Porter Cable 75182, no power, no speed control - Router Forums
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post #1 of 9 (permalink) Old 07-06-2020, 09:53 PM Thread Starter
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Default Porter Cable 75182, no power, no speed control

Hi. First post

I have a PC 7518 in a table I built about 20 years ago. Router is as old as the table. It has been sitting for a few years, maybe 5 or so. Finally built my shop and moved all my tools into it.

Well, I fired up the router and noticed it was slow. Thought it was odd because it worked fine 5 years ago.
I chucked a cheap bit in it just to show my 12 yo how it works.
Pfff. Not so good.
With a 3/8" RO bit it was turning really slow, I tried to toggle the VS switch but the RPM didn't change.
So I tried to route a scrap piece of PT pine. It just bogged down.

So I read in here a couple topics on the 7518. Didn't really like what I read. I don't have ton of money for new tools, and trying to save for a DC to keep the shop somewhat clean.

So expecting the worse case , I pulled the top off of the router.

It appears that the plastic slide has a broken tab and would not engage the actual slide switch to change speeds.

So , with a small screwdriver I clicked the switch to a couple positions and it did work to change the rpms .

I did not test it under load though.

Now I'm wondering if there is an actual power issue with it.

I will test it under load tomorrow.

Only thing is it didn't feel right (it was in the 10,000 rpm range before on that small piece of scrap, but didn't seem like it had any power and I could almost make the bit come to a stop.

If I'm using a large panel raising bit on a low rpm, I feel it will just come to a complete stop.

Idk, will test it tomorrow.
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post #2 of 9 (permalink) Old 07-06-2020, 10:24 PM
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Maybe if you set it on the highest speed and then plug it into the speed control, it will work. That is how I have mine,(same router) set up. So I use the speed control to turn it on and off and set the rpms.
Herb
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post #3 of 9 (permalink) Old 07-06-2020, 11:31 PM
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Seems Herb has the plan..
you may need to bypass the internal controller to allow an external speed controller to work...
perhaps one of these diagrams will help...

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post #4 of 9 (permalink) Old 07-07-2020, 07:27 AM
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Seems Stick and Herb have a path for you to follow and it looks very logical. BTW, please fill in you name and location so answers can be more specific that would apply to you. Welcome aboard.
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post #5 of 9 (permalink) Old 07-07-2020, 08:50 AM Thread Starter
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So are y'all talking about the harbor freight control that I've read about?
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post #6 of 9 (permalink) Old 07-07-2020, 09:55 AM
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Before getting a speed controller, I would test it with the bypass to see if you have full power/speed. Maybe check the brushes too.

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post #7 of 9 (permalink) Old 07-07-2020, 10:59 AM
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Quote:
Originally Posted by Codyboy View Post
So are y'all talking about the harbor freight control that I've read about?
More like this one a 20 amp the HF is only 15 amp.
https://www.amazon.com/Rockler-TATS-...4137109&sr=8-5

https://www.amazon.com/20-amp-speed-...eed+controller
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post #8 of 9 (permalink) Old 07-07-2020, 11:17 AM
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I agree with Paul that brushes are a possibility. They can account for low power. Also does it sound like it's laboring? If it is then bearings are a possibility too. They don't like sitting for years.
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post #9 of 9 (permalink) Old 07-07-2020, 09:06 PM Thread Starter
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This evening I load tested the router.
Seems to work fine.
Chucked my largest bit in it(3" panel raising) and worked fine.
Off to order a 4 dollar part with 6 dollar shipping!
Maybe later I'll think about a VS controller.

Thanks for all the quick replies!
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