reversing a ac drill press motor?

[ZipSnipe]

Ok this has been my week in electric motors, finally got the lathe motor figured out. But now I need to reverse the direction of a Jet 3/4, 4 pole dual voltage cap start ac motor that is currently wired for 110.
I had plan to use this motor on my bandsaw. I have tried reversing the wires at the plug and inside the box of the motor to no avail. So can this motor be reversed?

[bharbour]

Here is a pointer to a really good article on motors and wiring them:
http://www.metalwebnews.com/howto/el.../elec-mtr.html

Good Luck,
BobH

[Al_The_Man]

You need access to and identify either the start winding/capacitor pair, or the run winding pair, reversing either ends of these two circuits will reverse the motor.
Al.

[ZipSnipe]

Uum I take it I,ll have to open the motor up as the cap wires are connected inside, I have 4 wires in the box which are tied off into pairs and then connected to the neutral and the hot. I had switched those earlier but it didn't help. The cap I assume is connected on the inside of the motor I assume to one of these pairs. I'll regrettably take the motor back off and open her up.

[Al_The_Man]

If you lift off two pairs, one pair should have continuity, this will be the run pair, the other start pair will appear open as you have a cap. in series with the run winding.
Swapping the run pair with respect to the start pair should have reversed it?
Swapping both pairs at the same time will have no effect.
Al.

[ZipSnipe]

Here's what I did, I tested for cont. from the cap to each of the 4 wires , 2 wires had cont, originally these wires were one each(paired with the other non cont to cap wires) to the line in. I ended up switching those two cont. wires and wala!! I had reversed the motor, ran it a couple of time seemed ok, I put back on the bandsaw and then it wouldn't turn unless I helped it. Now the cap clutch assembly(I guess that's what its called) had a missing mounting screw and I tightned the one down real good. I am currently waiting for the motor to cool off and then I'll try it again, I'm hoping it was just that clutch assembly came loose.

[Al_The_Man]

If the start circuit is not connected, if you spin the motor as you power up, it will run OK from then on.
It sounds like you may have the start winding out of circuit?
Al.

[ZipSnipe]

well it spins fine by itself but it wants to heat up pretty quick. I'm thinking this clutch got moved out of position and I think it might be the problem. It would heat up if the clutch doesn't disengage right?

[ZipSnipe]

Ok here is what I deducted. If I leave the original wire set up it spins fast and the clutch mechanism disengages the cap. But if I wire reverse it doesn't spin fast enough to disengage the clutch. I tried different switching the leads but its the same. Do I need to maybe switch the leads on the cap itself?

[Al_The_Man]

I got confused when you mentioned clutch, I think your referring to the centrifugal switch.
Switching the leads on the cap itself won't do anything.
It sound like somehow you have the start windings in all the time maybe?
It might pay to take it down to a motor rewinder and they could probably tell you right off the bat which connections you need to swap.
Al.

[ZipSnipe]

I tried all the ways you could connect it, there are two ways that work for forward and two ways that almost work for reverse. all other combos don't work at all. Maybe this motor just ain't meant to be reversed? My other option is to just flip the motor around to the outside of my bandsaw(wooden base) and just build a shelf for it and run it forward.