Question about GE JVM1660 Microwave Oven

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Stovetop lamp sockets very brittle and are disintegrating.

Purchased new GE JMV1660 spacemaker m/w oven from hom depot April 2005. Both bulbs recently burned out. When I removed the original 40w bulbs the glass bulbs they simply twisted off, leaving the metal bases still screwed into the light sockets. The bakelite socket holder insulation crumbles to pieces from the slightest touch. I can remove the metal lamp base but the socket holder insulation is no longer there. Is it safe to replace the bulbs with the insulation missing?
Otherwise the unit has performed very well and is in excellent condition.

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In effect (given the unit is wired correctly) without insulation on the socket, you have an exposed neutral wire in your oven -- this is certainly not as dangerous as an exposed hot wire, but does present risks. I recommend replacing the light sockets -- you'll sleep and cook a lot better.

Posted on Apr 23, 2009


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The only way to ensure that you'll be able to get the entire bulb out, because the only way you can actually SEE what you're doing, is to remove the bottom cover of the microwave. It's about 6 screws along the underneath surface of the unit. After removing the screws, the front of the cover will hang down and the rear will stay nested in a groove at the back. At this point, you'll be able to see the backs of the light sockets. Remove the two screws on either side of the sockets, and you can gently pull the bulbs out of the housing so you can actually see and work with them.

Chances are, the bulbs have been GLUED into the sockets with silicone, which GE says it does to prevent moisture from getting into the sockets. Right. Then why is it that the replacement lamps work just fine without being glued in?! Anyway - GE actually instructs in the manual to "run a knife around the edge of the socket" to break the silicone seal. Hmmm..Sounds safe to me.

So, after you've eliminated the silicone one way or another, just gently unscrew the lamp like you would any other.

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