Hi. I have a HomeLite TrimLine UT-20002A(Trimmer). This trimmer doesn't run in the run position. Just only run in the full choke position but without power, i think is the carburator. I just want you to help me with this, because i want to repair this trimmer. Thanks.
Check the muffler for obstructions. Remove the muffler and check the exhaust port sometimes they are near plugged. If so remove all the crud with the cylinder in up position to prevent getting carbon in cylinder. Trimm to adjust Turn both L and H set screws clockwise until they bottom the back each one out 1 and 1/4 turn. This should allow you to start the trimmer. Then rev to max rpm and adj. the H screw to max rpm. Then set the idle with the L screw with good idle without string head turning. Then when throttled it should do so without hesitation. Once this is set you may have to fine trim the H screw for max rpm again.
Just go buy a new one, I did this morning, they are not that expensive, and you don't have a headache worrying about it
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I have exactly the same problem. I dismantled carburator and flushed with carburator cleaner, changed gas filter and lines, changed air filter and fresh mixed gas and had no progress.
Maybe it needs carb. recalibration but I don´t know how to do it.
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