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02-17-2015, 12:33 AM
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#1 |
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Registered User
Join Date: Nov 2010
Location: Alabama
Posts: 741
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Looking at a used air compressor
Does anyone have any tips when looking at a used air compressor? I'm going to look at a 60gal Farmhand this weekend. Other than turning on, what are some things to look for?
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02-17-2015, 01:05 AM
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#2 | |
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Senior Member
 
Join Date: Jan 2001
Location: Orem, Utah
Posts: 7,976
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Re: Looking at a used air compressor
Quote:
If it's a piston-type compressor, check the crankshaft and flywheel to make sure they're true, and check the condition of the belt(s). Also take a look at the oil in the crankcase. If it's a no-maintenance compressor, there's not a whole lot you can check out, except to see if it runs. I looked it up, and it appears Farmhand is made by Campbell-Hausfeld, which is a pretty good brand. |
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02-17-2015, 01:10 AM
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#3 |
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Registered User
Join Date: Nov 2010
Location: Alabama
Posts: 741
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Re: Looking at a used air compressor
Great thanks, the rust does worry me. Should there be any rust at all?
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02-17-2015, 01:47 PM
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#4 |
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I am a Referee of life.
Join Date: Jun 2000
Location: Greensboro N.C.
Posts: 13,992
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Re: Looking at a used air compressor
You can't avoid some rust in the tank, air has moisture in it and it drops out in the compressor. Let it run a while, at least to full pressure. Then wait for it to cycle so that you know the pressure switch is working. Some pressure switches are adjustable and you want to watch that it doesn't go beyond the rating of the compressor. If it does it may have been set higher and overworked or may just be worn. It should cycle on and off at the same pressures each time. Also check voltage. Many don't realize that there is 208 and 220 volts at different areas and the difference can be enough to cause overheating problems.
__________________
The 47-present Chevrolet and GMC Truck Message Board Network,it's owners,moderators,members,and associates of any type should not be held responsible for my opinion. You can't fix stupid,not even with duct tape. "My appearance is due to the fact that "GOD" does punish you for having too much fun!" Barrett-Jackson has perfected alchemy,they make rust into gold! "You can lead a horse to water but you can't saddle a duck" "Cleverly disguised as a 'Responsible Adult' "Sometimes your Knight in shining armor is just a retard in tinfoil" |
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02-17-2015, 11:11 PM
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#5 |
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Registered User
Join Date: Nov 2010
Location: Alabama
Posts: 741
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Re: Looking at a used air compressor
Great, thanks
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02-17-2015, 11:59 PM
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#6 |
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Registered User
Join Date: Jun 2013
Location: Somewhere
Posts: 3,123
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Re: Looking at a used air compressor
On compressors look at CFM@Y PSI. This is the part that does the work.
Look at motor RPM, lower is better. 1750RPM 240V is better. |
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