Anything about sewing machines and the tools we use.
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By Piggy
#22329
Hello All,

New to this forum, hoping for some advice. :)

We recently purchased the -241H and it came with a clutch motor (750W 3/4hp I believe) that was a touch obnoxious (noise) and did not offer my bride the slow speed control she wanted to have. I ordered a Consew CSM3000 servo motor to install and we felt like this was going to be a good upgrade for us.

Installation however quickly went south as things like this can sometimes do. The clutch motor is so darn heavy it is no small chore to get it off but managed that eventually. The new consew machine got rough assembled against the diagram provided (not much for instructions) and the hardware that came with it included carriage bolts and it seems like there was an expectation that the new motor could be mounted by passing these through holes in the table.

Our table tas threaded inserts/T-nuts embedded from the bottom and the clutch motor was attached using a standard hex head bolt. I am hesitant to modify this design and so I tried to use the original hardware to mount the new motor. Very tight fit with almost no breathing room to reach the mounting holes and then one of the bolts on the speed control end (opposite the pulley) cannot fit due to a protrusion in that corner of the motor.

I tried to leave that one bolt out and was going to give her a try....but also found that the new pulley is ~ 1inch smaller than the clutch pulley so my belt was too long. OKokok... I give up. Took the servo motor back off....re-installed the clutch motor (ugggh!) and am now seeking advise on how best to proceed with minimal down-time to our production.
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By Adam12
#22330
Can make your own mounting studs with some all-thread cut to length and screwed into the table. Belt length always changes, if your old one is close you can probably guess but if you take the servo to the center of it's adjustment once its installed and use a flexible tape measure around the pulleys to see the length belt you need. Available at most any auto parts stores, you want a 3L V-belt in whatever length you come up with.
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