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diy888 11-16-2012 02:40 PM

help wiring up an old Craftsman motor
 
1 Attachment(s)
The cloth insulated wires inside were all frayed and exposing bare metal at their bends, so I clipped them above the fray points and then spliced new wires to them using compression splices and heatshrink insulation. But the pictures I took to help me rewire everything back up aren't as clear as I thought they'd be. And some time has elapsed since I started the project, so memory does not serve.

The motor has a start capacitor.

I'd be grateful if someone could tell me how the connections go. Wires A, B, C, D, and E are emerging from the windings. I've drilled and tapped the base for the ground wire.

joed 11-16-2012 07:36 PM

No way to know from what you have provided. You will need to figure out what each wire goes to then wire it like one of the drawing here..
http://www.electrical-contractor.net...e=1#Post178599

micromind 11-16-2012 08:17 PM

A bit more info is needed;

1) Do you have a multimeter that has an Ohms (resistance) scale?

2) Is R and S the capacitor?

3) Is G and F the centrifugal start switch?

4) Are you absolutely positive there are 5 wires coming out of the stator (windings) and not 6?

5) What is X and Y?

It'll take a bit of trial and error, but I think we can make this work.

Rob

diy888 11-17-2012 06:24 AM

3 Attachment(s)
Quote:

Originally Posted by micromind (Post 1053893)
A bit more info is needed;

1) Do you have a multimeter that has an Ohms (resistance) scale?

2) Is R and S the capacitor?

3) Is G and F the centrifugal start switch?

4) Are you absolutely positive there are 5 wires coming out of the stator (windings) and not 6?

5) What is X and Y?

It'll take a bit of trial and error, but I think we can make this work.

Rob

Thanks for the help.

I will buy a multimeter. I watched several videos on how to use them last night, and could test wire pair combinations for continuity and resistance, if you told me which combinations you needed.

Confirmed, only 5 wires emerge from the stator, at the locations indicated.

X an Y is the wiring terminal bloc.

R and S is the overheat reset switch.

F and G is the centrifugal start switch.

Capacitor is not shown. As long as I end up knowing which wires to bring out to the capacitor, I do remember how to attach the spade connectors there:

1== 3==
o o
2== 4==

(1+3 or 1+4 or 2+3 or 2+4).

I am attaching the clearest pictures of the wiring when I first opened the motor up. It looks to me as though

MAINS neutral goes to centrifugal switch F.
MAINS hot goes to reset switch S.
E goes to capacitor (not shown).
D goes to ?
A goes to terminal block X.
B goes to terminal block Y.
C goes to ?

diy888 11-17-2012 02:04 PM

1 Attachment(s)
Woohoo! Found a pencil sketch I'd made of the wires. I'm not the fool I thought I was, just an electrical ignoramus with a bad memory.


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