Sullair 250 . Quit making air.

I was just using my 250 sullair and the engine reved up and it quit making air. Is there a coupler between the engine and the compressor that is a weak point or did I break a shaft ? Or or ??

It didn't make any unusual noise that I heard.

Thanks.

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Jul 04, 2014
Underspeed problem
by: Anonymous

I have a compresor sullair 185 cfm with perkins engine, te compresor star fine but in a few minutes shutdown and flashes " underspeed " what could the problem

Oct 30, 2013
sullair 250 no air
by: Anonymous

i have the same machine with the same problem. runs like it should be building pressure. not a drop of air comes out. is the regulator bad? is the poppet valve bad? please help!!

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SULLAIR AIR COMPRESSOR - it shutdown when we open the outlet air line

by Tarek Hizam
(SAUDI ARABIA)

Sullair Air Compressor Model: 260

Sullair Air Compressor Model: 260

My compressor is Sullair Air Compressor Model: 260
I start on the engine it run fine but when we press the button of the compressor it shutdown when we open the outlet air line from the compressor .

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185 sullair portable engine shuting down

by fred schave
(gillette wy.)

185 sullair portable with john deere engine. will run about 2 minutes and shuts down and flashes engine temp. what could be the problem
_______________________
When you say the compressor flashes engine temperature, I understand this to be their SSAM system – with Shutdown annunciator light for high compressor temperature, high engine coolant temperature, low engine oil pressure and engine underspeed

That being the case, then obviously, the thermal cut out is shutting off the engine to prevent damage due to overheating.

The system is showing you an engine overheat situation, so I would look to the oil levels and I would make sure the coolant is topped up.

Cheers,

Bill




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May 15, 2015
185 sullair w john deere engine
by: Old equipment junkie

Same problem with engine shutting down after 6 to 10 minutes of running. Will not start until several hours and then start up and run about 6 to 10 minutes.
I was told it could be the fuel return line could be blocked and creating the problem.
Any thoughts on this idea

Oct 24, 2012
underspeed code
by: mike

what does it mean when it flashes the underspeed code

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sullair 125 dpq shutdown after running a while

by mens
(algeria)

Old model sullair portable compressor, year 1980.
john deere engine 4024t diesel engine 4 cylinders
185 cfm.
Compressor shutdown after running a while
___________________
Mens, I'm happy to post this to enlist the aid of other Sullair diesel compressors.

There could be many reasons why the compressor shuts down... overheating, fuel starvation etc.

Does it start again after a while, or once it shuts down, that's it?

Cheers,

Bill


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Jun 04, 2012
185 cfm sullair compressor shutting down
by: Mens

Hello Bill,

Thanks for our help.
First, I correct myself, the engine is 4219df John Deere Diesel model.
It restart again after shutting down.

Thanks,
Mens.

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