Jointer table not level

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Forum topic by MrRon posted 06-17-2013 04:34 PM 1123 views 0 times favorited 3 replies Add to Favorites Watch
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5130 posts in 3415 days

06-17-2013 04:34 PM

Topic tags/keywords: jointer

I have a Powermatic 6” jointer and I’m pretty sure the tables are not co-planar. I understand that this can be corrected by shimming the tables. I can do this easily with the out-feed table because this is set once and left alone. The in-feed table is different. If I shim it and readjust for depth of cut, won’t the level be changed?

3 replies so far

View pintodeluxe's profile


5783 posts in 2985 days

#1 posted 06-17-2013 04:39 PM

Take a 4’ straightedge, and check the tables for co-planar. Use a feeler gauge with a .002” feeler to see how far it is off. Your Powermatic may be like my Jet, where there are gib screws that can make the adjustments, rather than brass shims. That way the alignment won’t be affected by changing depth of cut.

-- Willie, Washington "If You Choose Not To Decide, You Still Have Made a Choice" - Rush

View unbob's profile


810 posts in 2075 days

#2 posted 06-17-2013 08:36 PM

I would suggest removing the tables and cleaning/lubing the sliding ways.
Adjust the gibs so as they allow the table to just move smoothly, too loose the ends of the tables will sag.
It doesnt take much gummy build up to throw the tables out.
At least at that point, testing with a straight edge, can get a better idea of what is going on.

View knotheadswoodshed's profile


225 posts in 2344 days

#3 posted 06-18-2013 01:35 AM

dont try using the IGaging straight edges, the ones I just got ( 3 piece set) are not even close to being “straight”, with the 24” being the worst

-- Randy - "I dont make mistakes, I make design change opportunities"

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