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Old 11-16-2012, 03:40 PM   #1
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help wiring up an old Craftsman motor


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.
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Old 11-16-2012, 08:36 PM   #2
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help wiring up an old Craftsman motor


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

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Old 11-16-2012, 09:17 PM   #3
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help wiring up an old Craftsman motor


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
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Old 11-17-2012, 07:24 AM   #4
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help wiring up an old Craftsman motor


Quote:
Originally Posted by micromind View Post
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 ?
Attached Thumbnails
help wiring up an old Craftsman motor-dscn2311.jpg   help wiring up an old Craftsman motor-dscn2303.jpg   help wiring up an old Craftsman motor-dscn2306.jpg  

Last edited by diy888; 11-17-2012 at 07:43 AM.
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Old 11-17-2012, 03:04 PM   #5
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help wiring up an old Craftsman motor


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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