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post #1 of 4 (permalink) Old 01-30-2012, 04:02 PM Thread Starter
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First Name: Larry
Posts: 31
Default MLCS Circle Jig

Received my MLCS Router circle jig today and proceeded to set it up.
(Yeah, I know a circle jig is not that hard to build but I wanted one and didn't want to spend the time building one.)

The instructions say to install a 1/2" diameter router bit in the router and raise the cutter height so that it sits about 1/4" above the Circle Jig Base. Slide the measuring stick over the 1/2" diameter router bit and adjust the Pivot Pin Block to the position.... etc.

This is where the fun begins. Included with the jig was a free router bit. Not a 1/2" bit but a 3/8" bit.

I contacted MLCS live chat and this is a copy of the live chat:

Please wait for a site operator to respond. Average Wait Time is 30 seconds. You are #1 in line.
You are now chatting with 'Chris'
Chris: Hello, How can I help you today?
Larry Cronkite: Just received my 9333 router circle jig and set it up. The instructions say to use a 1/2 in router
bit but a 3/8 in bit was included. Am I missing something?
Chris: 1 moment
Chris: You are correct. The measuring is set up for use with a 1/2" bit
Larry Cronkite: Then why was a 3/8 in bit included?
Chris: I am looking into that
Chris: 1 moment
Chris: the instructions should read "1/2" or less router bit"
Larry Cronkite: No the instructions say a 1/2 in bit and the hole in the measuring stick is 1/2 inch so a smaller
bit will not work to set the jig up properly.
Chris: The measurement is not off center. it is off the edge of the hole.
Chris: So, if you the inside measure, it will be fine regardless of the bit diameter.
Chris: If you use the outside measure, you need to add 1/2"
Larry Cronkite: I'm still confused. If the jig is supposed to use a 1/2 inch bit why do you send out a 3/8 in bit
with the jig instead of the required 1/2 inch bit?
Chris: A 1/2" bit is NOT required. 1/2" OR LESS works fine
Chris: We will revise the instructions accordingly
Larry Cronkite: That's your story and you're sticking to it.Fine I'll keep this in mind when I write my review.
Chris: Sir, that is how it is designed
Chris: If you still have questions, you can call and speak to a woodworker. They may be able to explain it better
Chris: If you do not feel it will work for you, you are also welcome to return it for a full refund of your purchase
Chris: That is the answer I received from our head woodworker and one of our product managers.
Chris: The item is correct. The instructions need to be revised.
Chat Window
1 of 2 1/30/12 4:53 PM
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post #2 of 4 (permalink) Old 01-30-2012, 05:50 PM
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First Name: Duane
Posts: 1,709

Assuming 0" on the scale is at the inside of the hole, the instructions as revised per Chris would be correct! Hope they do correct the manual though.
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post #3 of 4 (permalink) Old 01-30-2012, 09:44 PM
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First Name: John
Posts: 3,046

Unless they revised it today, the item description does say 1/2" or less, the pdf instructions don't though.
MLCS Router Circle Jig

John Schaben

The problem with experience is I usually get it immediately after I need it.
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post #4 of 4 (permalink) Old 01-30-2012, 10:44 PM
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Join Date: Jan 2006
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First Name: Bj
Posts: 23,786


I will say that you can use just about any plunge bit (1/8" to 1") with that type of setup,it's great way to make cir. on the router table the MLCS has a small down fall it can't make small cut outs..6" diam or smaller the norm but if the pivot pin is in line with the bit it makes it easy to do just about any size, so I'm just saying to just make your own

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Last edited by bobj3; 01-30-2012 at 11:04 PM.
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