Husky model #41004 not pumping to pressure?

by rich
(usa)

Husky Compressor Model 41004 (Photo - www.mastertoolrepair.com)

Husky Compressor Model 41004 (Photo - www.mastertoolrepair.com)

The air compressor is not pumping to the regulated setting eg. set for 60 lbs. will only pump to 20 lbs. and shuts off.This is a Husky model #41004.

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Hi Rich...

First off, the pressure that set you on your air regulator has absolutely nothing to do with the cut in and cut out pressure setting on your pressure switch.

If I understand the compressor problem, it runs OK, but the pressure in the tank gets to 20 PSI and then goes no further, and the compressor keeps running?

Do you recall the cut in and cut out pressure settings of the pressure switch when the compressor was working properly? Yours is a pretty small air compressor, but I suspect a cut in around 80-100 PSI and cut out of 100 - 130 PSI or so?

OK, so if the air compressor is running, and the tank pressure is getting to 20 PSI, and the compressor shuts off, that typically is a pressure switch problem.

If you can use a multi-meter (after you remove the shroud) to see if power is still flowing to the motor from the pressure switch after the compressor has shut down, if it was not, that would confirm to me that the switch has failed.

Please add any comments here if you wish.

Cheers,

Bill

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Mar 11, 2015
41004 not pumping
by: Bill

I believe it is a flex hose that connects the tank to the discharge coupler, via the regulator etc.

You will need to pull the cover off, including the wheels to get to a couple of the screws, and then, I expect, you will be able to replace the manifold with an assortment of 1/2" copper pipe and fittings, if the OEM manifold is not available.

You need to disassemble, see what's what, and cobble up a replacement manifold, including a new mini-regulator, an issue I have dealt with, and accomplished, before. Just not on this model of compressor.

Bill

Mar 11, 2015
husky pressure regulator knob
by: Bob

On my model #41004, the center Pressure Regulator Nob literally blew off. The metal collar behind the plastic knob cracked, and the brass looking spring behind it blew the know across the room. Now I can't find a part to replace it. Company says unit is out of warranty.
coaster7@cox.net

Sep 28, 2012
Thanks
by: Rich

Thank You very much I will try what you suggested and then try and locate the parts I had to run out and grab a cheapie central pnuematic from Harbor Freight to get my jobs done man what a headache that thing gives me.
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You are certainly welcome. Sadly, but truly, when you buy cheap, that's what you get. The low cost compressors work (mostly) for DIY and hobbyists, but don't last in a production environment.

B.


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Husky 17 gallon compressor pressure won't build

by Ryan Andre
(Andover, Vermont)

Husky 17 gallon compressor - PRESSURE WON'T BUILD - watch out for wasps!!!!

My Husky 17 gallon compressor cut out on me right in the middle of my deck painting. Air was be pushed out of the air intake port. Some similar situations were posted on this sight so I thought I'd check here.

Having read some threads I thought it might be the reed valve that allows air to enter then closes airtight on the compression stroke. I pulled apart the piston assemblage and the reed mechanism looked fine. SO it wasn't that reed valve.

HOWEVER, as my compressor had sat for a season (or two) there were mud-dobber (nest-building hornet-type bugs) homes inside the assemblage. The compressor on the outside was shiny clean, but inside these buggers had carried in a bunch of mud. I assume they crawled in through the air intake.

I cleaned these out, and suspecting some of that mud and sand had been pushed into the pipes, I checked the screen filter at the entrance to the compressor tank. Sure enough, a bunch of mud and sand had clogged the screen. After cleaning well, the compressor ran fine. What a relief!

Hope this helps. Quick to check and easy to fix.
-Ryan

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Ryan, thanks for this. We always assume it's a mechanical or electrical issue when a compressor doesn't work right. Not reassuring, but interesting to see that there are some "natural" problem creators too.

Cheers,

Bill

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Husky Husky Q26 Compressor builds up to 80 psi, but no higher

by Matt
(Syracuse, NY)

Compressor Info Plate

Compressor Info Plate

Hello,
Thank you for putting this website out here. It has been very helpful. I have a Husky Q26 1 Stage air compressor that will only build up to 80 psi, and then no higher.

The compressor keeps running, but will not build pressure any higher than about 80 psi.

I have opened the pump up to inspect for any failed components, but I didn't see anything wrong. While I had everything open, I replaced the entire valve plate assembly (including new o rings), and I also replaced the regulator assembly (with a rebuild kit), and the pressure switch.

After putting everything back together, the compressor still shows the same problem of only building up to 80 psi. I tried feeling around the intake port, and the intake doesn't appear to be "huffing". I'm out of ideas on what to do next. Any help would be greatly appreciated. Thanks!

-Matt

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Bill says...

Two things are normal causes for the symptoms you related. One is that the intake valves are weak or failing, and air is blowing back out the intake as fast as it is ingested. You have ruled that out, as far as I can see.

I suspect that you, if you don't have a leak somewhere in the system that bleeds out air as fast as it's compressed, have a pump internal gasket failure, which only manifests itself at 80 PSI. By that, I mean that the gasket holds until 80 PSI, and then allows air to breach. The results are as you have described.

You replaced the valve seat. Might be an idea to change out the gaskets too.

Cheers,

Bill



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Husky 7 1/2 hp upright compressor that will not start?

It has worked fine for 2 years but now it will not do anything. Plug is fine, will still let out what little air it has in it but will not run. I unplugged it to reset fuse but still nothing. Any suggestions?
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By "plug is fine" I take that to mean there is power at the plug?

With tank pressure bled down to zero PSI, can you multi-meter the wires going to the pump on the motor side of the pressure switch? Is power getting through, now that the tank pressure is zero and the pressure switch should have tripped over to allow electricity to flow to the motor.

Was it the pressure switch? Answers as a comment here would be appreciated.

Cheers,

Bill

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