Question about Echo Gas Blower 204 MPH765 CFM Blower PB770H

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My Echo Blower Model: PB 755 T was working fine I stopped it to put more gas and now it won't start,

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Spray carb clean in the carb, just a shot with throttle all the way open then try starting, If it fires then you have a fuel problem,like maybe the filter in tank dirty or dirt made it to carb or needle valve is stuck in carb.

Posted on Apr 05, 2011

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1 Answer

My echo pb-755 blower will no switch off


best to just buy new switch, cost about $7.00 from echo.good luck

Dec 07, 2011 | Echo Garden

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I have an Echo PB-500T blower that won't throttle up. I bought this blower new about 3 months ago. Before this blower I had an exact same blower that gave me the same problem. I returned that blower...


Remove the in tank fuel filter and take it apart, the felt Echo uses on the filter clogs quickly. There is still a mesh screen filter in the assembly so make sure you put it all back together and reinstall the fuel filter into the tank.

Oct 02, 2011 | ECHO, Inc. PB-251C Handheld Blower

1 Answer

Oil to gas ratio


The ratio is 50:1. You can usually by oil in a container that matches the size of your gas can, takes the guess work out of it.

Nov 05, 2010 | RTO Echo Pb-755 Backpack Blower In Box

1 Answer

Pb 755 runs but when you open it up for more power it will not give it to you charge fuil filter ,air filter new spark plug new could it be the rings


Does it still run the same or bog out? Look at the fuel line going into the carb and see if it has bubbles in it. When you pump the primer you will see them moving in the line. If so then replace the line where it is leaking. It could be coming from the carb to the primer. Then it is coming from inside the carb. Needs to be rebuilt or at least cleaned. Take it off and slowly take it apart careful not to damage the gaskets. And you can clean it and put it back together. Or get a kit. Probably 15 or so. Here is a site where you can get parts and a break down of it. Good luck.

http://www.ereplacementparts.com/echo-blower-parts-c-35043_35044.html

Oct 02, 2010 | RTO Echo Pb-755 Backpack Blower In Box

1 Answer

Need oil/gas ratio for Echo back pack lblower - model PB-400E


Since every engine is different the manufacturer almost always has it printed in the gas cap. It should look like 50:1 or 50/1 (50 parts gas to 1 part oil).




















Mar 31, 2010 | ECHO, Inc. PB-251C Handheld Blower

1 Answer

I lost my manual. What is the gas to oil ratio?


Your manual can be found here:
http://www.echo-usa.com/documentation.asp?Model=PB-251&lang=E
Please download a copy, IPL too.
Page 21 - Fuel Oil Ratio- 50:1 (2.6 oz/ 1 gal)
A rich mixture often causes hard starting.

Oct 29, 2009 | ECHO, Inc. PB-251C Handheld Blower

1 Answer

I have an echo gas powered leaf blower, model pb251. it will start and idol, but wont run any faster than that, and throttle cable seems to be ok.


I just fixed my Echo PB 2100 with the same issue. It would start, run, all throttle openings OK but would not rev-up. It was a dirty/clogged screen on the muffler. Scraped the thick tar off then used Lacquer Thinner to soak it clean. Blower works better than ever now....

Apr 02, 2009 | ECHO, Inc. PB-251C Handheld Blower

1 Answer

Runs fine &then suddenly stops


IN the tank there is a intake tube on the bottem of that tube is a tiny filter. you can reach in and pull it out the tank enough to work on it.
It is clogged pull it off let it dry for a day and then blow it clean fron the gas line side OUT.

or echo sells tune up kits for 10 bucks at home depot. -Jeff Anchorage Small Engine.

Dec 24, 2008 | ECHO, Inc. PB-251C Handheld Blower

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