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Interior finish of microwave wearing off

We have a large Sharp microwave. There are small areas in the corners and bottom ''seams'' inside the oven, where the finish is actually worn/chipped off. And it is discolored in other areas...turning gray. There are also gray drip-like streaks coming down from the area where the interior ceiling meets the interior walls...and these streaks do not come off with cleaning.
Is it safe to continue using this microwave?

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Posted on Jan 02, 2017

SolutionGuy
  • 331 Answers

SOURCE: Replacing the interior lamp inside the microwave on the top.

Yes, Bobby, it can be done. Before you begin, though, go to Home Depot and look in the tool department. There, ask for a "Husky Pro #66604". It's a 1/4" and 5/16" drive 90 degree ratchet that's about 4 inches long. While you're there, pick up a #2 1/4" drive phillips screwdriver bit. You'll use both of these to do the light. Both for about $12. UNPLUG YOUR MICROWAVE! Stand on a small ladder in front of the Microwave (MW), remove the 2 screws that hold the vent louver in place and remove the louver. You'll now see a black plastic grill (just above the door handle)remove the 2 screws with your new tools and remove the grill and the metal box that covers the relay. Now remove the 2 screws holding the horizontal metal panel that the box was sitting on. Now gently lift that panel up, (don't try to remove it) and you'll see the lamp. It's the one with 2 white wires going to it and a shiny metal cover over it. Place your index finger on the back of the cover of the lamp and gently pull toward you and lift at the same time. This will release the catch and allow you to pull it all the way out to get to the lamp. There ya go! Simple!

Posted on Jul 30, 2007

MicrowaveSvc
  • 9047 Answers

SOURCE: Microwave Oven Interior Paint

Yes, but if this is not fixed, it may flake off and get in your food, or allow grease or food particles to build up on the surface.

 

The loose paint should really be sanded off, at least.

 

Then when it's clean and dry, you can apply a little high-temperature appliance paint, available from department stores, home improvement centers, and appliance parts stores.

Posted on Oct 12, 2007

MicrowaveSvc
  • 9047 Answers

SOURCE: interior cardboard/foil piece fell off revealing small chamber inside oven--still safe?

This is the mica or plastic waveguide cover. It protects the waveguide and magnetron form grease and food particles.

Assuming you're going to scrap the unit, carefully clean the area around the outside of opening (watch for sharp edges) with a lightly damp soft cloth.

Then use alcohol or a hair dryer, etc. to be sure the area is dry.

Then you can use a couple of strips of clear packing tape to cover the opening and trim it with a razor blade so only about 1/4" or so extends out from the opening.

Note that I only recommend this procedure on an oven that is going to be scrapped. If the oven will see continued use, a new waveguide cover should be purchased.

We're happy to help you with free advice and we'd appreciate your thoughtful rating of our answer.

Posted on Oct 24, 2008

MicrowaveSvc
  • 9047 Answers

SOURCE: inside finish is peeling off

No, if the cavity metal of the oven is chipped or charred, it will have to be sanded smooth and clean and dried thoroughly.

Then you can apply some high-temperature appliance paint, available from places like Wal-Mart, Lowe's or Builder's Square.

Otherwise, you can have rust and arcing, which can be messy.

We're happy to help you with free advice and we'd appreciate your thoughtful rating of our answer.

Posted on Nov 23, 2008

rickzilla
  • 706 Answers

SOURCE: Is my dented microwave safe to use?

Hello carillon553,
If you haven't compromised the door opening or inner compartment, then it is more than likely OK to use. The magnetron ( which generated the microwave energy ) has a waveguide that focuses that energu into the cooking compartment and a small dent to the cabinet normally has no impact on its safety.. Hope that helps..
If you are overly concerned with that, then you would need a technician that has an RF Power Meter to check it.. If it were me, and the dent was small.. I would just use it...
Regards,
Rick

Posted on Dec 13, 2008

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