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Old 03-21-2017, 05:28 PM
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Uh-Oh. Compressor Not Compressing

My vertical, I believe 2 HP compressor was running with a different sound and now she's not compressing at all.
No air leaking out anywhere when this happened.

Ideas on how to diagnose this?

Hole in the piston?
Some kind of check valve in these things?

It might help if I could get a glimpse of the belt and see if it is still attached, .
Maybe the motor is free wheeling.

Nope, just checked and the motor is spinning the pump.

I need to move a million things to get at it, so thought I'd check with you guys first.

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Old 03-21-2017, 06:28 PM
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Thanks.

I'll pop the head off and take a peak.

Change the oil?
I rarely check the oil, ha....
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Old 04-03-2017, 03:58 PM
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Quote:
Originally Posted by hcompton View Post
check valves have trash in them in most cases this is a quick clean to sort it out.

I would go over it and see how dirty it is inside.

the pistons often last for years and years. But the seals and other parts can take a dive.

Ever changed the oil?

Hope this helps.
If by check valves, you mean reed valves, you be correct.

2 broken.


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Old 04-03-2017, 04:11 PM
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Somebody else in here just had the same problem, Brian Martin maybe...

Surprised to see two broken... was it already acting a little weak? And then just went completely?
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Old 04-03-2017, 04:34 PM
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Quote:
Originally Posted by BuzzLOL View Post
Somebody else in here just had the same problem, Brian Martin maybe...

Surprised to see two broken... was it already acting a little weak? And then just went completely?
Acting fine and then the sound was different when I walked into the garage one day. I wonder how long it was running non stop like that?

I never shut the compressor off.
Well, not never. I turned it off when I went on vacation a couple times.
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Old 04-03-2017, 06:09 PM
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Quote:
Originally Posted by hcompton View Post
Glad to see you found the issue. Should not be hard to get worked out if you have not already. Yes reed valves is the common one way valve and if there broken like that chances are the compressor was not doing well for some time.

Might want to check the motor out. Take the belt off and see how it runs. If it makes noise or whines or hisses a bit. The bearings may have had a bit too much heat. or the brushes have taken a beating both can be fixed if they are worn badly.

If the motor is quiet and only make a smooth electric motor sound its probably fine.
Nah....I have a better system for motor checking.
It spins when I turn on the breaker. Done.

You're talking, like...choke.....cough...sputter....wheeze.......p reventative maintenance....wow.....just wait til it breaks, I say...ha.

I've been slacking off all maintenance and will continue for another year until the house build is done.
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Old 04-26-2017, 06:51 PM
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Question: In the pic of the reeds above, there are two pieces. A thick restrictor and a thin "closer". The restrictor is bent.
I take it the bend part goes up so the thin one can open and it stops against this restrictor?
If it went down, I don't think it will open as it's pressing it closed.
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Old 04-26-2017, 07:26 PM
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That sounds logical to me Pugsy. If it don't fir flip it over...
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Old 04-27-2017, 06:56 PM
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Yep. That was the right way.
My baby is back.

Of course the hose reel has a leak after sitting a month with no pressure....aarrgghhhhh...............ha....

A plug for the parts supplier: https://www.mastertoolrepair.com/
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