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OK, not exactly in the woodworking arena, but I am hoping that some of you here might be able to advise me.

I have an old compressor that I have cleaned up, and want to put back in service. The...

A few more things.

It would be difficult to reverse the housing because the plate that you gain access to the impeller also has the intake from the ducting. The rest of the housing is one piece. ...

I also have considered reversing the rotation of the fan. Unfortunately, the HF housing is not one that can be easily reversed. However, you could accomplish the same thing by reversing the...

John;

Yes, I knew that the delayed spin up and spin down were because of the additional mass of the fan, and it reacted exactly as hoped for. And you are correct that my separator gives me...

The original impeller was 10", with 7 blades.

The new Jet impeller cost about $80, and was about $105 including shipping.

I have started a new thread to explain what mod I made to my HF collector to help it's performance.

http://www.sawmillcreek.org/showthread.php?203395-Larger-Harbor-Freight-Impeller

Thanks to...

WARNING! This mod was only done because my shop is above 5,000 feet in altitude. I am trying to get the same type of performance that others get closer to sea level. I would guess that making this...

I have just tried to buy the Rikon impeller for my HF. They will not sell it without a serial number from a Rikon 2 HP model. I really would like to try this, so if anyone could send a PM with the...

Dan,

Thanks for clearing that up for me. I mistakenly thought static pressure meant that you measured with no airflow, hence the word static. So I have always been measuring with the system...

Hi David,

This is some great data, and looks to confirm my original thought that the performance of my HF collector is less than optimal primarily because of my altitude. The main difference is...

OK, good to hear. Thanks!

Pretty amazing the price on these. Have any of you used them yet? How do they work? I was half expecting to receive an empty case because of the price, so I am...

Has anyone received one of these amp meters yet? I bought one about 3 weeks ago, but it hasn't arrived yet. Just wondering if it got lost in transit from Hong Kong?

I bought a new Festool track bar for the Grizzly track today. It was a much tighter fit, and now with two bars installed, they seemed to solve all the alignment problems. The track rails are now...

Hi Dave,

I am almost glad to hear you are finding the same issues with your saw. I will try your mod for the depth stop tomorrow.

I have a mill, so I will try to make two new tight tolerance...

I got mine also! The saw came along with two tracks on Tuesday, and the accessory kit came today.

I have been playing with it, but quite frankly have been having some problems? Probably pilot...

Mike and Dave, thanks for all the effort.

Mike, really good info. I may give them a call tomorrow, but looks like they may be high dollar,but you never know.

Dave,
1) NP as I am nearly...

Wow, thanks Dave. I have been searching the net to see what I could find, but all I have found were blades that are straight and I thought that wouldn't work.

So just to see if I have this right,...

Well, the specs say it is a 20 amp motor, but most of the threads I have read say that it starts at about 20 amps and then immediately drops to about 14-15 amps. This is under a load, meaning that...

OK. So this is where I am at now.

Thanks to David, I now know the DC is turning in the right direction.

I also know that I am actually measuring 6” WC thanks to Michael and Paul, and the 3”...

Michael, You may have found my mistake. As I show in my simple drawing, I am not adding the amount the manometer rises on one side, to the amount it falls on the other side. If that is how it is...

Sorry Paul, there seems to be no wiring diagram anywhere on the motor.

I am not sure if the impeller is turning the right way or not. I just checked it, and the best I can do is to show it in a...

Hi Rod, I agree that 3" WC seems too low. I can check the impeller, but if it were running backwards, wouldn't I get pressure and not vacuum at the inlet side of it? I would think that would be...

OK, I measured the amperage in both conditions. With no load (all inlets closed) I am pulling 7.9 amps. This seems ok to me based on what I have read. With a completely open system, I am only...

Thanks Michael, but I am not measuring SP at the fan with the manifold connected. I am measuring it at the fan only, with the inlet connected to the manometer only. Here is a simple drawing of my...

This is a new 110v unit that was pre-wired. I have it on a 20 amp circuit, and it seems to be running fine. Seems to pull lots of air.

I am fairly familiar with both AC and DC circuits, and I...