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AAMCO 7" shaper - motor wiring

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ThinWoodsman

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#1
Picked up an aamco shaper this weekend. It's still set aside for cleaning, but the motor doesn't have a cable.

Any aamco shaper owners out there want to save me some time and tell me which terminal is positive and which is negative?

I haven't looked at the motor that closely. Might even swap it out, it's been in storage and may not even fire up.
 

wa5cab

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#2
Thin,

Most machines of this general type and vintage will have a capacitor start single phase AC motor, not a DC one.
 

talvare

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#3
Without seeing what specific motor you have, it's hard to say for sure how to wire it. Many of those old machines no longer have the original motors. wa5cab is correct, most will have single phase, capacitor start motors. There are many on-line resources to help you with the wiring. Also, it's kind of important to get the motor rotation correct as these machines are designed to have a faster back stroke than the forward stroke.

Ted
 

Ulma Doctor

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#4
if you have a picture of your motor, i can help wire it up :grin:
 

ThinWoodsman

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#5
heh, I kinda suspected the answer would be "it depends...".

Grabbed a power cable and switch at the h/w store this morning. I'll post a pic or at least motor label info once I get to wiring the thing up. For posterity, if nothing else.
 

Scra99tch

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#6
I was looking at that one also on craiglist. How much you buy it for if you don't mind me asking?
 

ThinWoodsman

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#7
OK, looks pretty straightforward. Positive terminal isn't marked, so have to just do trial-and-error. Manual says motor should be spinning CCW when viewed from the left side of the shaper - presumably the side with the bull gear cover plate that's on your left when facing, not the "shaper's left" which has the pulleys (seeing the reason for "port" and "starboard", yet?).
And that's assuming the motor runs at all. Still have half the casing bolts soaking in kroil, but peering through the vents the coil looks a bit iffy.

How much you buy it for if you don't mind me asking?
Don't see how disclosing the price would profit me in any way. I know that the seller was a bit put off by lowball offers from CL buyers - I had given him a range of 500-800 based on the photo and his verbal description, and after a week or so he called and said if I was serious to come on by. Even then, he was having second, third, and fourth thoughts on selling it at all. Decent guy; we talked for a bit and poked around the boxes of tooling he's had for years without knowing what some of it was even for.
 

Scra99tch

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#8
In my mind I thought about 500$ range, as it was not powered. A range of prices works for me as I don't need to know exact amounts. It looks like it would of been a fun little project though. Good luck with it.
 

ThinWoodsman

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#9
Forgot the motor plate info, for posterity:

Sunlight Motors
Model S-6849
1/3 HP
115 V
60 cycles
5.4 amps
1750 RPM
Type: SKO
Packard Electric Division
General Motors Corporation
Watten, Ohio
H3?44
5212557
 

markba633csi

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#10
Can you post a picture of the motor terminals or junction box wires, a close shot? Then we can go from there
mark
 

talvare

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#11
Manual says motor should be spinning CCW when viewed from the left side of the shaper - presumably the side with the bull gear cover plate that's on your left when facing said:
Bull gear should be rotating CW.

Ted
 

Superburban

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#12
The easy way to think about rotation, is the (bull gear )big gear should rotate the top towards the work piece. Quite often, there is a small gear that turns the big gear, and the motor is hooked to that. It will rotate the opposite direction from the big gear.

 

ThinWoodsman

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#13
Wired the motor up in its housing, but not belted. Turns in the correct direction according to the manual: when viewed from the left-hand side of the machine ("left-hand" when viewing the machine head-on, i.e. from the table), the motor is turning CCW. When viewed from the right-hand side, the motor is turning CW. So the wiring should be correct according to the manual. when looking at the motor housing, with the terminals in the 6 o'clock position, the hot lead is on the right and the neutral lead is on the left. Probably it makes no difference, being a closed system; I deal with electronics more than motors so I'm used to the polarity generally being significant.

Motor was a bit sparky when I fired it up, so I have it disassembled for inspection/cleaning. Looks like some shrink tubing should fix the sparks.
 
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