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Oil Field Engines & Related Equipment

Myric Eclipse problems


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  #1  
Old 08-05-2014, 10:06:05 PM
D Davis D Davis is offline
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Default Myric Eclipse problems

I am having a problem with the starting of this engine . The problem is when I roll it over to start it is blowing flames out the intake . I have the hot tube a dull cherry red . I am not sure if I am getting to much gas or not . It has the proper gas vale on it . I am just missing something . Any help would be great . Thank You all .
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Old 08-06-2014, 06:42:11 AM
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Brian Lynch Brian Lynch is offline
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Default Re: Myric Eclipse problems

Sounds like your intake valve is leaking a bit. As you know, the intake valve chest is also the fuel mixer. I would take that off and examine the seat areas of the valve and mixer. When it is closed it has to seal off the fuel distribution holes that are drilled in the seat surface. Careful work with some valve grinding compound and blueing will get things in shape. Make sure the valve guide is not sloppy worn out or you wont be able to get things to seal. After you get a good seal make sure you clean all of the compound out of the mixer body.
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Old 08-06-2014, 08:46:49 AM
DieselAddicted DieselAddicted is offline
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Default Re: Myric Eclipse problems

Beside what Brian suggested if your regulator is leaking bye gas pressure can build and force the valve off the seat. I would check both. If you pull the engine over slowly can you hear leakage past the valve?
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Old 08-06-2014, 09:57:12 PM
D Davis D Davis is offline
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Default Re: Myric Eclipse problems

Ok thank you all .I will lap the valves and see what happens . thank you all
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Old 08-06-2014, 11:57:42 PM
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Jonah Close Jonah Close is offline
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Default Re: Myric Eclipse problems

The seat on those Myrick intakes are somewhat tricky to seat properly. If you have access to a valve and a seat grinder then I would have them ground and then lap it in with fine lapping compound for a guaranteed seal. Make sure the guid aint wore either because that could affect a good seating and if so, ream it to the next size, sleeve it to fit the old valve or have a new valve made with an oversize stem.

Good luck and hope you get 'er running!
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Old 08-10-2014, 09:04:20 PM
D Davis D Davis is offline
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Default Re: Myric Eclipse problems

Ok all we have had the valves done . Now when I roll it over it sucks the flame out of the hot tube ,so I have cleaned the burner , and now I am going to pull the hot tube out and clean it and see what happens .
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Old 08-11-2014, 06:45:25 AM
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Default Re: Myric Eclipse problems

You are running the factory single feed set up with Myrick regulator and diamond valve I assume? Three ways to fix that. You can split feed it buy running full tank pressure to the hot tube and regulated pressure to the Myrick regulator. If you wish to retain the factory set up you can try placing an accumulator tank in the feed line after the tank regulator. This is how I fixed mine. You could also change the tank regulator to a higher volume unit.
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