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spro2395

Hudson Fl

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Posted: 02/21/12 05:31am Link  |  Print  |  Notify Moderator

Hi All
The Dometic refrigerator in our 5th wheel is acting up. When we have it on electric it's nice and cold but when we need to travel and it switches to gas it gets warm. The burner lights ok but it's like the flame is not hot enough to make the chemical reaction.


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dougrainer

Carrolton, Texas

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Posted: 02/21/12 06:30am Link  |  Print  |  Notify Moderator

1. Clean the burner
2. Verify CORRECT LP pressure at the refer (11.5 inches w/c) Doug

pkunk

Questa, NM

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Posted: 02/21/12 09:30am Link  |  Print  |  Notify Moderator

spro2395 wrote:

Hi All
The Dometic refrigerator in our 5th wheel is acting up. When we have it on electric it's nice and cold but when we need to travel and it switches to gas it gets warm. The burner lights ok but it's like the flame is not hot enough to make the chemical reaction.

You need to clean the burner orfice. Flame should be larger. See


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spro2395

Hudson Fl

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Posted: 02/21/12 12:11pm Link  |  Print  |  Notify Moderator

How do you check the LP pressure?

Old-Biscuit

Verde Valley

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Posted: 02/21/12 12:24pm Link  |  Print  |  Notify Moderator

spro2395 wrote:

How do you check the LP pressure?

With a U-Tube Manometer (or a dial-type manometer that has been calibrated).

Short of having a manometer......pay a tech.

I'd clean burner & orifice first. If other gas appliances are working then LP pressure is OK

JC2

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Posted: 02/21/12 12:28pm Link  |  Print  |  Notify Moderator

http://www.rverscorner.com/manometer.html
This link will explain what it is and how to make one. I would try what oldbiscuit suggested first.


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pkunk

Questa, NM

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Posted: 02/21/12 05:11pm Link  |  Print  |  Notify Moderator

spro2395 wrote:

How do you check the LP pressure?
It is most likely a dirty orfice.

spro2395

Hudson Fl

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Posted: 02/21/12 05:29pm Link  |  Print  |  Notify Moderator

Some of the reading I
've done suggest using an air compressor
to blow out the burner area to remove rust and soot from the flue. Does this sound like a good place to start? The gas stove and oven worked fine last week when we camped at FDR in Georgia!

pkunk

Questa, NM

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Posted: 02/22/12 11:24am Link  |  Print  |  Notify Moderator

spro2395 wrote:

Some of the reading I
've done suggest using an air compressor
to blow out the burner area to remove rust and soot from the flue. Does this sound like a good place to start? The gas stove and oven worked fine last week when we camped at FDR in Georgia!

You need to remove the orifice, soak it in acetone, and blow it out gently in reverse direction of gas flow. It is a ruby with a very small hole-do not try to stick anything through it

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