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Jessem TA Fence help (Fence face not 90 to table)

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Forum topic by MDFDoom posted 01-22-2022 03:34 AM 602 views 0 times favorited 7 replies Add to Favorites Watch
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MDFDoom

21 posts in 217 days


01-22-2022 03:34 AM

Topic tags/keywords: jessem router table fence ta square

Just wondering if anyone else has the TA fence from Jessem or really any fence who might have encountered a similar issue and can help me out. I’ve got the full Jessem setup from table top, to lift etc. Just got the fence as it was back ordered for a while.

I’m struggling to get the fence face to be 90 to the table top. It is driving me crazy. I’ve gone through the instructions and done everything twice to make sure everything is done correctly. Once I lock down the fence it seems like the fence is pitched forward. Attaching a photo to show what I mean. It is more pronounced on the in feed side than the out feed side.

I’m wondering if just shimming the fence some how would be the best bet here to get it square?
Appreciate any help or guidance.


7 replies so far

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CaptainKlutz

5580 posts in 2946 days


#1 posted 01-22-2022 09:40 AM

Don’t own this fence, so have no information as to the source of problem.

Thought the design of angle/depth adjustments was clever idea, and considered buying it.
Watching the thread to learn what is happening.

FWIW – Simple 90° angle extruded metal profiles are notorious for not being 90°.
Over half the less expensive extruded aluminum router table fences I have owned did not have a true 90° angle on the base extrusion that attached to table. They all needed shims, and/or angle aluminum extrusions to be adjusted by bending. Some even needed one side of angle to be flattened with hammer and dolly, so it would sit flush on table.

Suggest you remove the extruded inserts and check the base extrusion for square 90°, and that angle does not change after being locked down. This will show which piece needs attention.
Issue could also be defect or hump in the table top laminate surface, or clamping rail; that is shifting the angle as it is tightened? Hope these ideas help.

Best Luck.

-- If it wasn't for bad luck, I wouldn't have no luck at all, Doom, despair, agony on me… - Albert King - Born Under a Bad Sign released 1967

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MDFDoom

21 posts in 217 days


#2 posted 01-22-2022 03:31 PM

@CaptainKlutz Thanks very much for the insights. So I think I was able to figure it out. All the different components coming together and a multiplication of errors might be the main issue here. I decided to go with the shimming and it seems to have solved the issue.

I took a 1/32 shim and placed it under the right rail/fence and then tightened up the fence. The fence as you tighten it straightens out, but I guess it wasn’t straightening enough, with the shim it was better and this seemed like the easiest way to resolve the issue. On the underside of the fence there are 3 strips (guessing UHMW) which glide along the rails. I decided to cut another UHMW strip and place it on top of the black one (closest to the fence face) to help tip it back more. the single strip wasn’t thick enough so I also added some blue tape to thicken it up. More of a temp solution for now. You can adjust the angle of the fence I’ve found by the amount you tighten the fence locking knobs. So playing around and slowly applying pressure allowed me to get it all lined up.

I sort of imagined it would just be lock it down and it would be square but I guess I’ll need to be a bit more deliberate about setting the fence. Hope this is helpful, and happy to answer any questions about the TA fence if folks have any. Attaching photos too incase someone is interested.

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JointerJim

3 posts in 100 days


#3 posted 02-06-2022 01:27 AM

I have the Jessem Ultimate Excel II Router Table with TA fence, but it was square right out of the box. Your pic is a little too close up to tell what’s going g on. Maybe you can zoom out some. I did however, have to adjust the knob zeros on the 2 outfeed fence micro adjusters for jointing. What an amazing machine. Also, tabke wasnt properly grounded, and zapped the digital readout transducer down below. The readout was OK, but only the lower part got hit with dust collection static and needed replacing. Ive since grounded everything together, including fence, dust hood, table legs, etc. Also took apart brackets & dremeled the anodized coating where ground-wire ring lugs go, and allows bracket pieces to join together electrically. Adhesive copper foil (conductive both sides) ground inside of dust hood.

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MDFDoom

21 posts in 217 days


#4 posted 02-06-2022 01:44 AM

I actually contacted Jessem and they sent out a new fence immediately. Pretty amazing service.
I’m not sure if they had a bad batch but they saw photo I seemed to feel the fence was wonky.

I’ve installed the new fence and it is much better in terms of the fit and finish that the previous one. The original ones jointing knobs were really tight and the fence didn’t slide as nicely when you loosened it. I checked gain for square, and it is much better but still was very slightly off. Ended up shimming it with blue tape on the right fence side.

I think for now I’m happy with this solution. It it is a really nice fence. The whole thing is just super solid. I did notice the rectangular bar which slides in the rail was slightly different. You can see it in the photo with the blue tape. It has this step in the rectangle. The new one was just a rectangle without the step part. not sure if that was a design change they implemented, but either way my router table setup is done now.

That fence was back ordered for months and store I bought it from said they were planning on discontinuing the TA fence going forward once this batch of fences sells out :(

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JointerJim

3 posts in 100 days


#5 posted 02-06-2022 11:50 PM

MDF….. glad they made good on the defect. I contacted them about my lift table not being supplied with a starter pin. Only a $5 item, but Woodcraft store where I bought it did carry that item. Jessem sent one out right away. Great customer support & products are built like a tank. Today I spent some time aligning the infeed to outfeed fence, then zeroing out the 2 readings on the outfeed knobs. This was not as easy as it sounds. I ended up skimming off just a couple thousandths with the infeed side micro adjuster, and using a pencil line down the entire side of a 20” piece to indicate equal removal of the mark once the pressure was applied to the outfeed fence til the end of the routing. Then I set the 2 outfeed fence knob set-screws to both read “zero”, for when I’m not jointing and need the fence to act as a solid one-piece fence. This seems to be the tricky part of a 2-piece fence. I wish the adjuster knobs we’re marked with “thousandths” instead of nonsense like “256ths”, etc. At least now I know how many thous each mark is worth. Makes more sense to me now. Surprisingly there isn’t much on YouTube regarding set-up of that TA fence with the 2 outfeed adjusters. There are different ways to go about things, so I guess you just have to come up with what works best for you. Please let me know if you find any such video.

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MDFDoom

21 posts in 217 days


#6 posted 02-07-2022 02:17 PM

Jim,

You are right, nothing much about this fence online which is a bit surprising tbh. Maybe I’ll post a review on LJ in a bit. I have a bunch of tools I’ve bought over the last 2 years or so which I think would be helpful for others to get more data points on.

The only thing I could find on TA fence was this view from Jon Ford Woodworks
https://www.youtube.com/watch?v=SfXMXjMuH6A

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JointerJim

3 posts in 100 days


#7 posted 02-08-2022 02:25 PM

MDF, I just watched the Jon Ford video, and as he said, he glosses over some topics. I see his Excel II package did not come with the infeed-side micro-adjuster. Very handy. I also added the Wixey digital readout tailored by Jessem with their brackets for their table’s tapped holes. And also the Mit-R-Slide II that rides along the TA track. Plus misc stops. Etc. A cedsories. I’ll post videos if I find them

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