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Vintage Circular Saw ID and Cleaning Tips

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Forum topic by Don Broussard posted 01-24-2015 02:50 AM 982 views 0 times favorited 16 replies Add to Favorites Watch
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Don Broussard

3022 posts in 1717 days


01-24-2015 02:50 AM

I just got an old corded aluminum body Craftsman circular saw from a friend this weekend and the saw still works. I don’t recall ever seeing a 7-½” circular saw before.

I’ve included a picture of the saw and its badges. I really have two questions:

1) Can you help me identify it? 2) Do you have any tips on cleaning and polishing up the aluminum case?

I suspect, but I don’t know, that the 9-57 numbers stamped on the badge are the month and year of manufacture.

Thanks in advance for your comments and advice.

-- People say I hammer like lightning. It's not that I'm fast -- it's that I never hit the same place twice!


16 replies so far

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firefighterontheside

13506 posts in 1322 days


#1 posted 01-24-2015 04:18 AM

Looks like a craftsman. :-)

-- Bill M. "People change, walnut doesn't" by Gene.

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Don Broussard

3022 posts in 1717 days


#2 posted 01-24-2015 04:27 AM

Bill—Any tips on cleaning and shining up the case?

-- People say I hammer like lightning. It's not that I'm fast -- it's that I never hit the same place twice!

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DIYaholic

19180 posts in 2141 days


#3 posted 01-24-2015 04:28 AM

I’m thinkin’.... that is their “small light weight” model.

I also think you need to polish that sucker to a mirror finish!!!
A buffing wheel on a grinder….
A buffing wheel on a corded hand held drill…
A buffing wheel on a Dremel rotary tool….

May want to start with a scotchbrite pad….

You get the point….

-- Randy-- I may not be good...but I am slow! If good things come to those who wait.... Why is procrastination a bad thing?

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Don Broussard

3022 posts in 1717 days


#4 posted 01-24-2015 04:32 AM

Ever saw a 7-½” saw before? It might be a lightweight model but I don’t know how to tell.

-- People say I hammer like lightning. It's not that I'm fast -- it's that I never hit the same place twice!

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firefighterontheside

13506 posts in 1322 days


#5 posted 01-24-2015 04:45 AM

Never seen a 7 1/2 before. You can try white vinegar and then clean with clean water to get the vinegar off.

-- Bill M. "People change, walnut doesn't" by Gene.

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DIYaholic

19180 posts in 2141 days


#6 posted 01-24-2015 04:56 AM

I haven’t been able to find anything about this saw….
I’ve only been searching for 10 minutes….
But NADA!!!

-- Randy-- I may not be good...but I am slow! If good things come to those who wait.... Why is procrastination a bad thing?

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DIYaholic

19180 posts in 2141 days


#7 posted 01-24-2015 05:01 AM

This was all I could find so far.
The 207.XXXXX indicates the manufacturer of the saw….

-- Randy-- I may not be good...but I am slow! If good things come to those who wait.... Why is procrastination a bad thing?

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longgone

5688 posts in 2774 days


#8 posted 01-24-2015 05:01 AM

vintage

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boxcarmarty

13522 posts in 1826 days


#9 posted 01-24-2015 12:45 PM

Don, If you can find some commercial grade aluminum cleaner to spray it with, It’ll brighten it up. I buy it by the gallon for the large barge…..

-- My mind is like lighting, one brilliant flash, then its gone.....

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bigblockyeti

3668 posts in 1186 days


#10 posted 01-24-2015 02:32 PM

I’ve cleaned up a few aluminum cased power tools before and my best results come from first disassembling the tool, then using a buffer with an 8” cotton wheel and red rouge buffing compound.

View Don Broussard's profile

Don Broussard

3022 posts in 1717 days


#11 posted 01-24-2015 02:45 PM

Great suggestions, y’all. I’ll try the disassembly and cleaning suggested.

Randy—Good sleuthing. Looks like my saw was made by American Floor Surfacing Machine Company.

Marty—I have some aluminum cleaner. I’ll use that to clean up the case, after which I’ll hit the buffing wheel.

Thanks for all the great suggestions.

-- People say I hammer like lightning. It's not that I'm fast -- it's that I never hit the same place twice!

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Don Broussard

3022 posts in 1717 days


#12 posted 01-24-2015 11:44 PM

I took a few of the knobs off the saw this afternoon and put them under a flap wheel slowly and the years of grime just came right off. I’m pretty sure it’ll clean and polish up really nice. BTW, turns out I don’t really have aluminum cleaner—I have aluminum polish.

I didn’t disassemble the case yet either, but I did some prospecting.

No shop tomorrow, so maybe next week, I’ll get a before and after shot posted.

-- People say I hammer like lightning. It's not that I'm fast -- it's that I never hit the same place twice!

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MrUnix

4234 posts in 1665 days


#13 posted 01-24-2015 11:58 PM

I have a vintage Disston D725 circular saw that is 7.25” and weighs in at about 13 pounds! I do not feel any need to ‘polish’ it up.. I kind of like the patina of the old girl, and I think trying to shine it up would ruin the classic looks:

Also, the aluminium oxide coating that forms (almost immediately) on the surface actually protects the metal from further oxidation.

Cheers,
Brad

-- Brad in FL - To be old and wise, you must first be young and stupid

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Don Broussard

3022 posts in 1717 days


#14 posted 01-25-2015 12:39 AM

Thanks, Brad. Nice looking Disston saw and heavy too. I will not probably NOT return this saw to service—might be a shelf-sitter (gasp!). I’m thinking the bearings need to be changed and I seriously doubt that I’ll tackle the bearing replacement. Since I started with the cleaning, I’m committed.

-- People say I hammer like lightning. It's not that I'm fast -- it's that I never hit the same place twice!

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gfadvm

14940 posts in 2156 days


#15 posted 01-25-2015 01:47 AM

Don, Aluminum trailers are “acid washed” to restore them to new appearance. I would not buff that saw with any buffing compound as they are designed for very smooth surfaces not the cast surface on your saw. The surface will trap wax/compound in the “pores” and you will be disappointed. If you already buffed, mineral spirits and a brush will get most of the wax/compound off.

-- " I'll try to be nicer, if you'll try to be smarter" gfadvm

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