Old craftsman 4 inch jointer - Woodworking Talk - Woodworkers Forum
 
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post #1 of 6 Old 05-17-2019, 11:38 PM Thread Starter
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Old craftsman 4 inch jointer

Hello everyone, i just recently picked up an old craftsman jointer from a friend for 15 bucks and am in the process of learning about it and getting it back up in tip top shape. I've done a fair amount of searching online for a manual and am striking out. The model number is 103.21821 any help would be much appreciated. I have been able to find a manual for the 6 inch model which is pretty similar and has answered most of my questions, but cant seem to find this exact one.
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post #2 of 6 Old 05-18-2019, 01:43 AM
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The manual won't do much good .....

Parts for that model are long extinct, so basic operation is the same as a 6" model. Bearings are stamped with a code on the shields so you can replace them easily. Nuts and bolts will be SAE stuff. Other cast iron parts will only be found on a similar model sold for parts only or like yours was ..... The 4" width will be a limitation for flattening faces, but still OK for straightening edges, the basic operations a jointer can do. Looks like it's in nice shape.
The stand looks like it's very narrow and "tippy".
Best to add a wider brace at the bottom with casters so you can lift one end and still wheel it about.

The answer to your question will only be as detailed and specific as the question is detailed and specific. Good questions also include a sketch or a photo that illustrates your issue. (:< D)

Last edited by woodnthings; 05-18-2019 at 01:47 AM.
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post #3 of 6 Old 05-18-2019, 05:05 AM
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Hi


Here is a link to a 103.23340 which is the same machine but without the second fence support bracket.


http://vintagemachinery.org/pubs/detail.aspx?id=596
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post #4 of 6 Old 05-18-2019, 02:54 PM
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Here is the manual:

vintagemachinery.org/pubs/222/2176.pdf

I gave the same machine. Yours is in great shape.
I have a warning for you. Go to the parts page and look at part 72. When you tighten bolt 63 with handle 64 you can easily break an ear off 72 where it grabs rod 73. I saw several broken and patched ones on ebay before I fond a good one. Use screw 62 to lock the casting to the rail. Mine had an earlier, weaker version of 72 without screw 62 on the bottom. I hope you have the latter one. Ignore the screw holes in the picture. I was practicing drilling and tapping cast iron.

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post #5 of 6 Old 05-18-2019, 03:46 PM Thread Starter
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Quote:
Originally Posted by woodnthings View Post
Parts for that model are long extinct, so basic operation is the same as a 6" model. Bearings are stamped with a code on the shields so you can replace them easily. Nuts and bolts will be SAE stuff. Other cast iron parts will only be found on a similar model sold for parts only or like yours was ..... The 4" width will be a limitation for flattening faces, but still OK for straightening edges, the basic operations a jointer can do. Looks like it's in nice shape.
The stand looks like it's very narrow and "tippy".
Best to add a wider brace at the bottom with casters so you can lift one end and still wheel it about.
Ya im not too stoked on the 4 inch width, but figured for the price i can make do until i can find a bigger and better one. I mounted castors to one side, and am in the process of widening out the other side for stability, and mounting some bolts with circular plate metal welded to the top so i can level it on uneven surfaces.

And thank you to everyone else who sent manual links, i will be sure to print them out.
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post #6 of 6 Old 05-20-2019, 11:32 AM
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That will work fine for straightening the edge of shorter boards, very handy if you are working with S4S stock that is the same thickness but slightly warped.

Unless you have a thickness planer working on the face of boards with a jointer is a difficult experience to keep them the same thickness any way.

Wise men speak because they have something to say; fools because they have to say something -Plato

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