poor man's on board air

Build projects, things that guys have come up with to make a Pinz better (or worse?) and aftermarket add-ons.
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ccalingaert
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poor man's on board air

Post by ccalingaert » Fri Feb 10, 2012 8:09 pm

I've been meaning to add air to my truck for a while but don't think I'll use it often enough to justify an expensive system. I found a used humvee 24V compressor on ebay and got my tanks, pressure switch, check valve, pressure regulator, and gauges by buying a 4 gallon hot dog compressor with a bad motor for $30 on craigslist. I cut apart the tanks and had a buddy weld on a couple of additional pipe bungs. Most of the fittings, hardware, and bits and pieces are from McMaster-Carr plus a few odds and ends from the hardware store. It ended up costing almost $270 (those fittings add up), but it's easy to spend that much on just the compressor.

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The light on the control box is only illuminated when the compressor is running instead of being tied directly to the switch.
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Chris
'74 710K

M Wehrman
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Re: poor man's on board air

Post by M Wehrman » Fri Feb 10, 2012 8:54 pm

May be difficult getting to or finding fitting if you hit some mud / snow. Maybe putting female end thru the plate next to brake light?
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audiocontr
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Re: poor man's on board air

Post by audiocontr » Fri Feb 10, 2012 9:06 pm

Very cool. Wher does the line go to at the t? To another regulator on the driver side?
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edzz
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Re: poor man's on board air

Post by edzz » Fri Feb 10, 2012 9:28 pm

Looks like the air intake will be a dirt / mud magnet may want to use a remote filter.
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krick3tt
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Re: poor man's on board air

Post by krick3tt » Fri Feb 10, 2012 11:17 pm

It's OK..never rains in California..don't you know.. :twisted:
Any man who thinks he can be happy and prosperous by letting the government take care of him:
better take a closer look at the American Indian.---Henry Ford

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ccalingaert
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Re: poor man's on board air

Post by ccalingaert » Sat Feb 11, 2012 5:47 pm

If I'm in mud or snow that goes above my tires I have bigger problems than airing up. I'm planning to keep something over the regulator and quick disconnect to keep out mud & dirt.

The tee feeds 1/8 ID tubing to the inside pressure gauge and a hose to the other two gallon tank on the driver side.

The main reason I posted was to point out that a cheap used or broken air compressor has many of the parts you need for an on board air system.
Chris
'74 710K

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TechMOGogy
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Re: poor man's on board air

Post by TechMOGogy » Tue Feb 21, 2012 7:45 pm

Nice job
I like when old bits and parts come together to make a new whole system
I like the tank mounts - what did you use?
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krick3tt
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Re: poor man's on board air

Post by krick3tt » Fri Mar 02, 2012 7:14 pm

Possible place to get valves to send air to different places/tires

http://www.amazon.com/Port-Position-Dou ... 088&sr=8-7
Any man who thinks he can be happy and prosperous by letting the government take care of him:
better take a closer look at the American Indian.---Henry Ford

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ccalingaert
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Re: poor man's on board air

Post by ccalingaert » Sat Mar 03, 2012 9:04 am

The tanks and the compressor are mounted with McMaster-Carr clamping U-bolts. 6" for the tanks, 5" for the compressor. http://www.mcmaster.com/#catalog/118/1536/=gi3spt
Chris
'74 710K

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