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If you have 1 bobbin of .2mm that would give you a slight increase from 60.8 to 62 CM. I wouldn't change the turns.

When you break the connections, make sure 1 has continuity with 4, 2 has continuity with 5 and so on.. In other words, 1 would be the start of the group of coils, 4 would be the finish. No, follow the drawing.. This drawing is to bring out all 9 leads. The connections listed is for the...

Drawn on paint hope it will help..

2 wye connection. Could be 440 or 220. Normally, we'll mark the voltage on the nameplate when we rewind them to 3 leads. If you want 9 leads, take it to a motor shop. They can determine if you need 1-2 wye, or 2-4 wye.

I spotted a mistake in my first two drawings. It was late when I drew them out.. This should work for a 2 delta PWS with that coil configuration. zlatkodo, please double check.

A phase =black b phase =green c phase = red 6 groups of 2 6 groups of 1 2 delta PWS sorry for the bad paint shop job..

1/3, 2/3 only on a 6 pole.

Looks like a pole connection. Please post all winding data, IE: Total number of coils. Wires in hand, wire sizes, number of wires to each lead, number of turns, number of total wires in slot. Coil pitch (span). Iron dimensions: Length, tooth width, back iron(iron below slot), bore diameter...

This might help Regards

Each number represents a group start and finish. Glad I could help.

That's a 2 delta PWS. According to the name plate and schematic. Here is the connection diagram to rewind this motor.

Could be interpole polarity. Mark and shift brush holder ring out of neutral point. Take a 12 volt battery charger and flash A1 and A2. The armature should "kick" in the same direction that you shifted the brush ring. If it kicks in the opposite rotation, switch the brush holder leads.

We use the Lexseco core tester, with the green magnetic paper. Works well. Sometimes we have to heat the rotor up to 400F before it shows opens. Rotor testing can be tricky.

I've wound two coil interpersed. Never four. Can someone explain the jumpers? Is this to control circulating currents? Saving this connection for future reference.

We were lucky and got stators only. I wouldn't want any part of that rotor.

The 24 volt motor will work with 40VDC. The output will increase to about 660 watts. DC power is proportional to input voltage. Doubling the armature volts doubles the horsepower.

I still say a grounded coil. When you strip it look for copper melted in the slot.

We've been working on some permanent magnet motors that seems to be the future. A nightmare to work on though. Litz wire, high frequency, very little insulation for what we have to test them to. Lots of ground faults. Link

You can't rewind it to 3 phase. To get 6 pole, 3 phase, you would need 18 groups of coils space 120 degrees apart. Can't be done with that stator.