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Forum topic by skidiot posted 02-04-2018 01:26 AM 672 views 0 times favorited 6 replies Add to Favorites Watch
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85 posts in 3790 days

02-04-2018 01:26 AM

I have a Jet 6” jointer with a helical head. I recently rotated the cutters for the 1st time. Now I get a ridge when I joint something. It appears that some of the cutters are too low. It does it on the fence side. I have tried swapping cutters from other spots on the head and it still does it. It never did this before. It has been a wonderful machine til now.

-- skidiot northern illinois

6 replies so far

View WhyMe's profile


1053 posts in 1706 days

#1 posted 02-04-2018 02:27 AM

You need to make sure the mating surfaces are absolutely clean and torque the screws to the correct tightness.

View Fred Hargis's profile

Fred Hargis

5095 posts in 2639 days

#2 posted 02-04-2018 12:08 PM

Yep, the cleaning of the seats and the torque (45 in. lbs. for mine) is important. For me, even after I did that I still get light lines, they come off with 2 passe (literally) of the ROS. Funny thing, I did this (cleaning/torque) on the jointer and eliminated the lines, but it didn’t work that way on the planer, it leaves those little ridges. Bummer, since it sees the wood last.

-- Our village hasn't lost it's idiot, he was elected to congress.

View Tennessee's profile


2880 posts in 2660 days

#3 posted 02-04-2018 01:40 PM

Mine also has very, very light lines that can be removed with an ROS in about two passes. Started when I went to the second edge a couple years ago.
I was very careful to clean and blow out every bit of dust and contamination, and clean the back of the cutter before re-seating the cutter. Torque was done by me, but I must admit, taking them off, the tightness was all over the place.

It’s not a big deal considering I put some cherry burl, quilted and flamed through the planer a few days ago to make a wooden pickguard, running it down to 7MM thick, and I got zero tearout…

-- Tsunami Guitars and Custom Woodworking, Cleveland, TN

View robscastle's profile


5313 posts in 2350 days

#4 posted 08-27-2018 08:44 AM


-- Regards Rob

View rwe2156's profile


3091 posts in 1626 days

#5 posted 08-27-2018 04:05 PM

You need to make sure the mating surfaces are absolutely clean and torque the screws to the correct tightness.

- WhyMe


-- Everything is a prototype thats why its one of a kind!!

View BroncoBrian's profile


793 posts in 2104 days

#6 posted 08-27-2018 10:25 PM

If the cutters are flying around your shop, you might want to tighten them a bit more.

I would clean the head with compressed air BEFORE removing the blades. That way you are not knocking as much junk into them.

-- I'd like to see a forklift lift a crate of forks. It'd be so damn literal!

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