SOURCE: Echo PB-413H bogs down
Echo tools have a screen in the muffler to arrest sparks. Take off the muffler and remove this screen
SOURCE: ho spark on a pb 403t backpack blower
Be sure you have no spark ( 90% of the units that come into my shop for repair with the complaint of no spark- have a fuel issue). Be sure the spark plug is good.
If no spark then remove the ground wire from the module and check for spark again. You must use the recoil starter- spinning by hand is not sufficient. If still no spark then replace module. If there is spark with the ground wire disconnected then there is a problem with the kill switch or a bad wire.
SOURCE: can't find serial # on Echo PB-500T Blower
Hello,
The number is on the side of the recoil starter, its on a white or silver tag mounted on the underside.
Hope this helps, Matt
If you need further help, I’m available over the phone at https://www.6ya.com/expert/matt_8dbc24bf722649ac
SOURCE: what is gas:oil mixture for Echo PB-500t blower?
50:1 ratio, 2.6oz of 2 cycle oil to 1 gallon gas
SOURCE: ECHO PB-250 blower new used one time carb.needs
Your machine has a rotary-valve diaphragm type carburetor. These carburetors typically only have an adjustment for the IDLE speed with an available option to control the main jet with an adjustable mixture needle.
http://www.echo-usa.com/Products/Blowers/PB-250
Here is the info on the Zama rotary-valve diaphragm carburetor.
http://www.zamacarb.com/prodlist.html#RB
Some have a small adjustment needle in the center pivot of the rotory part, under a brass plug...but most have nothing. Many end users and techs are complaining about the non-adjustable carbs. They are made this way to meet the more stringent EPA emissions codes that are getting tougher each year.
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