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Echo Pb - 413t Backpack Blower Questions & Answers
My pb413T want to run only on choke
Its a lean condition... Its not getting enough fuel. Check fuel filter and fuel lines, be sure to use fresh fuel then either adjust the carb or rebuild it.
Need to replace fuel filter
Fuel filter is located inside the fuel tank. You have to make a hook out of about 10" of stiff wire (wire coat hanger works perfect) Hook end should be about 1/2" wide. Remove the fuel cap, insert the wire hook and snag the fuel supply tube with the filter attached to the end. Pull it back through the fuel filler opening, replace the filter and reinsert.
Flywheel removal key crankshaft
Block the piston at bdc with a length of pullcord, then spin the nut on the flywheel, backin it off an 1/8 of a turn he. It bottoms out. Take the socket you used to loosen it, put it on the nut and give it a good whack. The flywheel should be loose.
When not using blower for a couple days it's
HiSounds like you have dirt/debris in your caburetor jets, fuel passages or a diaphram that is becoming non-flexible. Check/Clean/Replace your Air Filter, a dirty air filter can make your engine run to rich with fuel.Note: ALWAYS USE COMPRESSED AIR TO CLEAN YOUR JETS AND PASSAGES, VERY IMPORTANT.Note:Before you disassemble the carburetor:Write down on a piece of paper and or take a picture of how the linkage attaches to your carburetor for later reference when you go to reinstall your carburetor.Mark each piece with a awl, or some kind of sharp instrument that will make an alignment scratch before you disassemble the carburetor into separate pieces.That way you will know which way it goes back together when you reassemble it.Sometimes you can get by with priming the carburetor or by using a very small shot of starting fluid and letting it run a few times like that, and it will flush the gunk out of the jets,but most of the time you will need to rebuild the carburetor.Be sure to check your fuel tank for water and dirt/debris, if there is water/debris then you need to clean your tank.Check you fuel line/s condition...after a while they will degrade and need replacement.Check/Clean/Replace your fuel filter if you have one.When you remove your fuel lines from the carburetor be sure to make a drawing or take a picture of how the lines are connected to the carburetor.Also a good time to take a picture for later reference for reassembly.If the mower is over a couple of years old, then I recommend that you buy and install a new carburetor repair kit,because the diaphragm will get hard and that will cause it to be hard to crank.The diaphgram may look good and flexible, but it can be deceiving and not act as a fuel pump as it should because it has become too hard and will cause hard starting,start and run and shut off, etc.When you clean your carburetor, I recommend that you use a laquer thinner type cleaner to clean and dissolve the laquer build-up in the float and needle jet passages.Be sure to remove all plastic and rubber parts before using the laquer thinner because it can dissolve the plastic parts and render them unuseable.Be sure to use COMPRESSED AIR to blow out all the fuel and air passages.The higher air pressure is needed to blow some of the trash/debris from the fuel or air passages.Be careful when blowing out the passages, because there are sometimes small rubber type seats in the bottom of some of the passages.Keep in mind that the float (if you have one) for the carburetor must be level when you go to reassemble the carburetor or follow the instructions you get with the carburetor kit, or you could also ask the parts man that you get your kit from.When you clean your carburetor and remove the jet screws, you will first need to lightly seat the jet screws.But before you lightly seat the jet screws count the number of turns it takes to seat the jet screws from their original position.Be sure to mark the turns down on a piece of paper.That way when you put the jets back in, you know to lightly seat them first and then turn them back out to their original position before you started.Once you have your carburetor cleaned/rebuilt that should solve your problem.Bud
I have and echo bp250 runs but has no power change
Hello Margaret,I would purchase a compression tester from a local parts store and check compression. They simply screw into the spark plug threads, then you pull on the starter rope a few times and observe the reading. You should have at least 60 psi of compression. If compression is good, I would then check spark. Spark testers are fairly cheap and are available at your local parts store too. If you just replaced the carb, Im willing to bet you will find your answer with the two solutions I mentioned. If spark is weak, the coil can be adjusted closer to the flywheel. If compression is weak, your probably looking at a new cylinder/piston and may not be worth fixing. Hope this helps. Good luck and happy wrenching! I’m happy to assist further over the phone at
https://www.6ya.com/expert/layne_0fccff498c319c32
Replace pull cord
Echo is one of the easiest pull cords to fix, remove the screws on the rewind and take off the motor and flip it over and pull old rope out and put new rope in wind the spring the correct way so when you pull rope it tightens spring so it will wind back up when let go, not winding too tight !
How do I remove a flywheel from an echo pb-413t? I bought a flywheel puller but it still won't budge?
It was pretty hard to get a flywheel puller on there wasnt it?Use a brass hammer and a large flathead screwdriver. being carefull not to pry on anything but the crankcase and flywheel insert the screwdriver under the flywheel. With the hammer tap on the short cooling fins (These are tougher than the longer ones- you dont want to break off any fins) while prying up on the flywheel with the screwdriver. A few taps and it should pop loose. It doesnt require a lot of force but you need to be decisive with your blows.
My echo backpack leaf blower
Without getting to involved with it, did you always mix the correct fuel/oil ratio? or has someone else possibly put straight gas in it without oil? Another possibility is that the recoil could be broke. I would try to determine if the piston is seized in the cylinder. First remove the spark plug and try to pull the starter rope while listening closely for any strange noises from the engine. If it pulls fine then, replace the spark plug and try to start it again. If that doesn't work then I would remove the back cover and remove the muffler so you can look at the cylinder. You will need a phillips screwdriver and a set of metric allen wrenches. Hope that helps.
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