Question about Garden
I recently inherited the above blower which appears to be in almost new condition. Following the starting instructions I have been unable to start it. I replaced the existing gas/oil with new gas/oil. Removed, cleaned and regapped the spark plug. Check for spark-appears weak but I don't know if that is normal on such a small engine. Disassembled the carb and primer bulb which does seem to be working. Tried putting a little gas/oil into the cylinder but the engine still did not start. Almost seems like it is not firing. Any suggestions? Thanks.
Pull off the muffler and you should see the piston and ring. Look for carbon buildup...poke the ring to see if it is stuck in it's groove...there should be a bit of spring in the ring. You might see carbon scoring. Stuck ring means low compression which means no start. Carbon buildup is due to too much oil in fuel mixture.
Posted on Jul 16, 2013
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Posted on Jan 02, 2017
Ok. Good job on doing what you could, right off! The simplest things are the most overlooked, and the most unforgiving.
So, you know your plug is wet, so you got some fuel flow.
Now let's figure out the plug no-fire problem. (This is under the assumption you haven't beat on this blower with a sledge-hammer at one point. The whole "key-way" is fried thing.)
1. Grab ahold of that plug THEN crank away. One time will tell you yes or no on spark. No, I am not joking, and yes, it is better than staring at the end of a plug and wondering if your eyes are bad.
In fact, better than a cup of coffee......in a bad way.
2. Check your kill switch. It is either: Grounding, or Open (open like it should be, UNTIL you push it, click it, or slide it, whatever you got). One CHEAP and fast way: Unhook the kill switch.
Then crank away. No spark? Not the kill switch then!
3. Check your spark plug GROUND. Let's say you got some shocking results from grabbing onto that bad boy. NOW check where the plug meets the cylinder head when she is screwed down in there. Believe it or not.....if it is funky, she won't ground right!
Hence, no worky.
4. You got no spark at all.....STILL. Let's look over your Spark Plug WIRE. Is she wore through? Is SHE grounding out? Has she heat failed? Then do #5.
5. STILL no spark. Let's check the last 2 things......
Rotor Magnets, and Magneto (ignition coil).
IF you have a volt/multi-meter, hook her up to the plug wire. No juice = Bad Magneto, or Bad Plug Wire. SOME juice = Good Magneto, but Bad Plug Wire (in some mowers/weedeaters, etc., remember that the Magneto is where the kill switch hooks too.
See if it is somehow grounding you out, by being loose but still touching the cylinder, etc.)
6. Failing Magneto. This can happen, and it does. You get SOME juice, just not ENOUGH juice. 2-Strokes make a lot of heat, even Magneto's give up the ghost after a while, sometimes. In this case, find a replacement!
Posted on May 30, 2009
Alright, remember that 2-Stroke motors are meant to do 2 things:
Break down, then Frustrate you.
So, here we go: (Electrical)
Rotor Magnets, Magneto (ignition coil), Spark Plug Wire, Spark Plug, Spark Plug Ground (Cylinder Head).
In that order!
Check your "fire" from the Magneto:
1. Check your Kill Switch. In other words, leave everything normal, and unhook it. Did she start? Kill Switch it is! Kill Switch/Wire comes from the Magneto (single wire/ground) to the Switch itself. So check that wire AT the Magneto (Is it loose and grounding out? Is the Kill Switch grounding you out where it is, because of crud, junk, or because it is touching the block when it is not supposed to?)
2. Check your Spark Plug Wire. Easy, unook it from the plug, stick your finger in, give it a crank (non-MultiMeter way). Did you get shocked? Then it ain't your Plug Wire and Magneto!
With a Multi-/Volt Meter, simply hook her up, and check for juice WHEN you pull the rope. If you got juice, it ain't your Plug Wire or Magneto!
Checking Spark the "normal" way: Grab the Plug with a pair of insulated pliers, hold the plug end against the cylinder head, and pull your rope. Any Spark? What color?
3. STILL no fire. It leaves: Magneto and Plug Wire.
Luckily, they are both in the same place! Tear your blower down, and check to see if the Magneto has slipped out of place (gap is WAY out), or if the Plug Wire has worn to the point it is grounding you out. While you are there, check your Kill Switch wire, to see if she is grounding you out then and there.
4. STILL no fire. That means: Magneto Failing, or Magneto JUNK.
Buy another one, replace it! (Or steal one from another junk Blower/Weedeater. These things are fairly standard, and easy!)
Or, Bad Plug Wire. Meaning she has failed out on you.
Wait......that means: Replace your Magneto! Lucky the things are built together right?
Posted on May 30, 2009
primer bulb on weedeater will not return to normal or **** gas into it. new primer bulb. lines to tank have been repalce and can blow through them but primer bulb will not push air into tank
Posted on Aug 21, 2009
Sounds like you have tried the most common things. And yes, a carb at that price would be much more effective than spending any more time on the old one.
*double check this list first however, and if all is well, continue with the carb.
Basics to check:
1) Spark plug - brown or dark brown - OK
a) is it carbon or fuel fouled
b) is there spark
2) Muffler remove for inspection
a) exhaust screen clean or plugged
b) inspect cylinder wall/piston as the flywheel is slowly rotated
3) Check cylinder compression
Posted on Nov 25, 2009
SOURCE: poulan pro blower wont crank
Maybe time for somek maintenance. Pull the carb and take the cover off the end without the hole in the cover. Careful with the gaseket and diaghram (which may also need replacing). Look under the diaghram for a small hole about 1/4" diameter. There will be a very fine mesh screen in there. Make sure it is clean and spray the holes you see with a non-flammable brake cleaner. Most carb cleaners and such are TOO harsh and do more harm than good with these carbs. Look around because that area is where fuel goes to the other side of the carb to be metered and sent to the engine.
Posted on Aug 12, 2010
Testimonial: "guru, thanks for the advice on the poulan pro blower. will give a try. also, do you know of a service manual download for the blower. "
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