Restoring old woodworking tools like a rusty table saw requires patience, a little work, and basic chemistry. If you succeed, nothing compares to the fleeting joy of giving your old tools a new life.
Aside from the joy, you also get to save some bucks from replacing old tools. This is especially true for costly replacements like getting a new table saw.
If you have a rusty table saw that has been sitting in your garage for a long time, then here’s an easy step-by-step guide to salvage your old tool.
6 Steps to De-Rust Your Table Saw
Step #1: Disassemble the Table Saw
Remove the cast-iron wings, the blade insert, the blade itself, and other parts of the table saw. Disassemble parts as you see fit to make the de-rusting process easier.
Step #2: Scrape the Surface Rust
Using a scraper like a putty knife, scrape the loose rust from the surface. This is to make everything flat for the next rust removal step. However, take extra caution not to scrape really hard or cut into the metal. Try to keep it as smooth and flat as possible.
Step #3: Apply a Rust Remover
Apply mineral oil or naval jelly that will act as a lubricant. Apply a sufficient amount and don’t go overboard as you will have to wipe the lubricant off once scrubbing is done.
Follow the instructions on the product you are using. This includes the time you need to wait for the lubricant to take effect.
Then, scrub the rust off with a synthetic kitchen scrubbing pad like Scotchbrite. For heavier rust, you can use a random orbital sander together with the sanding pad.
Note: Do not use sandpaper to remove the rust.
Step #4: Clean the Metal
Once the rust is removed, knock down the remaining rough spots with a buffing wheel and an automotive rubbing compound. Use an orbital buffer to clean the bare metal.
Note: Avoid using silicone-based products. Silicone remains on the table and may contaminate the wood you’ll be cutting. Always check the chemical’s MSDS sheet and see if it includes siloxanes.
Step #5: Apply Rust Protection
Restoring old woodworking tools shouldn’t stop with merely fixing them. You should also ensure that you protect them from getting damage yet again.
To protect the metal from rust, apply protective products like Slipit, T-9, or Johnson’s Paste Wax.
Apply a full layer and allow it to dry for 15-20 minutes. Wipe the table down to remove any excess.
Step #6: Reassemble the Table Saw
Once you’ve applied a protective coating, reassemble the table saw. Clean every part with a rag before you put them back together. Reinstall the cast-iron wings, the blade insert, the fence, and everything you removed from Step 1.
Now, it’s time you get that old rusty table saw out of the garage and start fixing it. With the steps above, you can start restoring old woodworking tools in its working state.
Say goodbye to rust and say hello to your restored table saw.
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