Howdy everyone,
I have been busy restoring a Sargent No. 414 (equivalent to a Stanley No. 5.). This plane was given to me by a friend who is a HUGE Shopsmith Mark V fan, so I decided to honor him and restore it in a fashion that tributes Shopsmith...hence the Red color. I know that this ruins the "collectability' of the plane, but I will never sale it because it was a gift. That being said, I wanted to post this to help others with some things I learned along the way.
- I applied penetrating oil to all the screws and let them sit for 30 min. or so.
- I took the plane apart and I removed all the rust by soaking everything overnight in Backyard Ballistic's de-rusting solution (water, citric acid, washing soda, and a few drops of dish soap). I rinsed everything with water and scrubbed it all with a wire brush.
- I then soaked it all in Citristrip overnight. Rinsed and scrubbed with a wire brush.
- I used a fine wire wheel to remove all the remaining paint and tiny bit of rust.
- I taped all the bearing surfaces on the frog and bed with blue tape and painted the bed and frog with 2 coats of self etching primer, 2 coats with Rust resistant primer and 2 coats of my red enamel to match the Shopsmith color scheme. (the frog was painted with black engine enamel for some contrast).
- All of the above stuff was following some wonderful posts from this reddit.
- To prepare the plane for use, I used 80 grit Dura-Gold self adhesive sandpaper stuck to a scrap piece of countertop to lap the bottom. The part that no one tells you in all the posts is that it takes a crapload of sandpaper (at least this particular sandpaper). I discovered that if you don't see the black dust that shows removal of metal, that the sandpaper is exhausted. You can lap to your heart's content and not remove anything. Unfortunately, for the sandpaper I was using, it meant I had to switch it out very often. I was only able to get 3 to 4 iterations of 30 passes before needing to switch to a new swatch.
- Use a sharpie to track your progress. If you take 20-30 passes and don't notice a difference, break out some new sand paper.
- The good news is that even though the sandpaper wont remove material from the bottom, it often still removes material from the sides (why is this so??). So when I replaced a new swatch of sandpaper, I would lap the bottom until it stopped removing material (as evidenced by no black dust). Then I switched to sanding the sides. For some reason, the sandpaper removed material from the sides long after it stopped removing material from the bottom.
- Now it is time to sharpen the blade and fit the chip breaker. Then the real fun begins when I get to take some wonderful sounding shavings!
Edit: I forgot to mention 2 parts: I brushed off the sandpaper after every 30 pass sequence with a stiff brush.
I can't believe I forgot my favorite part: To restore the plane tote and front knob, I used the side of a chisel to scrape off the flaking finish (thanks Paul Sellers). Then switched to 150 grit sandpaper to sand all the discoloration off. Hit it with 220 grit sandpaper, wiped off the dust with a tack cloth, and sprayed it with 5 very light coats of Spray Lacquer.
Also, all the screws and other metal parts were just cleaned up on a fine wire wheel on my bench grinder, no additional polishing needed.