. I tried leaning down the needles but is never runs correct. If I just about close the HI speed it will run up but not so good. Do I need to set the float/needle valve. the parts look just like the ones coming out.
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Post by sweepleader on Dec 27, 2017 18:42:33 GMT -5
The needle needs to be set any time you change any of those parts, it is fairly critical and new parts upset it.
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Post by makowicki on Dec 27, 2017 18:59:02 GMT -5
Any input as how to reset?
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Post by sweepleader on Dec 27, 2017 19:20:39 GMT -5
With a finger on the needle end of the lever holding the needle down against the seat, the other end of the lever should be flush with the carb casting. Check by laying a straight edge over it, bridging the gap in the casting from side to side. Be careful bending the lever, it is sensitive and do not put a lot of pressure on the needle, it can be damaged. The lever is soft so it does not take a huge amount of force to bend. If it is below the casting, the carb with be rich or flood, if it is above, the carb will be lean or not run at all.
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Post by hotshot on Mar 26, 2018 19:56:05 GMT -5
That’s bassackwards!
Too low of a lever is lean, and too high they will run rich & flood
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Post by sweepleader on Mar 27, 2018 7:27:01 GMT -5
Months later hotshot is right, I got it backwards. Nice catch hotshot.
What is wrong with the rest of you guys, you should be keeping a better watch on me!!
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Post by jerseyhighlander on Mar 27, 2018 11:27:27 GMT -5
Months later hotshot is right, I got it backwards. Nice catch hotshot. What is wrong with the rest of you guys, you should be keeping a better watch on me!! It was two days after Christmas... I was still hungover... I was under the weather... First time I've read this post. You'dve gotten a razzing from me if I caught that first.  |
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Post by undee70ss on Mar 27, 2018 20:04:18 GMT -5
Months later hotshot is right, I got it backwards. Nice catch hotshot. What is wrong with the rest of you guys, you should be keeping a better watch on me!! You got that right Ha! |
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