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Old 11-28-2009, 12:27 PM   #1
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1952 21' Flying Cloud
1982 31' Excella
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Nothing getting through the Pilot jet

Looking for some experienced info on the pilot light jet. I am trying to get my Suburban NT 17 to fire up. when I took it out it looks like it hasn't been used much in its 39 years. I hooked the pilot jet up to a vacume pump and it will just sit steady at 60 lbs. I can't even see where a hole would be for the gas to get through. Does any one know if these are replaceable or if they can be cleaned?
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Old 11-28-2009, 02:45 PM   #2
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How about a picture of your vacuum pump set up and the orifice. It odd that you are seeing 60 pounds when vacuum is measured in inches and is maxed out at 30 inches.
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Old 11-28-2009, 06:18 PM   #3
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Those orifices have a couple of holes in them too small to clean. In the past I have been able to get the from my local heating repair person so they must be fairly common.
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Old 11-28-2009, 08:45 PM   #4
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Originally Posted by wander'n View Post
Looking for some experienced info on the pilot light jet. I am trying to get my Suburban NT 17 to fire up. when I took it out it looks like it hasn't been used much in its 39 years. I hooked the pilot jet up to a vacume pump and it will just sit steady at 60 lbs. I can't even see where a hole would be for the gas to get through. Does any one know if these are replaceable or if they can be cleaned?
Soak the orifice in "Lime away" for a couple of days.

Or, place it in a "ultrasonic" jewelry cleaner for a few minutes.

Andy
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Old 11-28-2009, 09:40 PM   #5
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Thanks for the replies. I used an inexpensive vacuum tool for bleeding brakes and testing vacuum hoses. I pumped it up to 60 and it stayed. Rick, I looked all over, they must be real small holes.
Andy Im going to snatch my wifes jewlery cleaner when she's not looking and try that. Can't find a repair shop open till Mon. anyway.
Let you know.
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Old 11-29-2009, 04:37 PM   #6
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Andy that was BRILLIANT!! Have a Bartles and James on me. Took about 30 min. in there and now I can see the 2 holes. I'm going to put it together and test.
Thanks!!!
Brian
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Old 11-29-2009, 05:23 PM   #7
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Andy that was BRILLIANT!! Have a Bartles and James on me. Took about 30 min. in there and now I can see the 2 holes. I'm going to put it together and test.
Thanks!!!
Brian
Your welcome.

Many fixes for Airstream problems are simple.

Then we read the instructions, and mess it up.

The bottom line however, did it fix the furnace problem, or at least that one?

Did you let the wife know how you fixed it?

Andy
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Old 11-29-2009, 11:20 PM   #8
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Christmas shopping interupted getting it all back in. I did get the lines back together and tested it using a can of butane and it lit right up. Next I want to get some high temp chaulking to seal the chamber before loading it back in.
Michele doesn't need to know how I fixed it.
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