Question about Poulan Pro Chain Saw 46cc 20"
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Posted on Jan 02, 2017
SOURCE: Poulan chainsaw 46cc 20" chain
You normally have 3 screws - idle speed - slow running and fast running.
First take care as if it runs faster than idle speed that chain will be whipping around also.
Second you have to determine what is the problem. Is it faulty at low speeds or high speeds ? or won't it idle.
If it has turn stops fitted to the screws you only have a small adjustments either way.
If it won't idle, try turning in the idle screw a half turn - until the chain just starts to move slowly.
If its dying at slow speeds, get is going and slow turn the slow screw out until it starts to run a bit rough then turn it back in to the point where its running smoothly.
Bad fast speed can be caused by simple things such as a blocked muffler ( insects too - I had one blocked off by a mudnest wasp) - otherwise get it running at full and adjust the fast screw as per the slow one - out till its rough then back in slowly until its smooth.
Suggest before all this tho that you get it running with the cover off the carby and then give it a good squirt of carby cleaner first - it may just clear out any 'poop' thats there.
(Have faith even tho I have a Poulan with a carb that refuses to run on anything but carby cleaner. I have pulled it apart a few times and renewed all the perishable bits buts its a real pig)
Posted on Feb 28, 2009
Chain is probably stretched. SAFETY FIRST. Electric saw, make sure power is unplugged. Gas saw, make sure sparkplug wire is removed. Remove the cover where the bar is attached to the saw. U should see an adjustment screw for chain tension and one or more bar lockdown screws. Loosen the lockdown screws and turn the tension adjustment screw to permit the bar to slide back toward the motor. Put the chain back in the bar track all the way around. Adjust the tension screw to tighten chain enough you can't pull it out of the track at any spot. Slide the chain by hand at least one complete revolution feeling for any rough spots. If it moves freely, turn the tension screw enough to tighten the chain properly. Correct tension should allow you to pull the chain appx. 1/16 to 1/8 inch from the bar. Tighten the lockdown screws, replace the cover. Rotate chain by hand a couple of revolutions again to check for smoothness again before starting the saw.
Posted on Jun 26, 2009
Does the spark plug get wet with fuel when pulled through? If dry, try spraying a little starting fluid in the plug hole and reinstall the plug. If it pops at least once, you have fuel delivery problems--look for hardened/ cracked fuel lines. Clean the muffler arrestor screen. When the muffler is off, check the condition of the piston skirt and cylinder wall for deep scoring or obvious wear. Make sure the primer button (if equipped) is filling with fuel when pumped a few times. If it doesn't, make sure the bulb is not hard or cracked and check the lines going to and from it. Check the carburetor bolts and nuts for tightness. The fuel filter in the tank could be plugged, fish it out and check. If you have checked all these items, it may be time to clean and rekit the carburetor. Hope this helps!
Posted on Mar 08, 2010
SOURCE: My Poulan Pro 295 chain
It sounds very much loke the ignition is playing up when hot, just as a little test when it starts to die slacken off the fuel filler cap does it pick up/re start? if yes it is a fuel tank breather issue, replace the breather.
Posted on Apr 25, 2011
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