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Just Brought Her Home - Restoration Underway - Powermatic Model 50

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Forum topic by RubberDuc posted 01-04-2017 11:29 PM 729 views 0 times favorited 11 replies Add to Favorites Watch
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RubberDuc

45 posts in 360 days


01-04-2017 11:29 PM

Thanks to all that helped me with my decision process. Wanted to post some eye candy after I got her home and unloaded. I just have it sitting on my bench for now as I will be starting on the base hopefully tomorrow. The DIY base it has is complete junk so it will be trashed once I remove the motor. The surface “rust” you see in the picture is actually not rust, it is an old grimy film that the PO was using to keep it from rusting. I actually didn’t believe him honestly until I just wiped a section with fresh WD40. Seems it is just a thick gooey layer of old WD40 revealing a nice condition iron underneath! I’ve already ordered a more modern switch as the one that is on it looks like an antique light switch or something, cool but I want a better one. Are already have several questions I’m formulating, and I’m sure I’ll have tons more, so I will use this thread for my restoration progress and questions, etc. From the serial number she appears to be 1955-1964, anyway to determine it further? Glad to be hanging around here, thanks again guys:


11 replies so far

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MrUnix

5980 posts in 2033 days


#1 posted 01-05-2017 12:07 AM

First two digits of the serial number is the year made.
See Here: Powermatic Serial Numbers

Cheers,
Brad

-- Brad in FL - In Dog I trust... everything else is questionable

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RubberDuc

45 posts in 360 days


#2 posted 01-05-2017 12:19 AM



First two digits of the serial number is the year made.
See Here: Powermatic Serial Numbers

Cheers,
Brad

- MrUnix


Awesome, thanks Brad, so I guess it is a 1945 then :)

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MrUnix

5980 posts in 2033 days


#3 posted 01-05-2017 12:27 AM

Ummm… first two digits are for 1978 and newer machines. They used different formats before then (see the link I gave above). I can’t read the numbers on that badge, but I doubt it’s a 1945 model – I don’t think they even started selling the PM50 until the mid 50’s.

Edit: for a serial number formatted as “N-xxxx”, the first digit (“N”) is the last digit of the year. Sort of looks like an 8 or 9 on yours, which would make it a 1958 or 1959 model.

Cheers,
Brad

-- Brad in FL - In Dog I trust... everything else is questionable

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RubberDuc

45 posts in 360 days


#4 posted 01-05-2017 12:51 AM

Oh, I see, sorry I misunderstood. My serial # is N-4590 that is why I thought 45. I visited the link and looks like it is somewhere between 55-64 then.

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Aj2

1172 posts in 1632 days


#5 posted 01-05-2017 01:08 AM

It looks to be in good shape.Well cared for a 50 + year old machine.
I’m a little bit jealous.

Aj

-- Aj

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RubberDuc

45 posts in 360 days


#6 posted 01-05-2017 01:10 AM



It looks to be in good shape.Well cared for a 50 + year old machine.
I m a little bit jealous.

Aj

- Aj2

Hi AJ, thanks, I’m really excited about it honestly. I’m a little nervous about how to tackle it, mainly breaking it all down. Do some of you restore them without tearing them completely down? Is there a guide to follow when breaking these down?

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Aj2

1172 posts in 1632 days


#7 posted 01-05-2017 02:48 AM

No guides that I know if.But that’s half the fun figuring it out. :)

Aj

-- Aj

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RubberDuc

45 posts in 360 days


#8 posted 01-06-2017 01:51 AM

I have some pics after disassembling the base and getting the motor out. It says Frigidaire Motor Company? 110/220 volt and the amperes is very hard to read. I think I see a 4 a 1 a 2 and a .05 so not sure what that means. The nameplate is in pretty bad shape but I tried to take a close of it for you guys. Also it looks to me that someone genius at some point installed what I only can imagine is a vacuum cleaner cord to this motor! It is about 20 feet long and really skinney with a tiny 2 prong plug. :O Also got started on the shop base today as well, pics of that will be coming soon. Also I want to install a new switch like the one below. I can get them on ebay, any issues with doing that or is it just as simple as hooking up an outlet?

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MrUnix

5980 posts in 2033 days


#9 posted 01-06-2017 03:43 AM

As mentioned at OWWM, I think that is just a three wire momentary switch designed to be used with a starter. The 6115 appears to cross reference to a General Electric CR2943NA102A, which is a three wire control station. If correct, you can’t use it directly without a starter.

As for the motor… way bad picture, but it looks like 4.1A@110V, or 2.05A@220V. Maybe a 1/4hp induction repulsion motor, 1760 (std 1800, nominal 1725) rpm. I’m sure you can clean up the data plate a bit and read it. Sometimes it helps if you take a high resolution picture of it and manipulate the image a bit in a photo editing package (Gimp works well and is free).

Cheers,
Brad

-- Brad in FL - In Dog I trust... everything else is questionable

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MrUnix

5980 posts in 2033 days


#10 posted 01-06-2017 07:14 AM

LOL – I did a quick google for the motor (Frigidaire 4294) and came across this one for that motor – being used as a fan!!! The guy calls it Frankenfan or “Fan of Terror” :)

Browning Farmer's Fan - AKA Fan of Terror – YouTube

Apparently out of an old refrigeration unit, and specs it as:

Motor – Delco Frigidaire Model 4294, 1/4 HP, 1750 RPM

Cheers,
Brad

PS: I love how it shakes the lights hanging from the ceiling when turned on!

-- Brad in FL - In Dog I trust... everything else is questionable

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eflanders

218 posts in 1684 days


#11 posted 01-08-2017 01:41 AM

I have had that same jointer for about 20 years now. I bought mine used from a cabinet shop. The motor in mine was a 1/2 hp Delta. I replaced it with a 1 hp unit about a year ago. My power switch is the original one yet and yes it does resemble a wall light switch. It still works great. It would be very interesting to know how much wood has gone through this machine after all these years! I plan to hand mine down to the next generation as it still is in daily use.

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