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new used jointer - where to start

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Forum topic by JoeRPhilly posted 02-21-2018 04:12 PM 564 views 0 times favorited 6 replies Add to Favorites Watch
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JoeRPhilly

174 posts in 2267 days


02-21-2018 04:12 PM

I just picked up a grizzly 8” g1018 jointer last night. Now the bad news… When I tried to test it with a piece of wood, it was set to take off like 1/8 and I could immediately tell the knifes were in rough shape. The previous owner started playing around with the outfeed table while I was trying to adjust the height of the infeed table. Once I saw him adjusting the outfeed, I knew this machine was likely not set up properly. After a few minutes of playing around, I decided that it would need adjustments and tuning and as long as the motor sounded good I would just try to get the price down a bit and I did. Then, we moved it by lifting from the tables, I know that wasn’t smart, I’m hoping we didn’t cause any serious damage. So now I have the jointer, but I’m wondering where to start with getting it in top shape. The knives are destroyed, so much so that I feel there is no point in trying to set the outfeed in relation to the top of the knife because they are clearly lower in some areas. I also probably want to replace the cutter head with a shelix.

So, I think the first step is to make sure the tables are flat and in parallel. I guess I can use the cutterhead without the knifes to set the outfeed, does that make sense? Should I buy a new set of knifes to use in getting it set up? Or should I not mess around with those and go ahead and get the shelix before trying to set up the tables?


6 replies so far

View chrisstef's profile

chrisstef

17629 posts in 3121 days


#1 posted 02-21-2018 04:48 PM

Id get a fresh set of knives then start by making your tables flat across both tabes. One youve got your tables flat to one another you can address installing new knives. Youll want your outfeed table level with top dead center of your knives. Once your knives are installed and outfeed table set, you can go about adjusting your infeed table. Id also suggest a full pot of coffee and a good shop stool.

Edit – i would have whichever cutterhead youre going to use installed first.

-- Its not a crack, its a casting imperfection.

View Planeman40's profile

Planeman40

1234 posts in 2876 days


#2 posted 02-21-2018 05:25 PM

Ditto on chrisstef!!! It will take some time and plenty of patience, but once it is done, it should remain tuned until you have to install new knives. And I would also recommend you search YouTube withe the term “grizzly 8” g1018 jointer”. You will find everything you need telling you how to do what you plan.

P.S. I am not familiar with the Grizzly jointer knife set up. However if it is anything like my 6” Rockwell Delta jointer, you can easily replace knives IF the ones to be removed were properly installed. The trick is DO NOT MESS WITH THE HEIGHT ADJUSTMENT SCREWS!!!. Jointer knives are precision ground and all are exactly the same height. Just drop in the new knives and tighten up. No knife adjustment needed. However you may need to adjust the outfeed table to the new knives height. Be sure to check that

-- Always remember: It is a mathematical certainty that half the people in this country are below average in intelligence!

View Loren's profile

Loren

10477 posts in 3763 days


#3 posted 02-21-2018 05:35 PM

I’d prefer to make sure the jointer is satisfactory
before investing in a pricey cutter head. For
normal hobby woodworking straight knives will
perform well for quite awhile on a jointer.

http://wiki.vintagemachinery.org/JointerTuning.ashx

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Plasmon360

21 posts in 214 days


#4 posted 02-21-2018 06:01 PM

I too picked up a grizzly G1018 in good visual condition couple days back for 400 (i hope it was a good deal). the knives seem beaten up. The previous owner gave me two set of blades ( one is unused regular blade set and other is unsused dispoz-a-blade set) and jointer pal so I need to read its manuals to do the blade change. There are also videos on the grizzly website that I plan to watch carefully.

In my case the outfeed and infeed adjusting levers were not moving at all, they seem to be locked at some positions by stop blocks (nut and bolt). Glad that I did not lossen them and try to adjust them otherwise it would be hard to get the blades aligned properly. I have to do more reading/research before I play with them.

I will be writing my experiences on G1018 in my blog soon, so please if you are interested you can look there at my progress. however note that I am a newbie.

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JoeRPhilly

174 posts in 2267 days


#5 posted 02-22-2018 03:30 PM

Good stuff, thanks fellas! I started out by checking each table for flat using the .007 feeler gauge like suggested in Loren’s link. Tables are flat enough. Then I checked across the tables with a 3 ft straight edge and the same feeler gauge. Things look good there too! I went ahead and ordered a new set of blades, so I’ll work on installing them once they come in. It does make sense to make sure the jointer is satisfactory before investing in the shelix head. That’s a great link Loren, thanks! Plasmon, I’ll look forward to your blog. Appreciate the help Chris and Planeman!

View unbob's profile

unbob

810 posts in 2018 days


#6 posted 02-22-2018 07:23 PM

I have that model, they are a little rough around the edges, but work good. Mine was used enough to dull the knives, then it was put on CL.
My table “levers” were hard to move, I had to remove the tables, and clean-lube the ways, set the gibs.
I use a dial indicator attached to a universal surface gage, to set the knife height, and set the outfeed table.

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