Mikta 2401B Miter Saw - Fix

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Forum topic by DangerDoug posted 03-24-2014 09:05 AM 901 views 0 times favorited 8 replies Add to Favorites Watch
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72 posts in 1668 days

03-24-2014 09:05 AM

Have an old Mikta 2401B, it’s in great shape but has had a problem for a long time.
It will grab pieces and throw them around the room, I got used to that but thinking may be a good time to fix.

Any ideas?

Could the fence be bent? it’s cast iron, so that’s hard to believe.
Blade wobble? I can’t really see any, can see a little wobble with a cheapy blade.

The saw works a little better with a good blade, but it will still grab small cutoffs.

My friend is starting a molding project, I can’t lend this to them – as is.

8 replies so far

View lateralus819's profile


2241 posts in 1911 days

#1 posted 03-24-2014 09:25 AM

Is a new blade? Cupped or twisted wood? The only time I’ve ever had a miter saw grab is if the wood is twisted.

Curious if the arbor is bent.

View DangerDoug's profile


72 posts in 1668 days

#2 posted 03-24-2014 09:30 AM

Well this has been a problem for years, and got really good at ducking.
Had all kinds of material on there and blades too.

Yes, maybe the arbor :-/

View Tony_S's profile


871 posts in 3104 days

#3 posted 03-24-2014 09:58 AM

Check the fence with an accurate straight edge. I’d bet that it’s bent.

-- It is the mark of an educated mind to be able to entertain a thought without accepting it. Aristotle

View shopdog's profile


577 posts in 3507 days

#4 posted 03-24-2014 03:23 PM

is the blade in backwards?
had to ask…

-- Steve--

View DangerDoug's profile


72 posts in 1668 days

#5 posted 03-25-2014 08:59 AM

hahaha no-no think we got that in the right direction.
Okay, the fence is out about 2.5 pieces of paper i.e. 10 thousands (pinched in).
Guessing the fence is Alum. What to do – pull it off and sand/plane it straight?
Could bolt a back board/fence and run through planer, but that would mess with the capacity.
The max now is about a 3.5” x 3.5”, so not much.

View dhazelton's profile


2771 posts in 2318 days

#6 posted 03-25-2014 12:16 PM

What kind of blade do you use? If one with too few teeth and a large hook angle it will do that.

View DangerDoug's profile


72 posts in 1668 days

#7 posted 03-26-2014 08:55 AM

Using a 60 tooth “plastic” blade now – which works the best.
I’m thinking the saw might have more than one thing wrong, to make the small pieces “walk” e.g. vibration.

I guess there are a few options about the fence.
>Make a fence from Alum angle or 6/4 stock
>cut/notch the back in “C” section of fence and reinstall straight
>order new part – from Replacement Part.

View DangerDoug's profile


72 posts in 1668 days

#8 posted 03-30-2014 09:03 PM

Maybe too much fusing and not enough looking—
There was a lot of blade wobble; but arbor was not bent.
The arbor assemble pops out in a jiff btw – took it out and cleaned/oiled it.

Turns out the 2 large washers that hold the blade are twisted up. I had other washer/caps from other old equipment stashed away – with a little effort was able to install them and the blade runs straight and true now.

This “chop saw” is nicely designed, easy to work on.

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