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Powermatic 50 Jointer - Porkchop Spring

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Forum topic by TheOtherMrRogers posted 03-10-2014 03:04 PM 1283 views 0 times favorited 7 replies Add to Favorites Watch
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TheOtherMrRogers

41 posts in 1647 days


03-10-2014 03:04 PM

Topic tags/keywords: powermatic jointer pm-50 safety guard porkchop spring

Hey All – I got ahold of a 1962 Powermatic 50 Jointer, and its FANTASTIC, but there is one little problem,

There is now “porkchop” spring, and I’m not sure how to get or make one…

Anyone out there with a PM 50 that would be willing to shoot me a photo of the spring on your Jointer so I can figure out how to make one?

Thanks.

(BTW – I was able to score this baby for $153… sure it was three phase… not a problem).

-- For what does it profit a man to gain the whole world and forfeit his soul?


7 replies so far

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levan

472 posts in 2445 days


#1 posted 03-10-2014 03:38 PM

Hope this helps you. Mine is a 1964 Model 60. I would think it would be very similar. Spring is 3/4” x 5”
Great buy
best wishes Lynn

-- "If you think you can do a thing or think you can't do a thing, you're right". Henry Ford

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TheOtherMrRogers

41 posts in 1647 days


#2 posted 03-10-2014 05:03 PM

Lynn,

Thanks a ton. This is exactly what I was looking for.

We have slightly different guards, yours looks a little “deeper”. Mine is just under 3/4 inch deep in the the spring area.

How deep is the pocket in your guard?

Now I just have to find the parts to make this work.

-- For what does it profit a man to gain the whole world and forfeit his soul?

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levan

472 posts in 2445 days


#3 posted 03-10-2014 05:33 PM

Mine is 1 1/2” deep. So you will have to use a smaller diameter spring, but it should work the same. Looks like just a couple of cotter pins and the spring and you will be good to go. Enjoy your new jointer, it should last forever. made in the USA
Glad to help Lynn

-- "If you think you can do a thing or think you can't do a thing, you're right". Henry Ford

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MrUnix

4233 posts in 1664 days


#4 posted 03-10-2014 06:06 PM

According to the powermatic parts site, the spring is 3/8” O.D. X 2 3/4”.. at $15 ($17 at ereplacementparts.com), you could probably find one for much cheaper at Ace Hardware :)

Cheers,
Brad

-- Brad in FL - To be old and wise, you must first be young and stupid

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athomas5009

293 posts in 1083 days


#5 posted 03-10-2014 07:23 PM

I have a similar 70’s era powermatic I recently restored. I’m just about finished just waiting a cpl weeks for the last coat of poly to harden before I try to sand level and buff. I’ve put quite a bit or research in the restoration and part replacement process before choosing what methods suited me best.

Mine was in good mechanical shape like yours and I only needed to replace mag starter, the same spring you mentioned, long extension adjustment bolt I probably bent like an idiot in transport and lastly the 3 phase motor solution.

I went with a paddle switch off amazon. I think it was less than $20.

Got lucky with the bolt and had my father in law (machinist) make me another $0.

The motor I solved by going with a new HF 3hp motor for $120 with a coupon. It’s compressor rated and not a TEFC but they get good reviews and a decent amount of woodworks on the various forums have had good luck with them on machinery and from what Ive read are a solid choice unless you plan on using them for professional / production use.

For the spring I plan on going to HD and getting a handful of similar ones, trying them out and retiring the ones I don’t use. They are really cheap 3-5 bucks a piece and in a youtube video of a similar restoration the man mention that the OEM spring is a bit forceful and marred lumber once in a while.

Take from this what you may. If you decided on painting and the whole 9 yards feel free to drop me an email and I’ll share my experience. Either way good luck, enjoy your GLOAT and you got a more than fair price. I forget if I got mine for 150 or 125.

Also you can sell the mag starter on CL with little effort for around 25. The motor will be tougher and you can expect to get 15 by scrapping or 25 if you find the right person on CL or Ebay.

Andrew

-- Sometimes you're flush and sometimes you're bust, and when you're up, it's never as good as it seems, and when you're down, you never think you'll be up again, but life goes on.

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TheOtherMrRogers

41 posts in 1647 days


#6 posted 03-10-2014 08:05 PM

Thanks guys, it’s been a real help.

I think I’ll add a cotter pin and a 3/8 spring with a small eyebolt to anchor the spring.

I might even be able to get away with a rubber band (Heavy duty, or course…).

BTW – The jointer was 3 phase, but I replaced the motor with a single phase GE motor from Craigslsit.

I’m still holding onto the mag starter, because I use 3 phase on my table saw…

Thanks a ton.

Ray

-- For what does it profit a man to gain the whole world and forfeit his soul?

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MisterBill

411 posts in 1717 days


#7 posted 03-21-2014 04:00 PM

According to the powermatic parts site, the spring is 3/8” O.D. X 2 3/4”.. at $15 ($17 at ereplacementparts.com), you could probably find one for much cheaper at Ace Hardware :)

FYI: I just bought this spring at Ace Hardware for $1.39 plus tax.

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