buxfan1911
ArboristSite Lurker
I've been researching the best way to dial in the carb on my newly purchased Echo CS400 chainsaw and there is a lot of good info here on the forum. I keep getting stuck when adjusting the L screw because of the T screw. I seem to have to simultaneously adjust both screws to the the Low end to even out and Idle smoothly. I've been using a tach to help get my idle @ 2700 RPM and I am very close. But my problem now is a saw that surges at idle ranging from 2500rpm to 3100rpm. The ECHO manual is pretty weak when it comes to proper tuning information
The Question: What's the proper procedure to adjust the T (Idle) screw and L (Low) screw when setting the idle? Everything I read ignores the T until after the L is adjusted, but doesn't say where we should start with the T screw?
Thanks for any help.
The Question: What's the proper procedure to adjust the T (Idle) screw and L (Low) screw when setting the idle? Everything I read ignores the T until after the L is adjusted, but doesn't say where we should start with the T screw?
Thanks for any help.