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Dewalt 746 Restoration #5: Sliding table clean up

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Blog entry by ihadmail posted 02-08-2017 02:26 AM 752 reads 0 times favorited 2 comments Add to Favorites Watch
« Part 4: Final trunion cleaning Part 5 of Dewalt 746 Restoration series Part 6: Painted, going back together. »

I had a few free hours after work today, so I decided to disassemble and start cleaning the underside of the sliding table. This will be another small update.

I will need to source new hardware for the slides, all of the nuts and bolts are too rusted for my taste. They all appear to be standard metric fasteners so I don’t think I’ll have much trouble finding them when the time comes for that. The stainless steel heavy duty slides that Dewalt used have held up to the rough life of this saw very well.

After removing everything from the cast top this is what I had to work with.

It was in much better condition than I expected to see. The bluing, or possibly black oxide, coating from the factory kept the underside of this piece in great condition considering the neglect it’s seen.

I took a few minutes with a dry wire brush and loosened all of the sawdust and pitch that was stuck on there. I was careful here to use very light pressure and only hit the areas necessary. I wanted to get a good visual of how much rust was actually there.

Here’s the view after the saw dust removal.

A little more rust than I originally thought, but still overall in good condition. I then set out with my new procedure of dipping the brush into undiluted simple green and working small areas at a time. I kind of let my OCD take over here, it’s very difficult for me to call something good enough when I can still see defects or dirty areas. After about three hours of slowly brushing the rust I called it quits on the bottom.

I would give the bottom a solid 98% cleaned now. It’s actually in such good shape still that I’m going to skip the POR-15 treatment here and go straight to the Sherwin Williams Industrial DTM paint. All of the machined areas will be coated with Boeshield T-9 prior to reattaching the slides and mounting tray.



2 comments so far

View Mark Shymanski's profile

Mark Shymanski

5621 posts in 3526 days


#1 posted 03-07-2017 08:11 PM

That sounds like an incredible amount of detail work, and it appears to be paying off.

-- "Checking for square? What madness is this! The cabinet is square because I will it to be so!" Jeremy Greiner LJ Topic#20953 2011 Feb 2

View ihadmail's profile

ihadmail

61 posts in 327 days


#2 posted 03-08-2017 01:30 AM

It was an incredible amount of detail work. Thankfully I found all of it a bit therapeutic. I think I spent somewhere around 3 hours total on this project just applying painters tape to protect the machined areas I wanted to keep unpainted.

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