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Makita 2030 -- setting the jointer blade height

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Forum topic by SGGilliland posted 07-04-2020 08:53 PM 200 views 0 times favorited 8 replies Add to Favorites Watch
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SGGilliland

11 posts in 880 days


07-04-2020 08:53 PM

I have a Makita 2030 and I’m having a heck of a time trying to set the jointer blades. I have the manual, but I do not have the leveller. I’ve seen comments that it is easy to set the blades on this machine, but I cannot get it right.

Instead of the leveller I’ve used a piece of plate glass to set the blade height. I’ve done this several times and I think the blades are set too low – when I try to joint, the leading end of the board catches the outfield table. I’ve checked the height by placing a piece of board on edge on the out feed table with the end hanging over the in feed table and advancing the blade – the blade just touches the board but does not move it a head. I’ve repeated this many times—if only I could adjust the height of the out feed table.

I think the blade needs to be higher. To set the blade higher I’ve used a trial-and-error method. Set the board over the blade, turn the blade and measure how far it advances. If I can get the board to advance 1/8 to 5/16s its good, it it moves any more and I get snipe on the trailing end of the board. The problem with setting this way is I need to set the height at the near and far end of the blade for both blades. This is not easy—I can spend what seems to be hours before I get it right.

Any help appreciated,

Thanks
Scott


8 replies so far

View BlasterStumps's profile

BlasterStumps

1703 posts in 1245 days


#1 posted 07-04-2020 09:09 PM

I would think that if you first leveled the infeed and outfeed tables with each other, then adjust the blade height so it just barely moves a piece of flat whatever the same amount on both ends of the blade that you should have it. Its been a while since I last did my little jointer knives but I think that is what I did. In lieu of a piece of flat whatever, a dial indicator set up would be even more precise.

-- "...I've been through the desert on a horse with no name." So name the damned horse already!

View Foghorn's profile

Foghorn

528 posts in 192 days


#2 posted 07-04-2020 09:12 PM

I made a magnetic jig years ago something like this but using rare earth magnets. You can also buy a manufactured one from a few places. Quick and accurate.
https://www.finewoodworking.com/2005/10/25/jointer-knife-setting-jig

-- Darrel

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SGGilliland

11 posts in 880 days


#3 posted 07-04-2020 09:27 PM

The problem I have with the Makita is there is a spring plate that holds the blade in place. I don’t think the magnet would be strong enough to pull the blade – that spring plate puts quite a bit of pressure on the blade. It is this plate that is causing all the grief. You need to push hard enough to move the blade, and I almost always overshoot and have to start the process again.

Blasterstumps – That’s where I am now. The tables are levelled bit it did not seem to help.

Thanks
Scott

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Aj2

3178 posts in 2603 days


#4 posted 07-04-2020 09:50 PM

Focus on getting all the blades set the same out of the head . Then lower the out feed table slightly lower then the infeed. Turn on machine run a board that’s fairly straight out over the infeed at least 3or 4 inches. Turn off machine.
There should be a gap between the bottom of board and out feed.
This is where your jointer is cutting top dead center. Now raise up the outfeed table so it barely touches the bottom of the board.
The knives should be set low in the head . See pic.

I have found the best way to set jointer knives is with a dial indicator with a button tip.
Whole new discussion :(
If your jointers outfeed is fixed roll the machine out to the curb. And get one that does.:)
Good Luck

-- Aj

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SGGilliland

11 posts in 880 days


#5 posted 07-04-2020 10:08 PM

Aj – the outfeed is fixed—it usually takes many attempts to get them set correctly. The only thing that keeps it from the curb are a couple of beers that usually get consumed with the set up.

Scott

View MrUnix's profile

MrUnix

8159 posts in 3004 days


#6 posted 07-04-2020 10:20 PM

One of the easiest machines to set knives on short of those disposable indexed things. All you need is two pieces of hardwood, roughly 4-5 inches long and about 1 inch square. Make sure they are straight and flat.

Index head using lock pin.
Insert knives proud of head.
Push knives down using the two wood blocks at each end
(push until the blocks span the casting and can’t go any further)
Rotate head and tighten bolts
Spin head 180 degrees and do other side the same.

Done.

Identical procedure for both jointer and planer knives.

Cheers,
Brad

-- Brad in FL - In Dog I trust... everything else is questionable

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SGGilliland

11 posts in 880 days


#7 posted 07-04-2020 10:22 PM

Thanks Brad,

I’ll try that in the morning and let you know how it goes.

Scott

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SGGilliland

11 posts in 880 days


#8 posted 07-05-2020 03:13 PM

Well, I tried your method and still had issues. I pulled the blades and noticed they had a slight crown and I’m guessing that is the issue. I’ll have them re-sharpened and try again.

Thanks

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