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Scroll blade slipage

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Forum topic by pollock posted 08-24-2010 01:07 AM 628 views 0 times favorited 4 replies Add to Favorites Watch
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pollock

40 posts in 1906 days


08-24-2010 01:07 AM

Does anyone have trouble keep a blade in a Dewalt DW788 scroll saw. I can cut for a while and the blade pops out. I have tried everything by adjusting but to no avail

-- Dean,Tulsa,Oklahoma


4 replies so far

View Keith Fenton's profile

Keith Fenton

320 posts in 1605 days


#1 posted 08-24-2010 03:09 AM

Yeah, it happens every once in awhile. The two screws (thumbscrew on one side and set screw on the other side) get worn after awhile and the edges of them get rounded. You can take them both out and flatten them using a piece 400 grit sandpaper. I just lay a piece of sandpaper face up on the saw’s table and sand the end of the screws to get them as flat as I can. It gets the job done.

Be careful taking the screws all the way out. If they are hard to turn spray some WD-40. The threads in the aluminum blade holder can get stripped quite easily. We keep an extra blade holder on hand just in case this happens.

-- Scroll saw patterns @ http://www.sheilalandrydesigns.com

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pollock

40 posts in 1906 days


#2 posted 08-24-2010 02:15 PM

Keith,
Thank you so much. I will try it and let you know.
Dean

-- Dean,Tulsa,Oklahoma

View JTTHECLOCKMAN's profile

JTTHECLOCKMAN

156 posts in 1835 days


#3 posted 08-24-2010 06:59 PM

Dean

Not sure if you know this or not but all blades come through with oil residue on them from the manufactoring process. IT is a good idea to wipe this oil off or else it builds up on the setscrews. To rid the oil, I like to sand both sides of the ends of the blades with a quick wipe of sandpaper. I also run a piece of sandpaper between the thumbscrew and the setscrew. The thumbscrew on the dewalt 788 should not round over as mentioned above because the tip of the thumbscrew does not spin on the blade. It is a cupped piece that should be able to move freely and this should be check from time to time. Just unscrew the thumbscrew and spin the cup piece on the end. If it does not spin from dust build up clean it up and hit with wd40. If the piece fell off you need to replace the thumbscrew.

-- John T.

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pollock

40 posts in 1906 days


#4 posted 08-24-2010 09:16 PM

Keith,
Followed your advice and it worked like a charm.

John T.
Will sand all blades

Thank both of you for the quick reply

Dean

-- Dean,Tulsa,Oklahoma

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