Flame passes heating grid
SOURCE: Kenmore gas stove. Oven burns big flame which soots
The manifold needs to be cleaned and adjusted could have rust etc in it Not a good thing to do yourself unless you know what you are doing
SOURCE: King kooker will not burn a blue flame, only a big yellow sooty
You may need to resize the orifice, sounds to me like it is too big. If you have an adjustable orifice try tightening it down a quarter turn at a time till that flame turn pretty. Leave that shutter wide open till you start getting a blue flame. Make sure you have no cob webs blocking the orifice.Blow out and remove all rust from the burner.
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SOURCE: Pilot is lit for 30 secs but when I turn the knob for the big fla
You have a white scale buildup in the gas valve outlet blocking the main gas flow. Take the valve apart and clean it.
SOURCE: Dryer wont heat
It's likely one of the coils is opening a break in the coil as the coil heats up. This coil will shrink when cool and be able to run again. The number for the coil kit, which will replace ALL the coils, for your machine is 279834.
Disconnect power and turn off gas before working on this dryer. Working on gas dryers is not recommended for people who are not professionals.
Disconnect Power. Lift Cover on lint filter. Remove two Phillips screws taking care NOT to allow them to fall into the blower housing. Place putty knife in the seam between the top and front panel about 2” in from either side. Push in on clip while pulling control panel forward and tilting putty knife handle up, all at the same time. Same on opposite side. Raise top all the way.
Looking down inside dryer on left and right see a 5/16” hex head screw about 6 inches down. Remove each side while holding front panel in place. Pull top of front panel about 3 inches forward from sides and then pull up. This will disengage the front panel from lower pressure clips and allow you to turn it sideways and expose the dryer interior. Take careful note of belt configuration BEFORE removing it. Draw a diagram of its travel.
Motor and idler pulley for dyer will be on right. Gas components will be on left. Replace All coils with Kit Number listed above. Take care not to touch or hit the ignitor or you will be replacing it also. It is VERY brittle.
Service on gas appliances should be undertaken by professionals only due to the danger of gas leakage which can cause fires or death by asphyxiation.
Reverse process to re-assemble.
SOURCE: How do I clean a flame sensor on a 1993 Lennox
You can sand the flame sensor but it sounds like another problem. Sounds like a limit switch or something in the control circuit, You need to have a service tech look at this. Ask for free estimate on repair. I have worked on hundreds of these units and they are sometimes tricky to work on. Lenox has come up with new controls for the whisper heat furnace to replace the old ones. If the flame sensor is bad the unit will try to light a few times and lock out and you ahve to kull power to the furnace to reset. If this is whats happening clean the sensor nd you should be ok If not you need help from a service tech.Rus
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