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Need Help with My Jointer

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Forum topic by Chris_Tx posted 04-24-2019 04:15 AM 235 views 0 times favorited 5 replies Add to Favorites Watch
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Chris_Tx

23 posts in 93 days


04-24-2019 04:15 AM

Topic tags/keywords: question refurbishing jointer

Hello all,
Well I am still restoring my grandfathers machines, and now it is the jointer that has got me stumped.
The disassembly went smooth, until I tried to remove the cutter head assembly. This is what it looks like:

I need to remove that centre round piece, the one that has the four square notches.
Can someone tell me how this goes on? I think I can see threads, but there also appears to be a key of some sort.
If anyone has any idea how to get this off I would really appreciate it.
I have no idea what the jointer is, I can find no identifying marks, the motor is a GE, with babbitt bearings, but the jointer itself has SKF ball bearings.


5 replies so far

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SMP

860 posts in 267 days


#1 posted 04-24-2019 04:24 AM

Harbor Freight sells an adjustable spanner wrench that may work. Looks like someone previously tried the screwdriver/chisel method(both ways-i’m guessing its reverse threads and they tried regular first.)

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MrUnix

7359 posts in 2561 days


#2 posted 04-24-2019 04:36 AM

First thing you should do when restoring any machine is identify what it is and try to find a parts diagram and manual. If you can’t find any identifying marks, then take some basic measurements (ie: knife width) and head on over to the vintage machinery site to peruse the photo archive. Unless it is a very rare machine, you should be able to narrow it down.

Having said that – just based on your pictures, it does appear that there is a screwed on keeper nut on the end of the cutter head shaft. It also looks like you may have a lock washer under it, which has little tabs that will bend up to engage one or more of the notches in the keeper. You would need to bend those tabs down, and then unscrew the keeper nut. After that, you can just tap the shaft out. Just a hunch though… your best bet would be to try to identify the machine and get a parts diagram to make sure.

Cheers,
Brad

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

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runswithscissors

3031 posts in 2387 days


#3 posted 04-24-2019 05:19 AM

There is a keyway, but I don’t think it has anything to do with the nut. Brad has the right idea about the tabs engaging with the slots in the nut (which are also for a spanner wrench to take off/put on). Better not to pound on it with a screwdriver. My guess is that the lock washer also has a tab that engages with the keyway.

-- I admit to being an adrenaline junky; fortunately, I'm very easily frightened

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Chris_Tx

23 posts in 93 days


#4 posted 04-24-2019 05:30 AM

Hi SMP,
Yes someone did try the screw driver method, I might even be able to guess who:( I will try to get an adjustable spanner wrench, and give that a try.
Thanks Brad, for the advice, I am headed over now to vintage-machinery to see what I can find. I think you may be right about the lock washer on the back, I hadn’t thought of that, thank you.
Good thinking “runswithscissors”, the key way may very well be for the lock washer, that would make sense :)

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Chris_Tx

23 posts in 93 days


#5 posted 04-27-2019 05:05 AM

Hi everyone,
I realize that there may not be anyone watching this thread anymore, but just in case there is, I wanted let you know that I did get the cutter-head assembly off. You were right that the key-way is for the lock-washer, and there was a tab bent down over the retaining nut. Once I bent the tab back up, and made a crude spanner wrench from a piece of scrap metal, it all came apart beautifully!
I did try to find some information on the jointer first, but had no success, I believe it came off of a combination machine, table-saw, jointer, band-saw, etc. My grandfather only kept the jointer, and built a stand for it.
Thank you all for the help, I would have broken something for sure if I had been left to myself :)

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