Delta/Rockwell 37-300 8" Jointer table question

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Forum topic by Will Merrit posted 09-25-2017 06:31 PM 1390 views 0 times favorited 4 replies Add to Favorites Watch
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Will Merrit

89 posts in 2355 days

09-25-2017 06:31 PM

I have a couple of questions for the local experts.

Last night I took about 4 hours set my infeed table to be level with the top of the cutter head….Had to do a little shimming under the cutter head bearing blocks. – Achieved
After I did that I raised the Outfeed table up to about the same height and then adjusted the outfeed to be coplanar with the infeed tables and locked it all back down.

Now Iam lost. It seems everytime I loosened the Gibs and move a table they come out of coplanar, not sure how to fix this.

Where should the tables be in relation to the cutter head when I set them to coplanar the last time?

If I move the infeed table to where the dial on the casting shows “0” shouldn’t the table be level with the knives?

4 replies so far

View Loren's profile (online now)


11506 posts in 5109 days

#1 posted 09-25-2017 06:52 PM

You shouldn’t have to loosen the gibs to move
the infeed table. The screws should be loose
enough that the table moves when the crank
or lever is operated. If the table sags out of
co-planar when the gibs are just loose enough
for it to move easily, then the ways probably
need shimming.

I wouldn’t expect the depth indicator to be more
than roughly accurate on a Delta. You may
be able to move the pointer. Sometimes a
depth scale has screws and slots for adjustment.

View AlaskaGuy's profile


6876 posts in 3770 days

#2 posted 09-25-2017 07:06 PM

I believe you should start with the out-feed table first. This is the way I do it.

Also make sure the out feed table in in plane with the cutter (Not the knives) head across the width of the table.

-- Alaskan's for Global warming!

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Will Merrit

89 posts in 2355 days

#3 posted 09-25-2017 07:07 PM

Shimming makes sense. I just do not want to shim the infeed if I can help it. When do your co-planar adjusting do you typically scroll the infeed all the way to to the up position after you have made sure its level with the cutterhead? Then move the outfeed all the way up and make the two co-planar? Then scroll the outfeed back down to level with the top-of knives, then scroll the infeed back down to level with cutterhead and outfeed. Then back down another 32nd?

View Aj2's profile


4457 posts in 3259 days

#4 posted 09-25-2017 10:12 PM

Will are your tables sagging? there’s really nothing to adjust in a jointer with Dt ways. All you can do is adds shims to the ways. To properly Aline the tables you will need a precision straight edge and maybe a dial indicater.

The outfeed doesn’t need to be perfectly aligned with the head.The knives are set to the outfeed.

Shimming the tables on a DT way jointer is a pain in the ass.If they are sagging the just add enough to bring them back flat to each other.

You might consider taking both tables off completely and cleaning the ways first.There could be crud in there throwing your alinement off.
Good Luck

-- Aj

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