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Question about Maytag MMV1153A Microwave Oven

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Antenna I have a Jennair Micro wave model JMC8100ADW This looks similer to MMV1153A. It has an Antenna that you can get to from inside the cavity by opening a cover. I broke the Antenna which was produced by Maytag. Although I bought it in2002 Maytag has stopped manufacturing this part and I can not find one anywhere. So I used super glue to join the non metallic parts and now would like to know how to install it. I can not figure it out by looking at it.

Posted by saibal on

  • saibal Aug 11, 2007

    The part number you provided is not correct. It is 58001197. Its not a dome but a disk. I have installed the Magnetron already. When I opened the inside cover the Antenna came out and broke. Its a disk (item #19 on blowup picture The part is not available. Please tell me how the disk is installed. Which side is out and which is in. Does it just sit there without being attached to any thing else but two clamping holes on the body? Regards

  • saibal Aug 12, 2007

    Thank you for such clear comments. I forgot to get the 20 amp fuse (Magnetron was on my mind) stores are closed. I will give it the first try tomorrow and then let you know the result. Thanks again.
    I will reccomend you all my friends.



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Saibal, microwave repair is a dangerous endeavor if you have not been schooled on them. The antennae you mentioned is part of a larger component, the magnetron. This is a high voltage device (~5000 VAC) and is extremely delicate. Access to it must be from the inside of the cabinet so the unit must be dis-mounted from the wall and placed on a work area. BEFORE PROCEEDING... READ ALL INFORMATION LOCATED HERE!!! THIS WILL COVER THE DANGERS AND SAFETY PROCEDURES. After the unit is on a suitable work area, remove the outer cabinet and set it aside. Now, slow down and visually verify the location of all components... DO NOT TOUCH ANYTHING UNTIL YOU HAVE LOCATED THE HV CAPACITOR!!! After locating the capacitor, follow the instructions listed above to discharge it. Now the magnetron is safe to remove. Remove the wire harness from the magnetron. You will see the 4 fasteners which retain it, remove them and the magnetron will come out. Carefully and gently install the new magnetron and fasten it securely. Reinstall the wire harness to it and rebuild the unit. After installation, test the unit with a cup of water BEFORE reinstalling it. There is a chance that when the magnetron failed, it destroyed the capacitor and/or the HV Diode. If it heats the water, your OK. If not, you'll need the capacitor and diode. I can't stress enough how important it is to follow ALL safety procedures outlined in the link, above! Job time is approx. 2 hours. OK, parts availability... the part number you need is #58001218. I show one available through 1'st Source in Albuquerque, NM. Ph.# (505) 884-0166. List price= $90.98. The gluing technique will NOT work as a repair. The magnetron vibrates at an extremely high frequency and the dome (antennae) will shatter immediately. Please do not perform this repair this way as injury or more damage may be incurred.

Posted on Aug 11, 2007

  • Anonymous Aug 11, 2007

    Sorry for the miscommunication. In repair lingo, the part you are referencing is called a stirrer blade. It's job is to shield microwave emissions from certain areas of the cabinet while simultaneously directing energy into specific areas of the cabinet where the emissions "bounce" harmonically and evenly throughout the cavity enhancing cooking temps evenly (ergo, "stirring" the microwaves). The actual antennae is the dome that protrudes from the magnetron and into the cavity... directly behind the stirrer blade.

    OK, now that we're on the same page... you're right. That blade is NLA. Both sides should have the same reflectivity so it should not matter which side faces the magnetron. You should keep it in the same position as in the pictured link above, however.

    One other thing, I've never repaired a blade in this fashion because they are definitely a critical component to the proper disbursement of microwave energy. (GE microwaves had a rash of mis-engineered blades for a few years. These blades caused a "feedback" of energy directed backwards down the wave guide and at the antennae of the magnetron eventually causing a mag tube failure.) With that being said, I don't know if or for how long the glue will hold up. If it holds indefinitely, it may allow microwaves to pass through the seams of your repair causing other problems (uneven cooking, feed back to the mag tube, arcing, sparking, etc...). I simply don't know.

    Good work on the mag tube replacement, though! Looking for a career in appliance repair? :)



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