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Unparallel Dewalt 733 thickness planer!

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Forum topic by Mark Shymanski posted 07-04-2009 08:36 PM 1733 views 1 time favorited 5 replies Add to Favorites Watch
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Mark Shymanski

5314 posts in 3178 days


07-04-2009 08:36 PM

Topic tags/keywords: thickness planer out of square repair

Hello All,

Finally got some shop time so thought I would try out my new Leigh Super Jig. First step is to dimension some wood. Fine, I get my 5 test pieces lined up joint ‘em and then run them through the planer to dimension them. One side is dead on 3/4 ” the other about 1/8 or so narrower. I was a bit annoyed, as I’d never measured this carefully before and have probably had this major difference since I bought the used Dewalt.

Well I had to change to sharp blades anyway…and I figured how hard could it be to remedy the unparallelness anyway. Sometimes ignorance really is bliss LOL! I pulled the cover off quickly swapped the blades out (I downloaded the manual from the Dewalt website…Thank you Dewalt!). The manual does not describe how to true up the squareness of the machine. So I look at it for a bit and fiddle around and notice the threaded rods on both sides that raise and lower the cutting head. They measure about 2 mm off (the distance from the deck to the frame of the cutter head). On top of one of them is of course the crank, on the opposite side is a wee disc with a set screw in it. I undo the set screw fiddle a bit with the cutter head measure both sides and voila it it back in true. Well I’ve not run wood through it yet but I had to come in and make the kids lunch and thought I’d quickly blog about this. Is blog a verb or a noun? Any way I am very pleased with how well this worked so far and really appreciate how well written and illustrated the manual was and how easy it was to take apart.. and more importantly rebuild the 733.

Well got to get the kids fed, type at you folks later :-)

-- "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


5 replies so far

View rickf16's profile

rickf16

387 posts in 3047 days


#1 posted 07-04-2009 09:14 PM

I’ve got the 733 also. Never thought about it getting out of “whack”. Thanks for the info. Will check mine next time I use it.

-- Rick

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Mark Shymanski

5314 posts in 3178 days


#2 posted 07-04-2009 10:14 PM

If you do need to square it up, I could probably give a more detailed description, but once you open the cover it is pretty straightforward.

-- "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 marcfromny's profile

marcfromny

45 posts in 2825 days


#3 posted 07-09-2009 05:40 AM

oh no! I better save this thread. I think I may need new blades or get them sharpened, but I thought they just popped bakc into place. yikes. I hate truing things up!

View Karson's profile

Karson

35035 posts in 3866 days


#4 posted 07-09-2009 06:31 AM

Nice find and help for others.

-- I've been blessed with a father who liked to tinker in wood, and a wife who lets me tinker in wood. Southern Delaware soon moving to Virginia karsonwm@gmail.com †

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Mark Shymanski

5314 posts in 3178 days


#5 posted 07-09-2009 08:57 PM

Thanks Karson, I’ve received so much from this site it is nice to be able to return a modicum of it.

marcfromny the blades did just pop right back into place if you use the magnetic jigs Dewalt supplies (they are mounted on top of the blade cover…see the manual). It was dead easy to get the blades back in, the lack of sqaureness had nothing to do to with the blades but actually the frame that holds the motor and blade assembly.

-- "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

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