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Craftsman Router 315.174321

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Forum topic by Worzi posted 10-08-2018 04:31 PM 221 views 0 times favorited 7 replies Add to Favorites Watch
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Worzi

1 post in 10 days


10-08-2018 04:31 PM

Topic tags/keywords: router repair power tool fritz help

Hi all,

I am in the middle of a project when my router up and quit. I don’t have the funds to buy a new on so I’m trying to get this one fixed / rigged long enough to finish the project.

(Craftsman Router 315.174321 – There are a lot of links for the 315.174 series but none that I can find for the ..321 which seems to have a different case from all the rest)

Initially I had used it for several hours, last Sunday. I shut everything down and left the shop. Tuesday I came in to pick up where I left off, flipped the paddle switch and nothing, nada, no power. I checked the paddle switch with other items, it worked fine. I noticed neither the light nor motor on the router were doing anything. After checking online and a couple of old post here, everything seem to point to the lamp, the trigger or the brushes. So I opened it up and found a broken wire at the lamp. I soldered it back together re assembled and now I have a working light and a loud buzz but no turning of the shaft.
With the shaft lock on there’s no power, with the shaft lock off the lamp lights up and the motor buzzes, but the shaft wont turn.
I hadn’t checked the brushes, well because I cant figure out how to open the case, and of course the manual neither tells you nor does the exploded view give any hints.

So, two questions: 1) How do I open the case (I took the 2 screws out of the top)? 2) What are the possibilities? Keep in mind that when it comes to engines / motors I’m the guy that caught my car engine on fire with nothing but a filter wrench. (I’m the reason you sit through safety briefs) So I need specific instructions.

Thank you,

Kevin


7 replies so far

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LesB

1816 posts in 3587 days


#1 posted 10-08-2018 05:09 PM

If it is not something simple like wiring or switch it is probably frozen bearings. You said it happened over night so it may have over heated the “dry” bearings the last time you used it and when it stopped it froze up. Can you rotate the spindle by hand? if not or it is still or noisy that is probably the problem Note: bearings have size numbers on them and you can buy replacements at most parts or bearing store….local retail or online. (a lot cheaper than from Sears Parts). If that is the problem you next problem may be getting the old bearings off if they are stuck.

Sears Parts store has an exploded view of the router where you can visualize how to disassemble it. https://www.searspartsdirect.com/model-number/315174321/0247/0740000.html

If you expect to use a router in the future now may be the time to buy a new one. New bearings will cost you about $20 and if the router has had a lot of use it may need new brushes too…a worn or bad brush may also be a cause of your problem.

-- Les B, Oregon

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msinc

520 posts in 648 days


#2 posted 10-08-2018 06:19 PM

Having this router fail might be the best thing that has happened to you lately…I had one and several months back I got a nice table and mounted it. I noticed the bit looked a little “blurry” when it was spinning. The main bearings were going bad and had a little runout. I pushed it to do “one last board” and it exploded. The body of the motor, the case, is plastic. The entire armature blew out from under the table and went spinning across the floor of my shop. I cannot quote the exact rpm’s, but it screams. I was lucky to not have gotten hit by it. You might not be so lucky when and if that thing decides to blow. Get a new one now and don’t look back….fanboys can bawl like a fat dog, but Sears didn’t go out of business because they sold great stuff!!! Try a Bosch.

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ChefHDAN

1131 posts in 2994 days


#3 posted 10-08-2018 06:46 PM

Rather then spend any $$$ to repair I’d suggest a quick stroll through your local pawn shops and Craig’s List, me personally, I couldn’t justify spending $$$ on a tool I knew was a “Harry Homeowner” version. I know that if I was in MSINC’s shoes I would have filled them both when the router blew up…

-- I've decided 1 mistake is really 2 opportunities to learn.. learn how to fix it... and learn how to not repeat it

View WoodenDreams's profile

WoodenDreams

118 posts in 55 days


#4 posted 10-08-2018 06:56 PM

I’ve had one of my Craftsman routers stop running in the middle of a cut using 2 1/2” panel bits. It was too much for the router to handle with the speed I was feeding. Turned off the switch, waited 15 seconds, the router reset it’s self, and I was able to keep routing. Too small of horse power. As LesB says, this could be brushes worn, or even a switch. I had a sander quit on me in the middle of sanding 2 weeks ago, it was not a Craftsman, the switch failed. If you take it to a repair shop, the cost may be greater than buying a used or new router.

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msinc

520 posts in 648 days


#5 posted 10-09-2018 09:38 PM



Rather then spend any $$$ to repair I d suggest a quick stroll through your local pawn shops and Craig s List, me personally, I couldn t justify spending $$$ on a tool I knew was a “Harry Homeowner” version. I know that if I was in MSINC s shoes I would have filled them both when the router blew up…

- ChefHDAN

Believe me, I did!!!!!

View bandit571's profile (online now)

bandit571

21275 posts in 2828 days


#6 posted 10-09-2018 09:45 PM

It would be interesting to know who made that router for Sears….since Sears never, ever MADE any tool they sold.

-- A Planer? I'M the planer, this is what I use

View ChefHDAN's profile

ChefHDAN

1131 posts in 2994 days


#7 posted 10-11-2018 11:55 PM



Believe me, I did!!!!!

- msinc

Oh I SINCERELY believe you!!!! That’s a turn everything off and just come back tomorrow kinda FUBAR

-- I've decided 1 mistake is really 2 opportunities to learn.. learn how to fix it... and learn how to not repeat it

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