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post #1 of 10 (permalink) Old 01-10-2011, 06:40 PM Thread Starter
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Default hitachi m12 base not square

is there an adjustment for square with the bit. i tore the machine apart and could not find anything.
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post #2 of 10 (permalink) Old 01-10-2011, 07:30 PM
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The M12 has a flat side on the base to register against a guide fence for things like cutting dados. Since the bit is round, however, "square" doesn't apply in the usual sense. Or, am I misunderstanding your question?

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post #3 of 10 (permalink) Old 01-10-2011, 07:50 PM
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HI Robert

" is there an adjustment for square with the bit. " = ??????

The bit should come down 90 deg. to the base plate without any help from you, if it's not take the router back to the store


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is there an adjustment for square with the bit. i tore the machine apart and could not find anything.



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post #4 of 10 (permalink) Old 01-11-2011, 07:01 AM Thread Starter
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bobj3 you are right. the router is a number of years old and cannot be returned, but i was hoping to correct the problem. it still plunges and runs great, but when using templates and guides it is inaccurate for presicion work. i just thought maybe someone would know a fix without reengineering the machine.
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post #5 of 10 (permalink) Old 01-11-2011, 08:43 AM
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Hi Robert

It sounds like the bit is not coming down in dead center of the guides, many ways to fix that one, the easy way is just pickup a Milescraft base plate and it comes with a line up pin so you can can use your router " presicion ".....

Amazon.com: Milescraft 1211 Base Plate Metal-Nose Bushing Set for Routers: Home Improvement

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Originally Posted by robertjenns View Post
bobj3 you are right. the router is a number of years old and cannot be returned, but i was hoping to correct the problem. it still plunges and runs great, but when using templates and guides it is inaccurate for presicion work. i just thought maybe someone would know a fix without reengineering the machine.



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post #6 of 10 (permalink) Old 01-11-2011, 05:37 PM
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Bob may have hit on the real problem which is that the base is not centered. Try lightly chucking a 1/2" drill bit (the standard type) or a 1/4" if you don't have a 1/2". Then take a square and check to see if the bit is straight from at least 4 different directions. If it really is off I don't know of a fix.
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post #7 of 10 (permalink) Old 01-11-2011, 06:39 PM Thread Starter
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good idea. i was using my longest plunge bit which was hard to tell accurately whether it is square or like you said not centered. i guess the solution that bobj3 is an aftermarket baseplate that will mount with no trouble to my router and i will then have the ability to adjust for center if that is the problem. thanks guys.
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post #8 of 10 (permalink) Old 01-11-2011, 06:56 PM Thread Starter
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"presicion" should be a word. no?
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post #9 of 10 (permalink) Old 01-11-2011, 07:30 PM
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Quote:
Originally Posted by robertjenns View Post
bobj3 you are right. the router is a number of years old and cannot be returned, but i was hoping to correct the problem. it still plunges and runs great, but when using templates and guides it is inaccurate for presicion work. i just thought maybe someone would know a fix without reengineering the machine.
Hi Robert:

Take a look at the point where your columns attach to the base. Is there any signs of a wrinkle or bend? Look down the insides of the column tubes. It sounds like you've got the kind of damage from being dropped. The fix is to get a pair of new columns. You may need a machine shop to shrink and press the new columns into the base.

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post #10 of 10 (permalink) Old 01-14-2011, 07:14 AM Thread Starter
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the columns are definetly out of square. i will take it to a repair shop to see if they can correct it. thanks again.
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