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Air Compressors

Posted: Wed Nov 16, 2005 7:06 am
by barch97
I've been trying to find someone to blow out my lawn sprinkler lines and it seems for about the price of having this done two-three times I could instead buy a decent compressor and do it myself. plus the added advantage of having a compressor for all sorts of other general home garage needs.

The trouble here is that I have never owned a compressor and have no idea what I'm looking for or what I need. What's too big? What's too small?

This Craftsman seems about right to me. 15gal/3hp/150psi/$200

But, again I really don't know. I know a lot of you guys have A LOT more experience in this are than I. Any advice here would be fantastic.

Thanks in advance :D

Posted: Wed Nov 16, 2005 7:20 am
by gocntry
Man I Wish I Could Help Ya Barch, But I Know Nothing About These New Compressors....Mine Was Built In 1963. So As You Can See I'm Way Behind The Times. 8)

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Posted: Wed Nov 16, 2005 7:29 am
by Walt
wow.....

Posted: Wed Nov 16, 2005 8:01 am
by barch97
gocntry wrote:Man I Wish I Could Help Ya Barch, But I Know Nothing About These New Compressors....Mine Was Built In 1963. So As You Can See I'm Way Behind The Times. 8)
This is exactly my point. Most people that I know that have compressors have had them forever. How do I know which one ot buy that's going to last 30+ years? Or is that pretty common?

Posted: Wed Nov 16, 2005 8:44 am
by gocntry
barch97 wrote:
gocntry wrote:Man I Wish I Could Help Ya Barch, But I Know Nothing About These New Compressors....Mine Was Built In 1963. So As You Can See I'm Way Behind The Times. 8)
This is exactly my point. Most people that I know that have compressors have had them forever. How do I know which one ot buy that's going to last 30+ years? Or is that pretty common?
The 1 Point All The Guys I Know Tell Me Is Stay Away From The Oil less Compressors, Get One Where You Can Change The Oil In It. Mine Came Out Of A Local County School System My Dad Used To Work For. They Upgraded All Their Equipment And This Was To Get Thrown Out :shock:
So My Dad Nabbed It For Me, I Bet I've Had It For 15 Years Or So Now and I've Never Had A Problem With It Yet :D And I Could Bet It Didnt Have Any Easy Life In The School System. The One Drawback Is You Can't Just Pick This Up And Wheel It Around Like The Newer Ones, Last Time I Moved It Me & A Buddy Took It Apart So The Tank - Pump - And Motor Were All Seperate So We Didnt Break Our Backs Trying To Load/Unload It.

Posted: Wed Nov 16, 2005 8:55 am
by Walt
A friend of mine just got a craftsman. It's an upright (vertical standing tank w/ motor on top). He paid around $300 for his. It's fairly large. I'll ask him what the model tonight.

Posted: Wed Nov 16, 2005 5:11 pm
by 24digger
If you have a large shop vac with the reversible hose you could use that to blow out the lines. Thats what I use to blow out our pool lines.

Posted: Wed Nov 16, 2005 6:19 pm
by F9K9
24digger wrote:If you have a large shop vac with the reversible hose you could use that to blow out the lines. Thats what I use to blow out our pool lines.
barch97 wrote:I've been trying to find someone to blow out my lawn sprinkler lines,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,

And I thought I was having a rough life :roflmao:

Posted: Thu Nov 17, 2005 6:01 am
by Pauleo
I have a little 5 gallon pancake compressor by Bostitch. It works well for running a finish nailer and would do an OK job of running a framing gun. I use it for small stuff though. And I really wanting something that was portable. As a garage compressor, forget it. It'll air up a tire or your kids football but it won't run an impact wrench or anything like that.

My suggestion would be to go to Sears or Home Depot or somewhere and look at the specs of the air tools you think you would want to run. The tools will have specs on them to let you know what size compressor you need for that specific tool. Gather all that info and try to find one that meets all of those specs but retains some portability.

The one that I have was a gift so that's why I didn't do it that way.

Posted: Thu Nov 17, 2005 7:47 am
by barch97
Thanks, Pauleo. very helpful advice. this part in particular:
Pauleo wrote:My suggestion would be to go to Sears or Home Depot or somewhere and look at the specs of the air tools you think you would want to run. The tools will have specs on them to let you know what size compressor you need for that specific tool.
I was not aware of that at all.

Posted: Thu Nov 17, 2005 9:21 am
by barch97
hmm...

I've been doing a little more research on this and every place I see instructions on blowing out sprinkler lines, they start off by saying "this is NOT a do it yourself project." apparently this takes more air than a typical home compressor can generate and if done incorrectly will cause severe damage to the sprinkler system.

Maybe that $75 for a pro isn't such a bad idea.

Posted: Thu Nov 17, 2005 11:48 am
by 04crewvt
Here you go Just find yourself one of these. Got this one from a former employers rental property. It was used to pressurize a 4 story buildings steam radiator valve system.
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Sorry the images are so small larger ones in gallery
http://www.s-10crewcab.com/coppermine/d ... 0117&pos=0
http://www.s-10crewcab.com/coppermine/d ... 0117&pos=1

Posted: Thu Nov 17, 2005 12:00 pm
by Pauleo
barch97 wrote:Thanks, Pauleo. very helpful advice. this part in particular:
Pauleo wrote:My suggestion would be to go to Sears or Home Depot or somewhere and look at the specs of the air tools you think you would want to run. The tools will have specs on them to let you know what size compressor you need for that specific tool.
I was not aware of that at all.
Yep! No problem. :thumb: