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Author Topic:   air compressor going bad, are they easy to fix?
sigtauenus
Gearhead

Posts: 1824
From: Beaufort, SC
Registered: Jun 2000

posted 07-10-2003 12:24 PM     Click Here to See the Profile for sigtauenus   Click Here to Email sigtauenus     Edit/Delete Message   Reply w/Quote
I have a Craftsman 30 gal air compressor, probably about 5 years old now. It started making a vibrating noise a few weeks ago and started to not compress air as fast as it used to. Now it really sucks and I can't even maintain enough flow to paint with.

Any tips? the tank and motor are fine, I think its probably the rings in the compressor piston are shot. Anybody ever just change the compressor before? I'll be contacting Sears to see if they will sell just the compressor piston assembly.

TIA,
Sam

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sigtauenus
Gearhead

Posts: 1824
From: Beaufort, SC
Registered: Jun 2000

posted 07-10-2003 12:49 PM     Click Here to See the Profile for sigtauenus   Click Here to Email sigtauenus     Edit/Delete Message   Reply w/Quote
Ok, its officially toast. I managed to get enough to clean my paint gun but it was making terrible noise and just not making more than about 30 psi.

Does the Sears parts center just sell parts or they have technicians there knowledgable about what they sell. Ie, do I need to figure out what parts I need on my own or can I take the compressor in with me.

Guess I could call and ask myself, but usually somebody here knows an answer faster than I could pick up the phone and call.

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Dave Gibson
Moderator

Posts: 7549
From: Norfolk, Virginia, USA M&M#166 MCA#47921
Registered: Aug 99

posted 07-10-2003 03:40 PM     Click Here to See the Profile for Dave Gibson   Click Here to Email Dave Gibson     Edit/Delete Message   Reply w/Quote
Sam,
You can go to the Sears web site and check out the information there about your compressor. They do have knowledgable persons to answer questions via the phone also.

Dave & Terri

------------------
'65 Mustang Fastback
'02 Explorer XLT
I don't suffer from insanity. I enjoy every minute of it!
We have enough youth, how about a fountain of smart?
Common sense is not so common anymore.

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lyle29464
Gearhead

Posts: 827
From: Mt. Pleasant S.C.
Registered: Mar 2000

posted 07-11-2003 06:03 AM     Click Here to See the Profile for lyle29464   Click Here to Email lyle29464     Edit/Delete Message   Reply w/Quote
they are very ez to fix
only a few bolts will remove the cover and the pistons. take the bad parts to sears and replace them. it's about 5 minutes to take apart same to put back. Bad news is the cost of parts.

be sure to look at the walls for scoring.
when you get it going be ready to manualy shut it off if the regulator does not.
That is what broke mine.
Lyle

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Tbird
Gearhead

Posts: 208
From: USA
Registered: May 2003

posted 07-11-2003 08:27 AM     Click Here to See the Profile for Tbird   Click Here to Email Tbird     Edit/Delete Message   Reply w/Quote
Sounds like you may have broken a reed valve in the head. If it didn't beat up the piston that badly, you can probably get a new head and bolt on it and be okay.

If it is going to cost a lot, I would suggest getting a comple new compressor. Or a totally new unit, but a bigger one.

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sigtauenus
Gearhead

Posts: 1824
From: Beaufort, SC
Registered: Jun 2000

posted 07-11-2003 01:34 PM     Click Here to See the Profile for sigtauenus   Click Here to Email sigtauenus     Edit/Delete Message   Reply w/Quote
quote:
Originally posted by Tbird:
Or a totally new unit, but a bigger one.

YES, BIGGER IS GOOD!! Argh, Argh, Argh.

Thanks for the tips. I pulled up the drawings from sears.com and pulled the cover off, does look simple enough. Sears is about a 40 minute drive, and I don't want to not buy something I need, or replace parts that are still good. Even if I replace the whole compressor assembly, its fairly cheap.

As for the other option, I'm thinking if I go bigger, might as go all the way and get a diesel.

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GTRocks
Gearhead

Posts: 2436
From: Lusby, MD
Registered: Jun 99

posted 07-11-2003 07:45 PM     Click Here to See the Profile for GTRocks   Click Here to Email GTRocks     Edit/Delete Message   Reply w/Quote
quote:
Originally posted by sigtauenus:
YES, BIGGER IS GOOD!! Argh, Argh, Argh.

As for the other option, I'm thinking if I go bigger, might as go all the way and get a diesel.


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sigtauenus
Gearhead

Posts: 1824
From: Beaufort, SC
Registered: Jun 2000

posted 07-12-2003 06:13 PM     Click Here to See the Profile for sigtauenus   Click Here to Email sigtauenus     Edit/Delete Message   Reply w/Quote
You guys where right, it was easy to figure out which parts where bad, new ones fairly cheap and on the way.

THANKS!

Sam

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