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#1
Posted to alt.home.repair,pdaxs.services.appliance
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Gas oven temperature control problem
I'm not really sure this is thermostat problem. This range is O'Keefe
and Merritt and is probably from the 50's. I've recalibrated the oven thermostat many times, probably every 2 years or so since I started using it almost 25 years ago. You pull off the oven knob and there's a screwdriver adjustment for the calibration. A few little twists and some patience and I've always managed to get it working right again. It used to take around 10 minutes for the oven to go from room temperature to around 350 F. Now, for some reason it's just not the oven it was. It takes about 15 minutes or more to reach 350. After calibrating it very patiently, the best performance I'm getting is this: I set it at 350 and after 10-12 minutes the gas turns off, obviously due to the thermostat action. But it's not even 300 then. However, not touching the knob, some 10-15 minutes later the oven is 350 - 375. I'm pretty sure if I leave it on longer, it will get up to 400. Years ago, a few times I had problems because the gas jet (where the gas meets the air and the flame comes off) was evidently clogged and the oven would stall before reaching the set temperature because the flame hadn't reached all the way around the oval gas jet. I resolved that by running a brush over the gas jet (when cold). However, I checked recently and the gas is all the way around, so I don't know why it's taking so long to reach the set temperature. Is there anything I can do for this? Is this a thermostat problem? Do I want to look for a replacement thermostat? There's a used appliance store nearby and I could probably get something from them, but wonder if it would be the right part. I suppose I could bring mine to the place for comparison. Maybe I can get a part number off mine. Or can I order one? Thanks for any information or suggestions. Dan |
#2
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Gas oven temperature control problem
On Wed, 25 Apr 2007 18:01:42 GMT, Dan_Musicant wrote:
:I'm not really sure this is thermostat problem. This range is O'Keefe :and Merritt and is probably from the 50's. I've recalibrated the oven :thermostat many times, probably every 2 years or so since I started :using it almost 25 years ago. You pull off the oven knob and there's a :screwdriver adjustment for the calibration. A few little twists and some atience and I've always managed to get it working right again. : :It used to take around 10 minutes for the oven to go from room :temperature to around 350 F. Now, for some reason it's just not the oven :it was. It takes about 15 minutes or more to reach 350. : :After calibrating it very patiently, the best performance I'm getting is :this: : :I set it at 350 and after 10-12 minutes the gas turns off, obviously due :to the thermostat action. But it's not even 300 then. However, not :touching the knob, some 10-15 minutes later the oven is 350 - 375. I'm retty sure if I leave it on longer, it will get up to 400. : :Years ago, a few times I had problems because the gas jet (where the gas :meets the air and the flame comes off) was evidently clogged and the ven would stall before reaching the set temperature because the flame :hadn't reached all the way around the oval gas jet. I resolved that by :running a brush over the gas jet (when cold). However, I checked :recently and the gas is all the way around, so I don't know why it's :taking so long to reach the set temperature. : :Is there anything I can do for this? Is this a thermostat problem? Do I :want to look for a replacement thermostat? There's a used appliance :store nearby and I could probably get something from them, but wonder if :it would be the right part. I suppose I could bring mine to the place :for comparison. Maybe I can get a part number off mine. Or can I order ne? Thanks for any information or suggestions. : an Here's a picture of the control: http://fox302.com/userdata/Muse/file...djustments.jpg I've always adjusted that center adjustment with a thin screwdriver, the one in the very center of the picture. When I got that exactly right, the oven would stay at the temperature indicated by the knob, which fit on the center shaft. Does anyone know what the "STAND-BY" and "HTR" adjustment screws are about? I've never adjusted them because I have no idea what they might do. I also don't know what that writing on the lower left is about, where it says "ADJUST HEAT MOTOR". The arrow there points to a hole, but I don't see anything inside that hole to adjust. Can anyone demystify these adjustments for me? Can I improve the oven's operations with these adjustments? Are they all associated with the thermostat? Do I need a new (or working used) thermostat to get the oven working OK again? Thanks! Dan |
#3
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Gas oven temperature control problem
replying to Dan_Musicant, Alana Leighton wrote:
Which direction do I turn to calibrate oven to be hotter -- for full context, visit https://www.homeownershub.com/mainte...em-212394-.htm |
#4
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Gas oven temperature control problem
On 11/24/2018 4:14 PM, Alana Leighton wrote:
replying to Dan_Musicant, Alana Leighton wrote: Which direction do I turn to calibrate oven to be hotter The direction that makes it turn on if barely adjusted to turn off on the main control. |
#5
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Gas oven temperature control problem
On Saturday, November 24, 2018 at 7:14:05 PM UTC-5, Alana Leighton wrote:
replying to Dan_Musicant, Alana Leighton wrote: Which direction do I turn to calibrate oven to be hotter -- for full context, visit https://www.homeownershub.com/mainte...em-212394-.htm You should turn so you're facing northeast. |
#6
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Gas oven temperature control problem
trader_4 posted for all of us...
On Saturday, November 24, 2018 at 7:14:05 PM UTC-5, Alana Leighton wrote: replying to Dan_Musicant, Alana Leighton wrote: Which direction do I turn to calibrate oven to be hotter -- for full context, visit https://www.homeownershub.com/mainte...em-212394-.htm You should turn so you're facing northeast. Good one. I thought it was 62.75 deg true north. -- Tekkie |
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