Table saw repair question....... - Router Forums
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post #1 of 20 (permalink) Old 07-19-2009, 09:30 PM Thread Starter
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Default Table saw repair question.......

Hello all !
I recently came across a deal I thought was to sweet to pass up.
I purchased a Skil 3400 13A table saw with right side table extension, and rear sliding out feed extension with stand. It was missing the blade guard and the miter gauge. Paid $35.00 for it.
It cleaned up really really nice for a 10- 15 year old saw. ( its not the new red base 3400 solid table series. Its the old black base half webbed table series 3400. )

On with my question..... after cleaning it up adjusting the fence and installing a new blade I ripped a few boards with it. Now I am not an expert on a table saw by any means but this seems a little weird.......
Just about every cut I get what seems to be blade wobble marks ( the arbor is tight btw ) down the work piece. I have it secure against the fence while feeding, I am keeping a nice even paced feed. I took the motor apart and cleaned it up a bit as well as checked the bearings and brushes. That is when I discovered the previous owner had been cutting tile with it.
White chalk was caked on the motor case inside and out, as well as on the field and associated assemblies. I removed all and cleaned it. Aligned the brushes properly, realigned the motor properly ( only one way it will go on and it centers it self via steel dowels, and spacer head screws. ).
at start up it starts up fine, revs to speed and then gets quite noisy and a little chattery.
Is this a common occurrence with these saws ? Or do you think the arbor assembly is screwed ?
Finally.... whats an easy way to tell ?

I would really like to find out this is an easy fix because I got the saw so cheap LOL! BUT.. if its not I will just re-list it on craigs list where I found it with real world info on how it performs and use the money towards a new table saw. Although, one with both extensions, out feed, and a stand is going to be pricey now days

THANKS A BUNCH !
Duane
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post #2 of 20 (permalink) Old 07-19-2009, 10:33 PM
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Originally Posted by Duane867 View Post
Hello all !

at start up it starts up fine, revs to speed and then gets quite noisy and a little chattery.
This is the part that bothers me. Sounds like a thrust bearing or thrust washer got chewed up by the tile dust. You might check for end play but I suspect you will find little or none until it gets up to speed. You might try putting some side pressure against the blade and slowly rotate the blade by hand to see if you can feel anything. I am assuming that is a direct drive.
Good Luck

Try this link, I suspect the problem is Item 57 or 63 or both. Better recheck because this is listed as a 3400 Type I, they also had a type II and then had some with red bases. Here is the Link:
http://www.ereplacementparts.com/ski...0_164_796.html

John Schaben

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Last edited by jschaben; 07-19-2009 at 10:38 PM. Reason: new info
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post #3 of 20 (permalink) Old 07-19-2009, 10:54 PM Thread Starter
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Maybe I should just order both bearings and the thrust washer ? ( 57,58,63 )
I did remove the armature and the thrust washer while cleaning.
The washer looked fine to me but that means nothing really because I wouldn't know a bad one unless a new one was sitting beside it unless the old was cracked.

As long as that's a 13 amp motor I have a feeling they are all the same, as they are all direct drive with gear reduction. I think the type I and type II references are made to distinguish between models that came with sliding out feed, and extension as well as the webbed tables versus the solid. I will definitely be reworking the fence on this sucker though. Maybe making a rail system ? I dunno but the current lacks.

I'll do as Harry suggested in a PM and check for end play and for eccentricity tomorrow as well. I have a dial indicator so looks like I will finally get to use it :LOL:
I have a feeling you may be on to something with the bearings and washers though.
I'll take her a part tomorrow again and re check. The gear side bearing scares me a little though. as long as it all comes out through the top by removing the 3 bolts from that alloy cap all will be well. Other wise the gear looks like it will fall flat on its nose and be stuck in the casing other wise if I remove the drive shaft to check the bearing. If I need to order parts I'll order directly from skil/bosch though. They are about %30 cheaper buying direct then resellers. Most makers are actually ( aside from craftsmen junk that is).

Last edited by Duane867; 07-19-2009 at 11:00 PM.
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post #4 of 20 (permalink) Old 07-20-2009, 05:49 AM
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Another cause of your new saw's problems might have been misuse due to the cutting of this product:James Hardie siding. The use of consumer model direct-drive saws to cut the cement/fiber siding is prevelant and can lead to the kind of problems you describe. The presence of "white chalk"-like residue is usually the tipoff.

Sawdust is not dirt
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post #5 of 20 (permalink) Old 07-20-2009, 10:49 AM
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John thanks for that eReplacement Parts link! That will come in very handy!
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post #6 of 20 (permalink) Old 07-20-2009, 01:33 PM Thread Starter
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I'm telling ya.... check the manufactueres website before you buy from ereplacements.com.
I checked all around and they are the highest cost supplier. The manufacturer was thew cheapest in my case.
Blade guard assembly, miter guage, brushes and bearings for my saw run over $100 shipped from ereplacementparts.com. Its right around $60 shipped directly from Skil/Bosch.
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post #7 of 20 (permalink) Old 07-20-2009, 01:36 PM Thread Starter
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Another cause of your new saw's problems might have been misuse due to the cutting of this product:James Hardie siding. The use of consumer model direct-drive saws to cut the cement/fiber siding is prevelant and can lead to the kind of problems you describe. The presence of "white chalk"-like residue is usually the tipoff.
Could very well be. This was clearly wet work though. There were white drip marks all over the bottom of the saw. Do you cut James hardy wet as well ?
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post #8 of 20 (permalink) Old 07-20-2009, 02:59 PM
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There are some great resources on this site, many here who are expert in addition to being quite helpful. However, if you don't find an answer here, you might try the old woodworking machinery website (www.owwm.com). I am in the process of rebuiding a jointer and found the answers to many questions there.
Good luck,
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post #9 of 20 (permalink) Old 07-20-2009, 03:50 PM
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Replace the bearings and thrust washers. Since it sounds like this saw was misused, this should take care of your problem. If your blade still has a slight wobble, try using a stabilizer washer on the blade.

Ken

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post #10 of 20 (permalink) Old 07-20-2009, 06:40 PM
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Could very well be. This was clearly wet work though. There were white drip marks all over the bottom of the saw. Do you cut James hardy wet as well ?
No, Hardie siding is cut with shears or a diamond blade, specific to fiber reinforced cement board. Maybe what you're seeing is the previous owners attempt to clean the saw. If the guy had tried to use it as a tile wet-saw, there would probably be a buildup in line with the blade and the inside cabinet of the saw would be covered with residue. The motor would probably have shorted from the spray, as well. Hard to tell from over here. I've seen a lot of crazy users, though.

Sawdust is not dirt
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