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Generators & Electric Motors General Discussion Antique Generators and Old Electric Motors: Questions and answers about restoring and showing old power generation systems.

Generators & Electric Motors General Discussion

Old GE Motor, looking for wiring diagram or advice


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  #1  
Old 02-01-2010, 02:26:22 PM
paulmars paulmars is offline
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Default Old GE Motor, looking for wiring diagram or advice

GE says Regal-Beloit now owns this motor line. However, when I called RB, they could not find it in their system. A second call to GE confirmed RB ownership, and a 2nd call to RB, again, they could not find it and had no advice.

Some help I got here: http://www.eng-tips.com/viewthread.c...=263474&page=1
Basically, some think its an old Repulsion Induction mtr. Someone else said its most likely from a "Norge" Dryer. Also it might have had a remote start/run capacitor. I want to exhaust all possibilities before i scrap it.

On the mtr:
THERMALLY PROTECTED
1/2hp, 115v, 60(sinewave symbol) 1*7 4A
1725RPM 70°C CONT ** CB135D
CODE G APR2 MADE IN U.S.A.

* between the one and seven on the seocnd line from top, is a round circle with a vertical line bi-secting it. The line possibly passes thru the circle slightly at both ends. It does not look like the zero in the 60 (second line), or the O in PROTECTED, its completely round, not oval/elongated.

** Single character that I cant identify. Almost looks lile a small letter P with a short tail.

Elsewhere on mtr:
GENERAl ELECTRIC
5kc40ht 12s
SA* LR22286

*SA inside a C

I can send more pictures.
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  #2  
Old 02-01-2010, 03:21:04 PM
K D Redd K D Redd is offline
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Default Re: Old GE Motor, looking for wiring diagram or advice

Looks to me like a washing maching or dryer motor. The "O" with the vertical line through it is the symbel for Phase. The black switch make me think it is from a washing machine. Have you tried suppling power to it through a 100 watt light bulb on the red and black wires. I would try 120 Volts first. if it spun up then I would remove the bulb and check it's current draw with an amp probe.
You might also try to post a picture of the data plate.

Kent
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Old 02-01-2010, 03:22:51 PM
Chainsawman1 Chainsawman1 is offline
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Default

That is a washing machine motor.

Wait .... Is is a dryer motor
little pulley on the other end is to drive the drum.
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Old 02-01-2010, 09:17:14 PM
Kimbra Dean Kimbra Dean is offline
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Default Re: Old GE Motor, looking for wiring diagram or advice

It's an electric dryer motor. The black switch on the back does two things:
1. It cuts out the start winding
2. It closes a contact to supply power to the heating element.
I'm pretty sure it does not use a capacitor.
You just need to supply 120 volts to two of the terminals but I don't know which two.
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Old 02-01-2010, 11:45:56 PM
armandh armandh is offline
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Default Re: Old GE Motor, looking for wiring diagram or advice

and if, in one spot, they just buzz and not spin up they have a bad winding
most ones not in the drier or in new condition are bad pull outs.
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Old 02-02-2010, 01:17:26 AM
paulmars paulmars is offline
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Default Re: Old GE Motor, looking for wiring diagram or advice

K D Redd: Have you tried supplying power to it through a 100 watt light bulb on the red and black wires. No I have not. Why? What does that do, prevent shorting my line? The orange and black? There is no red. Its light orange. The 3rd wire is blue.

K D Redd: You might also try to post a picture of the data plate.
There is no data plate. Everything I listed is stamped into the metal housing. The only other info is "Norge" on that switch and on the back of the switch is "GE".

Kimbra Dean: The black switch on the back does two things:
1. It cuts out the start winding
Yes, a metal lever comes out of the mtr and depresses a momentary switch on that black thing. If I push down on it, levers and springs inside the mtr move and the switch moves to its other position. So, centrifugal force presumably opens that switch when it spins up. So, I just need to determine which terminals on that black thing get power and where the blue wire goes.

Maybe orange and blue are for the run and start windings. Can I determine using an ohm meter which is which?

armandh: most ones not in the drier or in new condition are bad pull outs
Can I determine that using ohm meter?

thanks all
>p
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Old 02-02-2010, 05:38:35 AM
armandh armandh is offline
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Default Re: Old GE Motor, looking for wiring diagram or advice

"Can I determine that using ohm meter?"

probably not with out a known good one to comapre readings.

the lamp in series is a safety against excessive load [short]

I just replaced a similar one in a LG gas drier
when stoped a a certian spot in its rotation it would just buzz and not spin the drier up to speed.
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Old 02-02-2010, 07:09:57 AM
Arkie Arkie is offline
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Default Re: Old GE Motor, looking for wiring diagram or advice

Old dryer motor! The switch is a starting switch and also applies power to the dryer element when the motor starts! (kinda un-usual that it is double ended!
I think it has a start winding and a run winding and most do not use a starting capicator! if the motor has more than two winding wires it has a start winding and the start winding will have the lower resistance as compared to the run side!

If you will look around on-line at some wiring diagrams for electric dryers you might get some hints! These things were wired every which way!

You can take a ohmmeter and find the two wires that are the start windings (on the switch) and you can manually operate the plunger on the switch to find the switch terminals! Sometimes these get scraped because dryer lint gets in the end of the motor and gums the switch and they won't start! Just need the lint blowed out with low pressure air! Look at the winding close and if you see black windings or smell burned insulations it's a boat anchor! Do keep it grounded with a 3 conductor cord when you are testing, to protect yourself due to leakage to the metal frame!
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Old 02-02-2010, 08:00:09 PM
paulmars paulmars is offline
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Default Old GE Motor, looking for wiring diagram or advice

Blue-Orange 2.7 Ohms
Orange-Black 11.5
Black-Blue 12.8

No black windings, but plenty of lint inside.

The switch is broken. It looks like someone else tried to open the switch but gave up. The Orange and Black went to terminals 1 and 6. neither of these is common with any of the other terminals with the switch in either position. That is why I believe its broken, and the marks showing that someone else tried to open it. However, maybe the Blue also hooked to this switch, but was cut off?

Based on the Resistance, I think its Blue-Orange to start and Black-Orange to run.
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Old 02-02-2010, 09:57:38 PM
Andrew Mackey Andrew Mackey is offline
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Exclamation Re: Old GE Motor, looking for wiring diagram or advice

The small serrated pully drives the drum. The other end of the motor drives the blower fan. These motors tend to run hot, and often burn out windings, resulting in a no start condition. The cost of repair is more than a replacement motor.
Andrew
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