Dewalt 734 won't cut more than 1/16th"

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Forum topic by Slabguy posted 190 days ago 566 views 0 times favorited 9 replies Add to Favorites Watch
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24 posts in 394 days

190 days ago

I’m sure I’m doing something wrong but I can’t figure it out. The manual says the 734 will cut up to 1/8” on boards less than 6” wide. I planed some walnut last night and was having to plane in 1/16th” increments because the board would hit the frame if I tried to cut 1/8” at a time. There is some adjustment knob on the back/side of the planer that the manual talks about but I’m still not sure of it’s use. Maybe I have it set wrong? Any suggestions?

9 replies so far

View bigblockyeti's profile


1469 posts in 347 days

#1 posted 190 days ago

I haven’t run into that problem on mine before, but I’ve never tried to plane off 1/8” at a time either. The most I’ve ever planed off was by leaving the cutter head unlocked with the board pushed just under the material removal gauge, run up to about 3/16” of the maximum indicated 1/8”. Then locked the cutterhead and pushed the board in. What species are you trying to plane that much off of? How wide is the board?

View CharlesA's profile


1212 posts in 424 days

#2 posted 190 days ago

I would think a 1/8” cut on walnut on a lunchbox planer would be a disaster, even if the machine would allow it. Most folks probably take between 1/16 and 1/32 off per pass.

-- "Man is the only animal which devours his own, for I can apply no milder term to the general prey of the rich on the poor." ~Thomas Jefferson

View Redoak49's profile


308 posts in 615 days

#3 posted 190 days ago

I had that planer and never took off anything more than 1/16”. It may do more with a different wood but walnut is pretty tough. I think 1/8” on walnut is a pretty tough cut for that machine.

With expensive woods, I take off lighter passes to get a better surface finish and not risk any tear out. In addition, I am usually trying to hit a specific thickness and use a digital caliper to measure after each pass. When making face frames or similar, it is very helpful to be withing 0.005” for every board.

View cutmantom's profile


274 posts in 1661 days

#4 posted 190 days ago

On my planer there is part of the frame in the center that limits the cut on wide boards, narrower boards are fed off to either side and there is more clearance for deeper cuts

View bigblockyeti's profile


1469 posts in 347 days

#5 posted 190 days ago

Missed the walnut in the OP, that’s pretty tough stuff. I would think maybe you could get away with it if you were going through a lightweight soft wood, and still not anything wider than 6”.

View jmartel's profile


1853 posts in 776 days

#6 posted 190 days ago

I typically take 1/32” off at a time or less on my 735. I have no idea why you would take 1/8” off at a time. That’s asking for trouble.

View madts's profile


1245 posts in 966 days

#7 posted 190 days ago

1/2 a turn is the most i do on mine. Does not really matter what I am cutting

-- Thor and Odin are still the greatest of Gods.

View Shawn Masterson's profile

Shawn Masterson

1253 posts in 574 days

#8 posted 190 days ago

I usually take 1/8”-3/16” on the rough pass and a 1/16” on the final pass, and for my planer width doesn’t matter(up to 20”). Keep in mind I don’t use a lunch box.

View Slabguy's profile


24 posts in 394 days

#9 posted 188 days ago

Thanks guys. This is my first planer so I’m glad you guys can give me some guidance.

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