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Smooth Edward Posted on Apr 09, 2014
Answered by a Fixya Expert

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Frozen locknut holding burner to cooktop

Need to replace cracked electric ignitor on one burner. Locknut holding burner is frozen due to years of heat. How can I loosen it up to remove the burner to get at the electrode?

1 Answer

rayreidblack

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  • Expert 117 Answers
  • Posted on May 11, 2014
rayreidblack
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Joined: Apr 13, 2010
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These frozen nuts can be a real pain, try spraying something like w d 40 or similar over a couple of days before trying to force it, best to get a ring spanner or socket that fits nice and tight.
Good luck. Ray

5 Related Answers

Anonymous

  • 2 Answers
  • Posted on Feb 08, 2008

SOURCE: Jenn-Air Gas Cooktop Model CVGX2423

Just had this problem today on our seven or eight year old Jenn-Air cooktop. When using the front right burner all ignitors would continue to fire until I turned off the burner. The three other burners worked correctly. After trying all the obvious soulutions w/o success I pulled off that burners control knob and the rubber seal which exposed the valve. Their was a bunch of crud in there. I put a small (one inch) paint brush in there and vigorusly loosened all the crud. I then inserted the nozzle of our central vac - which just happened to fit perfectly - and sucked all the stuff out. I repeated the proceedure a couple more times, reassembled the knob and started the burner. Worked just perfectly!!! YMMV. Good luck.

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Steve Allison

  • 5569 Answers
  • Posted on Oct 18, 2008

SOURCE: GE ZGU650 EM1BG Gas Cooktop

On any range I've seen with electronic ignitors, the valves have a position that closes a contact to turn on the ignitor and manually moving the dial to the 'Hi' setting opens the contact again and the ignitor ceases to spark.
You don't mean the ignitors run even when the burners are off, do you?
I'm surprised to read that this has been happening for 'years,' the transformer for the ignitors must be really tough to withstand that and it doesn't sound like an electrode or transformer problem but rather a contact not opening as it should or you not advancing the control past the ignite point.     

jason

  • 905 Answers
  • Posted on Oct 20, 2008

SOURCE: Jenn-Air JDG8430 Ignitor won't stop sparking after burner ignites

when you turn the dial a switch is engaged to start the ignitor , or if there is a sensor(one for the two bottom , one for the two top , it may not be reconizing that they are lit ,or the problem is sticky switch in the the dials, but I believe its a sensor that detects both of those burners that stops the spark

Anonymous

  • 6966 Answers
  • Posted on Nov 11, 2008

SOURCE: Whirlpool electric Cooktop's one burner not heating

Hi,

Initially, it could either be:

  • open heating element (most likely);
  • open temperature limiter (least likely);
  • faulty/loose connection/wiring (a possibility).
Please confirm that it is a Whirlpool RCC3024 Electric Cooktop.

Hope this be of initial help/idea. Pls post back how things turned up or should you need additional information. Good luck and kind regards. Thank you for using FixYa.

Anonymous

  • 221 Answers
  • Posted on Jan 30, 2010

SOURCE: Have a four burner gas GE Profile cooktop. How do

The igniter module is working fine. One of the switches (which are on each valve shaft) is stuck or shorted out. Pull a wire off each one at a time to determine which one is bad. Careful! 120 volts to each wire. Also, this can happen after you spill water into the valve area, if that sounds right, let it dry out.

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Frozen locknut on burner Thermador SGSX365ZS

First I would try heating it up until it is red and then twist it off. If that is not an option for you then I would get a rotary tool (hobby size) with a cutoff wheel and carefully cut into it from the side about halfway through. That will get it.
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Can have below issue.

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Ignitor does not spark on first turn as stated in manual. I have to turn the knob past "lite" before flame comes on.

Is it just one burner knob that does that are all of them? If it is just one then the igniter switch built into the burner knob might be out of alignment or loose. This happens most of the time due to a cracked switch housing(made of plastic). This can also happen if the actual burner knob is cracked and/or loose. If all the burners do this then it is just the way the cooktop works. The best way to get the burners to light is by slowly turning them on until they light and not pay attention to the "light" mark. You might need to turn it just past the "light" mark for the burner to come on.
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you will need to contact your certified local service tech.you might have a distributor problem at yor ignitor box.if the problem is not with your ignitors.
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