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HudCo 
Orange Level
Joined: 29 Jan 2013
Location: Plymouth Utah
Points: 3864
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 Posted: 12 Jun 2023 at 7:55am |
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mostly a tool that welders use but as you can see it has many other uses the needles are hit or pushed just like a air chiesel you can get air chiesel atattechments or just dedicated ones the short stroke higher speed air chiesels work better for this than the longer stroke harder blow
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AC720Man
Orange Level
Joined: 10 Oct 2016
Location: Shenandoah, Va
Points: 5189
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Posted: 12 Jun 2023 at 8:08am |
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This particular version has 19 needles that act like miniature hammers? I guess that’s how I would describe the process. Takes 90 psi from a good size air compressor to operate for extended use. Just hold the tool against what you want to remove paint from and pull the trigger. Quite fun to operate really, it knocked off paint quickly. I do not put pressure against the tool and the tractor. I just allow it to float along. Best results are when the tool is facing straight on and not at an angle. Do not use on sheet metal! You will have a lot of dents to fill.
Most of what you see where the work is done is dust. A good wipe down will remove a majority of it. Etching primer does a great job of sealing the metal to prevent rust as well as treat what little bit is still there. I have never had a issue of lifting of paint from the surface or rust coming back. It’s a good product that I spray on every part before it gets regular primer and paint.
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1968 B-208, 1976 720 (2 of them)Danco brush hog, single bottom plow,52" snow thrower, belly mower,rear tine tiller, rear blade, front blade, 57"sickle bar,1983 917 hydro, 1968 7hp sno-bee, 1968 190XTD
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DSeries4
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Joined: 12 Sep 2009
Location: Ontario, Canada
Points: 7482
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Posted: 12 Jun 2023 at 4:01pm |
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I like the needle scaler. I have used it on my 175 and 190 XT engines. You have to strip down the outside of the engine to get everywhere (I do that already, so no problem). haven't had any problems. It does not interfere with gaskets or seals like sandblasting can.
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'49 G, '54 WD45, '55 CA, '56 WD45D, '57 WD45, '58 D14, '59 D14, '60 D14, '61 D15D, '66 D15II, '66 D21II, '67 D17IV, '67 D17IVD, '67 190XTD, '73 620, '76 185, '77 175, '84 8030, '85 6080
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WF owner
Orange Level
Joined: 12 May 2013
Location: Bombay NY
Points: 4979
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Posted: 12 Jun 2023 at 7:03pm |
 Allis dave wrote:
I've often wondered this. In spots that aren't sandblasted and there is a little surface rust. WIll the rust come back through the paint. When I pained one 12 years ago I sandblased everything to make sure there was no rust to come back.
I'm not a pro so what do the pro's say? |
I've also used Eastwood's products, but I find they are pricier and the Rustoleum seems to be just as good.
I bought a needle scaler several years ago. I like the fact that you don't have the mess left behind from whatever sandblasting media you use.
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AC720Man
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Joined: 10 Oct 2016
Location: Shenandoah, Va
Points: 5189
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Posted: 12 Jun 2023 at 9:21pm |
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I’ve used that also, but inside rims especially those that have had a repair from CC leak. It turns black as it kills the rust. I definitely do not miss the mess of sandblasting. It does a nice job but it’s hot dirty job when the temperature outside is above 70 degrees.
Edited by AC720Man - 12 Jun 2023 at 9:24pm
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1968 B-208, 1976 720 (2 of them)Danco brush hog, single bottom plow,52" snow thrower, belly mower,rear tine tiller, rear blade, front blade, 57"sickle bar,1983 917 hydro, 1968 7hp sno-bee, 1968 190XTD
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DaveKamp
Orange Level Access
Joined: 12 Apr 2010
Location: LeClaire, Ia
Points: 6045
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Posted: 13 Jun 2023 at 6:52pm |
The needle scaler excels at removing loose, flaking material, multiple layers of paint, and rough surfaces FAST.
There are some who make a restoration a full-dismantle, totally strip, mask, fill, prime, paint, sand, paint, polish, etc., job, and the end result is, for all intents and purposes, far more than what the factories ever did. I took a needle scaler to a neighbor's 656 with sheet metal off, and everything that came loose came off, and everything that held on tight stayed on. It got a pressure-washing, then wipe-down with solvent, and he sprayed on a coat of primer/sealer, then a color coat. He did a bit more on the tinwork, and although it had some little spots of imperfection, he exclaimed that the end result of our work was significantly BETTER than when it rolled off the dealer's lot (he drove it off the lot, to his farm).
If a machine has seen enough years to warrant a needle-scaling, there's darned few better ways of getting it done... even if you just scale off what comes loose, and then prime and paint, it'll be a whole lot better protected from the elements, and at a much lesser effort, time, and materials cost.
I like media blasting, and when it comes to details like small parts (alternator/generator castings, etc.), that's where the serious pretty comes from. I wouldn't put a needle scaler to cast aluminum, zinc, or magnesium... unless I wanted it to look like a golf-ball! 
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Ten Amendments, Ten Commandments, and one Golden Rule solve most every problem. Citrus hand-cleaner with Pumice does the rest.
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AC720Man
Orange Level
Joined: 10 Oct 2016
Location: Shenandoah, Va
Points: 5189
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Posted: 13 Jun 2023 at 7:37pm |
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I swept up 2 full dust pans of paint debris off the driveway today. Total of about 4 hours of scaling and scuff pad on a drill to clean it up. A wipe down and she is ready for primer. I’m definitely very pleased with the results.
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1968 B-208, 1976 720 (2 of them)Danco brush hog, single bottom plow,52" snow thrower, belly mower,rear tine tiller, rear blade, front blade, 57"sickle bar,1983 917 hydro, 1968 7hp sno-bee, 1968 190XTD
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