Trouble with Ridgid jointer knives

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Forum topic by James posted 08-16-2011 06:36 AM 1582 views 0 times favorited 4 replies Add to Favorites Watch
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138 posts in 2924 days

08-16-2011 06:36 AM

I just recently bought a Ridgid jointer off CL and took the knives out for cleaning. The problem is that I cannot seem to get them to lock back in. Not sure if I just not setting knife properly or what but it the jib just won’t lock down on the knife and its still loose after I tighten the jib all the way down. Any help is appreciated. Thanks,

4 replies so far

View Mark Shymanski's profile

Mark Shymanski

5621 posts in 3710 days

#1 posted 08-20-2011 08:38 PM

I am not familiar at all with Rigid tools but I was wondering if there is a ‘handedness’ to the blades? Perhaps they have been flipped end for end or something. I’m assuming there is nothing in the seat for the blades and that the bolts are loose enough. Some photos may help?

-- "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 gfadvm's profile


14940 posts in 2688 days

#2 posted 08-21-2011 03:14 AM

You should be able to find an owners manual on Ridgid’s web site. This should help with your blade problem. If all else fails, contact a Ridgid service center in your area. They have been very helpful when I’ve had questions.

-- " I'll try to be nicer, if you'll try to be smarter" gfadvm

View D_Allen's profile


495 posts in 2782 days

#3 posted 08-21-2011 04:08 AM

Post the model number so we can look up the manual for ya.

Some of the newer model jointers use jack screws to aid in the adjusting of the knife depth.
That jack screw head must be below the lock bar that the gib screws are in.
Make sure the lock bar is not tightening on the side of the jack screw instead of the blade.

-- Website is finally up and

View gfadvm's profile


14940 posts in 2688 days

#4 posted 08-21-2011 05:52 AM

I knew there was a reason I was afraid to remove the knives from my Ridgid jointer. Thats why I’m following this thread! I’ll check my manual tomorrow to see what it says about replacing knives. Mine is only 3 years old so it may be different model than yours. Doesnt sound like it is as easy as changing blades in my Ridgid planer.

-- " I'll try to be nicer, if you'll try to be smarter" gfadvm

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