Question about Echo Backpack Blower PB-500T
Will not throttle up
Posted by Anonymous on
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Posted on Jan 02, 2017
If you have one of the rotary-type, non- adjustable carbs, you may have to install a diaghram kit or rebuild kit as the fuel pump diaghram may need replacing.....otherwise....you may only need to "tweak" the H-speed adjustment screw on this carb. If so, here is how Zama says to do it:
The tool used to adjust these carbs can be found on Ebay and is less than $10 if you don't rig one by your own methods.
Here is an application list from Zama so you may know what diaghram and/or rebuild kit to install.
Here is a cross reference to the carb's kits:
RB is complete rebuild kit and GND is gasket and diaghram kit.
Posted on Sep 14, 2010
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
Posted on Dec 11, 2010
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.
Posted on Nov 15, 2011
Tips for a great answer:
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Oct 02, 2011 | ECHO, Inc. PB-251C Handheld Blower
My $350 Echo PB-500T seized up. I almost cried.
The solution was to drain the fuel tank.
Refill fuel tank with an 2-cycle Oli/gas mixture.
40:1 =3.2 oz to one-gallon gas, do not use Alcohol base gas.
Remove the spark plug.
Pour approximate 1/8 oz 2-cycle Oli into the spark plug hole.
Remove the pull cord assembly (4-bolts)
This reviled the crank shaft-Pull cord bracket
I use a large monkey wrench to turn the shaft (CW) Clock-wise.
Complete approximate 20 revolutions.
Reassemble, but don't install the spark plug yet.
Complete approximate 20 more revolutions
by pulling the pull cord.
Use q-tips to swab the top of the piston, as much as possible.
Install the spark-plug and crank, it will smoke for amount 7-10 minutes
Jul 30, 2011 | Echo Gas Blower 162 MPH 450 CFM Blower...
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