What could cause it to run but not cut?
I just replaced the gear case and b(l)ades. it starts and runs. the bottom blade is moving like it should but they are not cutting. The blades are sharp
Garden - Tanaka - THT2000 - 22" 21cc 2-Cycle Dual Sided Hedge Trimmer
Answers & Comments
Http://www.ereplacementparts.com/tanaka-tht2000-hedge-trimmer-parts-c-34785_34879_34887.html
Make sure both blades are engaged on the drive gear (Fig9) page F of the manual I have added.