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Re: Saw will not start Husqvarna 350
An engine needs three things to run(fuel and air mixed together in the correct proportions,compresion of the fuel/air mixture and ignition).Make carb adjustments,check the compression and the spark from the sparkplug.Priming the engine(put some gas into the sparkplug hole).Try to start the engine.If engine is running only the gas from the cilinder,the chain saw has a fuel delivery problem.Disassembly the carb and clean the inner parts.Check the fuel and air filters,fuel hose and gas tank ventil.
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either blocked fuel filter in the fuel tank ( hook out and replace ) or the fuel tank breather is blocked thus causing a vacume in the tank, to prove this, when the saw starts to die slacken off the filler cap, this will allow air into the tank and it should pick up again, the breather is pressed into the tank on the r/h side rear.
This sounds like fuel starvation, replace the fuel filter in the fuel tank, if this does not help, when it starts to die just slacken off the fuel filler cap, if it picks up and runs normaly then it is a tank braeather issue, the breather is on the top right hand corner of the fuel tank, replace it.
This is classic fuel starvation, start by removing the fuel hose from the tank and replace the filter on the end, if no better, it may be a tank breather issue, when the saw starts to die slacken the fuel cap, if the saw picks up you need to replace the breather, if no better you can make a small adjustment to the H screw on the carb, unscrew ( counter clockwise ) the H screw this will richen the mixture, you will need to pull the anti tamper sleeves back on the screws, this can be done by gently screwing a suitable self tapping screw into the sleeve, when it hits the screw head under neath the sleeve will start to pull back, once pulled half way off you can enter a 2mm screw driver through the centre if the sleeve and intp the slot in the adjuster screw underneath.
It certainly sounds fuel related, remove the fuel hose from the fuel tank and replace the filter on the end, try the machine again, if it is no better it could well be an issue with the fuel tank breather, to test this run the saw until the problem starts to occur, slacken the fuel cap enough to allow air into the tank, if the machine picks up and runs well you will need to replace the tank breather, let us know if this works and i will will go through how to change the breather.
Set choke to full on. To do this depress throttle all the way down and set choke lever to on. Pull starter rapidly until saw fires . Once it has fired set to start and pull starter cord until it starts. If it doesn't start in ten - twelve pulls,reset choke for two or three pulls,then switch back to start. Pull starter cord until it starts. When it starts it wii be at full R.P.Ms. Let run for twenty to thirty seconds. then move switch to run. Hope his helps, Thanks
Kinda hard to hook up the throttle rod incorrectly. When you replaced the piston did you notice which way the arrow on the piston head pointed. It should point towards the exhaust. Also, you probably should have replaced the two crank seals just to be on the safe side. Sometimes, those little creatures can cause total agony and most guys do over look them.