Wen 6110 Tree Branch Trimmer
I don't have a blade problem, I have a motor problem. I used to have just ONE of these 6110, then I sold it... big regrets. So now I have TWO that I have picked up. One of them performs well as expected, BUT THE OTHER unit seems to spin up (rpm) just fine (and I have a RPM tach that is a contact time, but the distance from the trigger to the motor so far has left me NOT getting that accomplished) So it spins, BUT when you go to set it on a branch etc. it boogs right down... my dad used to say "poo poo"... just has no guts. SO I OPENED them both up. ONE unit has a 120volt, 60hz rating, BUT THE OTHER (WHICH HAS ALL OF THE "UL" RATINGS ETC ON THE HANDLE) has a 230VOLT / 50 hz MOTOR... Where did this come from? It has the typical two wires coming down from the switch (black and white), the motors look identical BUT for the markings. The 230 v one had a couple of capacitors soldered in line to the brush wires and the "caps" went to ground on the motor housing. I removed these and tried it, seems to spin fine. BUT when I cross check resistance through armature, field packs etc, they all have different readings. I was going to get my wire length meter (TDR) off the shelf and see if I can find the winding distance differences (I know it reads distance pretty accurate, NOT sure on windings applications though. Sure hate to try and rewind this motor. I have looked Google, Grainger, Small Motor.com, etc have had no luck on this. MAYBE I JUST HAVE A "PARTS MACHINE" ON MY HANDS... I did call the guy I bought it from and he "wiggled" every which way that one can. Although, he gave me everything including the O.E. packaging... just a strange one. I'll try to get "RPM" differences, should be about 3600 and also winding "wire length". So just looking for help, thoughts OR MAYBE SOMEONE ELSE has one they are going to scrap out and I would buy the motor / motor end.
Well I played some more tonight with these two motors. On the "TDR" side (wire length), I seemed on to get approx. 2-3' in length on both motors across each field pack and also "pole for pole" across armature. So I took those readings with a grain of salt. Might go look at "other" types of TDR meters tomorrow. Put my digital "contact tach" on end of shafts and decided just to unsoldier both motors and do "side by side" tests. Well the 120v motor spins up nicely to 19K RPM'S!!! That was a surprise since looking at UL plate, but the 3600 must be "cutting" forces back and forth on the blade. NOW the 230v motor only spins up (with the 110v hooked up direct) just over 10K RPM, so half of what the 110v is doing which makes sense since it is wired for half the voltage. SO I'm still scratching my head as to why or how this one got a 230v motor and yet is rated on handle at 120v. I did mention this guy I bought it from and also he supplied with this a bag with a new "arbor" the slide that locks the blade in and actuates with the motor. He couldn't tell me "why" he had this new part, since nothing was wrong with the one that was installed in it. ALSO, he didn't remember "why" the one "sealed" screw under the decal had been removed... OR WHY he had smashed wires from incompetence up installation. Heck, maybe there is a 120v floating around France or Germany...??? In this photo note on bottom the "smashed" wire from incompetence, the "230v" marking (the other one I have is clearly marked 120v), The bright blue color near the brushes is the "CAPS" I referred to.
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