Compressor Cutting Out

 
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Old 10-18-2017, 04:35 PM   #1
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Compressor Cutting Out


I have a Ingersoll c185 diesel. When I crank it, it runs fine, but once I turn up the psi it cuts out. What could be the problem/solution?
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Old 10-18-2017, 04:48 PM   #2
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Re: Compressor Cutting Out


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Originally Posted by ben12345 View Post
I have a Ingersoll c185 diesel. When I crank it, it runs fine, but once I turn up the psi it cuts out. What could be the problem/solution?


What PSI are you turning it up to? When you say turning up the PSI, are you referring to pushing the warm up button to start building air? My compressors have always been set at pressure and never had to turn the pressure up after starting.


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Old 10-19-2017, 02:13 AM   #3
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Re: Compressor Cutting Out


When you start up before trying to build pressure try moving the throttle to rev the engine. If the engine won't rev up I would check the fuel filter first.
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Old 10-19-2017, 08:04 AM   #4
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Re: Compressor Cutting Out


Diesels need to build a little heat before taking on a load. Anyone who drives a diesel truck knows what I'm referring to. Are you letting it warm up a little before applying load?
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Old 10-19-2017, 10:31 AM   #5
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Re: Compressor Cutting Out


Yea once I turn it on I usually let it run for about 5 to 20 minutes then I press the button to run higher psi that's when it cuts out.
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Old 10-19-2017, 10:51 AM   #6
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Re: Compressor Cutting Out


Then Iíd look at replacing your fuel filter. Thatís a typical sign of needing replaced. When was the last time it was changed?


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Old 12-05-2017, 03:17 PM   #7
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Re: Compressor Cutting Out


Since my last post, I have changed the fuel filter. IT still runs fine when it is idling, but once i turn up the rpms it still cuts out. What else could i try?
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Old 12-06-2017, 09:42 PM   #8
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Re: Compressor Cutting Out


Is the compressor new to you? Have you been using this compressor and all of a sudden it quit working? What is the history of the problem?

For a diesel to run you need air, compression and fuel. Diesels are pretty simple. The things that will prevent them from running are:

1) A lack of air such as a clogged air filter, an air line that has collapsed, possibly only discoverable from the inside or other obstruction.
2) Low Compression, but that will usually show up as hard starting and black exhaust due to unburned fuel long before the engine shows your problem.
3) Lack of fuel. It sounds like you have eliminated the fuel filter. The next thing I would look at is the fuel shutoff valve. Make sure it is opening all the way and stays open. It can reduce flow. Then I would look at fuel pump. If it is weak there may not be enough volume or pressure to supply the injector pump at higher rpms. Then look at the injection pump to be sure it is functioning properly. The same thing, if it is worn there will be low pressure and volume at high rpm.

Hopefully this will help you diagnose the problem.

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