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Restoring old Craftsman jointer

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Forum topic by bigbird posted 1924 days ago 3866 views 0 times favorited 4 replies Add to Favorites Watch
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bigbird

13 posts in 1931 days


1924 days ago

Hello Folks,
First of all, thanks to everyone for the advice provided on my old, circa 1954, Craftsman table saw. It is up and running and seems to be fine at this moment.

Next on my list to get going is a Craftsman jointer model #103.21820. It came from my father in law missing a motor. I found a Craftsman 1/2 hp motor that I think was on the jointer at one time. The plate on the motor states the RPM is 1,840 (EDIT 1750 RPM). Does anyone know if this could be the correct motor for this jointer? I don’t know where the motor mount is but it shouldn’t be too difficult to make a hinged self tightening mount.

The 3 blades are pitted and I think should be replaced. They measure about 4 3/8”. Would Sears still sell jointer blades for this model or is there someone else that would have replacement parts? The entire jointer has a light coat of rust and gunk everywhere. I figured I would take it apart as far as practical to clean every thing. I was going to use mineral spirits, is there something better I should use?

Thanks again

EDIT: Bearings in the cutter head or motor or both? The manual was posted in the archives which will help a lot.


4 replies so far

View Toddmc's profile

Toddmc

30 posts in 1993 days


#1 posted 1924 days ago

I have restored a couple of tools (a total of 2 so my experience is limited) I have received from family members, and I use 400 grit sandpaper to take off the rust then buff with wax to prevent any rust buildup in the future. The tool I am referring to also a 1954 craftsmen jointer. Mine is a 6 1/8 blade though. It has been my experience that pretty much all size jointer blades are still available. Just call sears to ask or search online. I was able to find replacement parts for mine (I needed new set screws since the old ones were striped) and had absolutely no problem. I am not a machine guru but that motor should be fine for a jointer.

View marcb's profile

marcb

762 posts in 2297 days


#2 posted 1924 days ago

Just figure out the pulley ratio to get the cutter head speed to about 4500 rpm.

Replace the bearings unless your FIL did it in the recent (15 years) past.

View a1Jim's profile

a1Jim

112008 posts in 2201 days


#3 posted 1924 days ago

Good luck on your rebuild

-- http://artisticwoodstudio.com Custom furniture

View BlankMan's profile

BlankMan

1487 posts in 1977 days


#4 posted 1924 days ago

As for the rust, check out this thread:

Evapo Rust

There’s a number of Before and After pictures there so don’t give up on those knives just yet. That Before and After of that drill chuck amazes me, most people would have probably thrown it out.

I’m currently restoring a pre-1941 Delta drill press and a Rockwell/Delta variable speed drill press that dates to 1972 and all the rust is gone without attacking the paint or the good metal. The 1941 one’s column was solid rust from top to bottom, not no more. I was surprised at one point when the rust was gone in that I could even get by without repainting a lot of the parts.

-- -Curt, Milwaukee, WI

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