06/04/02 - Carburetor Problems! :

Well, I was afraid of this. I started the engine up today, and it would not idle. The only way it would run is if I had it WFO, or nearly WFO. I immediately suspected my throttle arm spring removal hack job as the source of my problems, and after a second disassembly, I'm willing to bet that's what it is.

I'm going to call Husqvarna Tech Support tomorrow just to confirm that I caused the problem, and see where to go from here. I have already called them once, and spoke to Alan who ROCKS! He has been really helpful, and is currently researching some information I need to make the shaft adaptor that will go over the engines stock axle. If you are in the market for a chainsaw, I suggest you seriously give Husky a look, as the saw seems to be made very solid from disassembly, and their tech support rocks!

As mentioned before, the saw I have chosen is the Husqvarna 350. Check their website for the vitals: http://www.usa.husqvarna.com/Folder_263/node533.asp?id=3

I have torn the carb down again, to take some pictures and try to help someone else from potentially repeating the same problem I ran into.

Click Thumbnail For Bigger Pic:

1) Disassembled carburetor, missing the spring that makes the throttle arm ratchet. I seem to have misplaced the spring, which further complicates getting the carb to work properly again :/

2) The brass insert with rubber gasket goes in the hole on top of the spring, and the spring pushed against the brass insert making the throttle arm ratchet.

3) I suspect the problem is, that the sprig did not only make the throttle arm ratchet, it also moved the brass insert with the gasket up and down through the hole, allowing fuel to pass through the carb and out the little hole pictured here.

4) Here is the now drilled out, brass fitting that was pressed into the hole pictured. When it was pressed in, it kept the spring from coming out. I drilled out the fitting to remove the spring.

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