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dm-20
Oct 14, 2018 20:56:25 GMT -5
Post by ettrick on Oct 14, 2018 20:56:25 GMT -5
Picked up a dm-20 today. Serial 400530110 and ut 05022. Is 1980 the correct year on this? Are these good units? And can i get new blades for this saw? I would like a concrete and steel cutting blade if available. Can this cut concrete?
Dan
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dm-20
Oct 14, 2018 21:17:55 GMT -5
via mobile
ettrick likes this
Post by undee70ss on Oct 14, 2018 21:17:55 GMT -5
Pics!!!!
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Post by 5terrysupersaws on Oct 14, 2018 22:38:37 GMT -5
UT:05022 ( DM-20 ) SN:400530110 ...built Friday,February 22nd of 1980,...unit 110 ...('86 last year built for that UT#)
The concrete/masonry abrasive wheel was standard equipment on these multi-purpose saws.
New Homelite wheels are available for steel,ductile iron,concrete.....
....Also a Hi-Speed Carbide Blade is available for wood and non-ferrous metals.
X2 for pics !
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dm-20
Oct 15, 2018 7:42:38 GMT -5
Post by ettrick on Oct 15, 2018 7:42:38 GMT -5
Ok i will get a picture up soon. Do these concrete blades run dry? I was thinking i saw a diamond coated blade for longer lasting on a newer saw. I am going to have to figure out blade part numbers so i know they will work on this saw. It looks like it will take a twelve inch blade.
Dan
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Post by sweepleader on Oct 15, 2018 9:21:29 GMT -5
I think chainsawlady has NOS wheels for these saws, send her a PM. Otherwise, you can get them at the big box stores or most anywhere.
Wet or dry depends on the wheel you buy, some are both or either.
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Post by chainsawlady on Oct 15, 2018 11:10:59 GMT -5
I have blades for the XL-98 Homelite Construction Saws, but not for the DM-50.
Homelite part numbers for XL-98 is 64596-concrete, 64597-metal.
for the DM-50 47449-concrete, 47450-metal
chainsawlady
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Post by jerseyhighlander on Oct 15, 2018 11:39:13 GMT -5
Personally, on a saw/blade that size, I would only cut concrete with a diamond blade used wet. The amount of dust that must come from the abrasive blades used dry in concrete must be mind boggling. And it will wear through the abrasive blade very quickly, reducing it's diameter and your depth of cut as you go. Using a diamond blade with water, you keep all that dust out of the air and out of your personal & the saw's air filters. And the blade diameter/depth of cut remains unchanged unless you are measuring in thousands of an inch.
The only things that matter, is the overall diameter of the blade & the diameter of the arbor. Other than that, the blade has no idea what saw it's on. The only possible anomaly is that the flange/arbor set up on some saws & blades might have a diamond pattern instead of just a round hole.
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dm-20
Oct 15, 2018 13:02:05 GMT -5
Post by ettrick on Oct 15, 2018 13:02:05 GMT -5
Thanks for the good information. I suppose the homelite ones are older and would not have diamond blade available. I see chainsawlady posted part numbers for dm50 and not dm20 as i have. Maybe the saw uses the same blades, if same diameter and arbor. Could someone confirm this? I agree water would be the best idea. This is all new to me, as i have never owned any of these saws.
Dan
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Post by jerseyhighlander on Oct 15, 2018 13:38:44 GMT -5
Thanks for the good information. I suppose the homelite ones are older and would not have diamond blade available. I see chainsawlady posted part numbers for dm50 and not dm20 as i have. Maybe the saw uses the same blades, if same diameter and arbor. Could someone confirm this? I agree water would be the best idea. This is all new to me, as i have never owned any of these saws. Dan Diamond blades are available everywhere. Not Homelite branded, but that doesn't matter at all unless you want it just for display purposes and it's never going to be used. Again, the right overall diameter and the right size hole in the middle, only things that matter. |
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Post by 5terrysupersaws on Oct 15, 2018 16:47:01 GMT -5
Ok i will get a picture up soon. Do these concrete blades run dry? I was thinking i saw a diamond coated blade for longer lasting on a newer saw. I am going to have to figure out blade part numbers so i know they will work on this saw. It looks like it will take a twelve inch blade. Dan IPL Homelite_DM-20_17331_Rev. 1 ; has the part numbers of the abrasive wheels and saw blade...same ones were used on the XL-98.....( 12" x 5/32" x 1" ) ...Also lists an optional "Wet Cutting Kit". |
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Post by sweepleader on Oct 15, 2018 19:23:17 GMT -5
The wet kit is a garden hose connection, a valve, some tubing, a Tee, a couple of clips and screws to fasten to the blade guard. Pretty simple to fabricate. Not likely you would find a kit for sale, worth a look I suppose.
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Post by ettrick on Oct 15, 2018 20:04:00 GMT -5
I am going to look for that wet cutting kit once i get a part number. You never know, maybe chainsawlady has one sitting on her shelf! Cylinder looks good, i think this saw was minimally used, home owner only maybe.
Dan
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Post by 5terrysupersaws on Oct 15, 2018 20:25:07 GMT -5
Wet cutting kit ; A-46477
Concrete wheel ; 64596-BS
Steel wheel ; 68421-AS
Carbide blade ; 64595-S
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Post by undee70ss on Oct 17, 2018 1:10:39 GMT -5
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Post by undee70ss on Oct 17, 2018 1:11:24 GMT -5
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Post by jerseyhighlander on Oct 17, 2018 1:17:13 GMT -5
Very cool machine. Nice & clean too.
Man, that XL platform was a versatile SOB. Like the T-Model Ford, went everywhere, did everything.
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adgno
Saw Builder
Posts: 122
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Post by adgno on Oct 17, 2018 3:31:03 GMT -5
Very nice machine, would like to see that one in action.
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dm-20
Oct 17, 2018 7:33:03 GMT -5
Post by ettrick on Oct 17, 2018 7:33:03 GMT -5
I think i am going to put cutter wheel to the outside if possible, for less mess on saw when cutting.
Dan
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Post by sweepleader on Oct 17, 2018 13:38:28 GMT -5
With the wheel mounted on the inside like it is, its in line with the rear handle. Less tiring, straighter cuts. My XL-98 uses the same bar and wheel, it mounts either way.
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Post by jerseyhighlander on Oct 17, 2018 15:11:09 GMT -5
As Sweepleader said, the normal placement on virtually all brands of that type saw, is as it is currently mounted. It's balanced that way and easier to sight down the blade as you cut. The option for it to mount to the outside is for when you need to get close up to a wall or other obstruction, but not really intended to be left there, unless you like fighting the off balance all day. It's gonna get dirty no mater what, but that was it's intended purpose in life, so it will be a happy machine.
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