Question about Echo Garden
My echo cs-305 just stoped running and will not start again . I have full gas tank-- 50/1 good spark --- carberator is clean and not flodding eng.-- crank seals apear to be good--- I have about 3.5 Hr. of sawing on this saw any ideas
You need to make sure it is mechanicaly ok ( not scuffed the piston ) remove the muffler and check the condition of the piston skirt through the open exhaust port, any sign of damage and the machine will need to come apart.
Posted on May 09, 2013
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Posted on Jan 02, 2017
SOURCE: Echo CS-440 Chainsaw.
unleaded fuel is notorious for going stale,and it can leave a resinous coating in the carb-try running the saw on half choke with new gas and less oil eg 50 to 1 for say ten minutes,this should clear the gunk out-if this does not work,you have two choices-strip and clean the carb,or adjust the H (high) scew on the carb anti-clockwise by a quarter turn a time till it revs out full bore-good idea to remove the chain and wear ear defenders when adjusting-and always use a chainsaw at its max rpm,or you run the risk of "kickback"
Posted on Feb 25, 2010
Testimonial: "Very good information. Not sure if the easy cure will work but at least I know where to start. Thanks "
This is classic fuel starvation, it needs to run a little rich when free running, when it goes under load it needs the extra fuel to keep it going, if you have replaced the fuel filter, and the fuel hoses are good ( no leaks, or cracks in the pipe, give the pipe a tug to see if fuel squirts out ) then there is dirt in the main fuel screen under the pump diaphram, remove the carb, remove the alloy pump cover, normally held with a single screw, under here will be a gasket, and a pump diaphram, in that order, pressed into the carb is a very fine screen, this should be replaced, or at least cleaned, check the condition of the diaphram, this should be supple not hardened, rebuild and try again, the H screw on the side of the carb controls fuel to the main jet, if need be increase ( screw out ) 1/4 turn.Somewhere from the tank will be a breather, this allows air into the tank to stop a vacume occuring, to check this slacken the filer cap when the machine starts to die, if it picks up again it is a breather issue.
Posted on Jul 18, 2011
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Sep 02, 2014 | Electrical Supplies
Aug 03, 2012 | Garden
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
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