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Thread: 3 WIRE PILOTS

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  1. 10-09-2012, 08:45 AM #1
    Cosmicmuffin
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    3 WIRE PILOTS

    These old systems always cause me "Brain Freeze". Anybody have any good trouble shooting info on them? Have one lites the pilot.,but not the burners.Will run that way for days! Thanks ahead!
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  2. 10-09-2012, 08:48 AM #2
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    BNME8EZ
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    Ussually that is caused by a dirty pilot. The pilot flame doesn't get hot enough to cause the bi-metal strip in the pilot to warp. If a good cleaning doesn't do it, replace it.
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  3. 10-09-2012, 10:37 AM #3
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    Mr Bill
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    Quote Originally Posted by kls-ccc View Post
    Usually that is caused by a dirty pilot. The pilot flame doesn't get hot enough to cause the bi-metal strip in the pilot to warp. If a good cleaning doesn't do it, replace it.
    +1
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  4. 10-09-2012, 11:15 AM #4
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    Quote Originally Posted by Cosmicmuffin View Post
    These old systems always cause me "Brain Freeze". Anybody have any good trouble shooting info on them? Have one lites the pilot.,but not the burners.Will run that way for days! Thanks ahead!
    Agree with the others.

    If you want more info on how these pilots work, to help in troubleshooting, send me an email (address is in my profile).
    Instead of learning the tricks of the trade, learn the trade.
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  5. 10-09-2012, 12:43 PM #5
    fordrules
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    Just had a dirty one saturday night. Cleaned her out, worked fine after that. If you need to replace it, go with oem. I got burnt once by non oem, never again.
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  6. 10-09-2012, 02:09 PM #6
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    Kevin Weaver
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    Here is a helpful hint.

    After the pilot lights from the spark, unplug it and you can jump the yellow and white wire to test it. The gas valve should then open up. This is ONLY a TEST
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  7. 10-09-2012, 03:00 PM #7
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  8. 10-09-2012, 09:31 PM #8
    Cosmicmuffin
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    Thanks guys.,brain thawed out.,went back cleaned pilot orfice ,now work'n fine!
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  9. 10-09-2012, 11:22 PM #9
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    there is some good info on this site with links.

    I made a pilot/gas valve device to test each with help from this site.
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