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Old 07-03-2016, 05:28 PM   #1
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Compressor

Looking for a recommendation for a portable compressor. What are you guys using? Are you happy with it? Is it compact enough?

Thanks, Terry
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Old 07-03-2016, 05:34 PM   #2
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Several years ago I bought a 120V Coleman tank unit at Lowes. It does the job for topping the tires off but would not be anywhere large enough for our 365/70 front and tag 22.5 tires
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Old 07-03-2016, 05:35 PM   #3
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Originally Posted by Terry W View Post
Looking for a recommendation for a portable compressor. What are you guys using? Are you happy with it? Is it compact enough?



Thanks, Terry

Little pricy but 1st class & rated at 100% duty cycle.

https://www.amazon.com/VIAIR-Automat.../dp/B000X9EGFS
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Old 07-03-2016, 05:47 PM   #4
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Your engine-driven compressor will supply close to 120 PSI and has a dryer to remove moisture. Should have a chuck in the rear most bay on right side. Have you considered using it?
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Old 07-03-2016, 05:59 PM   #5
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Originally Posted by wolfe10 View Post
Your engine-driven compressor will supply close to 120 PSI and has a dryer to remove moisture. Should have a chuck in the rear most bay on right side. Have you considered using it?
This is what I use. If your compressor will supply the pressure needed it's a great option.

Using the onboard compressor frees up valuable storage and eliminates the weight of an added compressor.

Couple of useful links on this topic

See post 26 in this thread What Have You Done To Your Motorhome?

Compressed Air Connection
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Old 07-03-2016, 08:15 PM   #6
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Little pricy but 1st class & rated at 100% duty cycle.

https://www.amazon.com/VIAIR-Automat.../dp/B000X9EGFS

X2 except I got the 400P-RV plenty of hose to reach all wheels.
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Old 07-03-2016, 10:08 PM   #7
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Bought a 40 foot air hose and use the on-board compressor. This has worked for the last 11 years.
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Old 07-04-2016, 09:09 AM   #8
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Thanks all,

I already carry an air hose I just didn't realize that I had that much pressure available. I will move on to my next project and cross this off my list.

Thanks again, Terry
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Old 07-04-2016, 09:18 AM   #9
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Thanks all,



I already carry an air hose I just didn't realize that I had that much pressure available. I will move on to my next project and cross this off my list.



Thanks again, Terry

I also do this and resisted carrying a compressor for years. I have come to realize that firing up the Cummins to top off tires in a campground isn't neighborly. I carry the Viair in the toad & can use it anywhere. I still have my on board air for big jobs.
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Old 07-04-2016, 09:22 AM   #10
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Thanks all,

I already carry an air hose I just didn't realize that I had that much pressure available. I will move on to my next project and cross this off my list.

Thanks again, Terry
In that case you next project needs to be a valve and Tee on your tire fill valve.

your next project

Your onboard compressor will give you 120psi, but the pressure will drop to 90 psi before the governor kicks in. So if your tanks show 100psi, and you need 110 psi, you will need to bleed off some air to get the compressor to kick in.

Dan,
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Old 07-04-2016, 10:02 AM   #11
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A few more details:

At least on our 2003 Alpine, the air chuck is very well set up with ball valve to supply AND one to dump air prior to disconnecting the air hose. It is in the rear most compartment on the passenger's side.

Suggestion, tear the finger off a disposable glove and put it over the air chuck to keep dirt out of it (applies to all makes and models). If you don't, when you attach the air hose, you will get a dose of dirt into your air hose-- not good for tire valves, air tools, etc!

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Old 07-04-2016, 02:45 PM   #12
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Porter-Cable CMB15 0.8 HP 1.5 Gallon Oil-Free Fully Shrouded Hand Carry Compressor Kit

I have carried this little guy for years. Light, small and will give you #110. Don't really like firing up the big ol diesel to air up a tire.
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Old 07-04-2016, 03:11 PM   #13
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There really is no tank on the engine compressor so I find using it is tough. If you are down more than a very little bit, the compressor will constantly be trying to catch up, triggering on around 90 pounds. You could add a tank, but why not bring a separate compressor, it will take almost as much room and will not tax the engine
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Old 07-04-2016, 03:25 PM   #14
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There really is no tank on the engine compressor so I find using it is tough. If you are down more than a very little bit, the compressor will constantly be trying to catch up, triggering on around 90 pounds. You could add a tank, but why not bring a separate compressor, it will take almost as much room and will not tax the engine

There are actually a couple of tanks. They provide the reserve air to run the air bags. Most Alpines don't have the air brakes. It doesn't tax the engine but I agree that cranking the engine just for the compressor is not convenient.
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