20 Most Recent Husqvarna "Chain Saw - 16" Bar, 3 Hp - Page 4 Questions & Answers

Is it your chain saw Husqvarna 40?Try carb adjustments H-3/4 turn ,L-2 turns and T a little higherI presume that compression and ignition sistem is adequate for the engine to run.Good luck mihai

Remove the flywheel and check the key has not sheard, if this is ok the only thing you can do now is to increase the air gap between the ignition unit and the flywheel magnets, move it out to 0.8mm and try again, this will alter the ignition timing slightly and reduce the drag from the magnets.

The345 should have a blue push in deco valve on the r/h side of the cylinder, if not there may be a 13mm blanking screw there, this can be removed and a deco valve fitted.

as long as your 5020av has a 3/8 sprocket it will work they make a professional landowner and homeowner for these saws each costing different prices tell the dearler what your doing and he can decide what you need

You'll definitely have to unlock the chain brake to get the cover back on. You should be able to unlock it by pushing the chain brake handle forward, toward the bar and chain when mounted on the saw.

Not sure there is a service manual for this saw, what are you trying to do to it?

those are the throttle adjustment screws H is high L is Low for the air mixture of the idle.

http://www.ehow.com/how_7241334_adjust-husqvarna-carburetor.html

1 view piston. To do this, remove the muffler. 2 to change seals on crankshaft.

Hitting the ground could just be a coincidence. Try changing the spark plug. murf427

If it will run for ten minutes before it stops i would say it is either the fuel tank breather ( to test this slacken off the fuel filler cao when it starts to die, if it picks up again replace the breather ) or it is a problem with the ignition unit breaking down, replace the ignition unit.

in can be a number of things to check main thing is piston and rings , crack in the fuel line , ignition coil , or check valve in carby , air leak in crank seals