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Repair bare metal spots

The bottom of my mastercool air conditioner has a couple of bare metal spots. What paint should I use to repair it.

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Lacquer

Posted on May 09, 2009

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Posted on Jan 02, 2017

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Lg combi multiwave


see the troubleshooting section and follow the steps and fix it.
God bless you

Waveguide Cover

If the microwave is sparking or arcing the waveguide cover might be damaged and shorting out. Try removing the waveguide cover and see if the problem goes away. If there are any damaged spots in the microwave ceiling or sidewalls, repair them and paint them with microwave oven paint. Replace the waveguide cover if it is burnt or if it will not stay in place.


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Microwave Oven Paint

If the microwave is sparking or arcing on the side walls the paint might have chipped causing pitting in the metal oven wall. Use microwave safe paint to touch up any bare metal spots.





Rack Support

If the microwave is sparking or arcing near one of the rack supports, remove the support, repaint any bare metal, install a new support.

Sep 30, 2013 | Microwave Ovens

1 Answer

Microwave when turn on making a noise and sparks comin from fan area?


follow this steps and fix it. God bless you

Waveguide Cover




If the microwave is sparking or arcing the waveguide cover might be damaged and shorting out. Try removing the waveguide cover and see if the problem goes away. If there are any damaged spots in the microwave ceiling or sidewalls, repair them and paint them with microwave oven paint. Replace the waveguide cover if it is burnt or if it will not stay in place.

Microwave Oven Paint




If the microwave is sparking or arcing on the side walls the paint might have chipped causing pitting in the metal oven wall. Use microwave safe paint to touch up any bare metal spots.

Rack Support




If the microwave is sparking or arcing near one of the rack supports, remove the support, repaint any bare metal, install a new support.

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Feb 06, 2013 | Turbo Air TMW-1100M Green World 1000 Watt...

1 Answer

I need a manual for my mastercool P500A


http://www.retrevo.com/support/Adobeair-P500A-Air-Conditioners-manual/id/20613ag015/t/2/

Click on the download document 2.02mb .. not the big download bottom on the right .
Good luck any detailed problem you have or just want the manual?

Feb 02, 2012 | Mastercool Heating & Cooling

1 Answer

The tank on the mastercool is beginning to rust out. Is there an available fiberglass insert for these tanks, or do we need to use mesh and mold it in place?


I have wondered this myself. The Mastercool has inherent weaknesses in the pan where the metal sides and bottom tray meet. Of course they are not manufactured with a fiberglass tray because they would last too long and therefore reduce profits for replacement coolers. I have found that the bottoms of the pans rarely rust because they are constantly under water, not exposed to the air, and also accumulate a buildup of minerals that actually protect the metal. It seems that water gets in the seams and along with the exposed metal at the waterline, rusts out primarily in the end corners. I know of no fiberglass insert but am currently working on three rusted units by using fiberglass cloth and resin and filling holes with good ol' regular automotive Bondo. I am particularly making sure that it is totally sealed so not water can get past the pan. It will take a year or two to find out if this works.

I have also considered cutting off the old pan and having a local HVAC shop fabricate a new one using stainless steel or aluminum. This might be a little costly but would save time compared to reworking the old one with fiberglass cloth. I have been successful in obtaining used metal including SS sheets from the salvage yard very economically. The cost would be in the simple fabrication of the tray and any welding required to make it watertight. I might try this down the line if the fiberglass retro doesn't work.

May 01, 2011 | Mastercool 67471 Evaporative Cooler Air...

1 Answer

In turning the microwave on this morning, a faint electric sparking was heard. Upon shutting it off and opening the door a burning odor was smelled. I also noticed a burned spot about a quarter inch in...


There is not any power in the door itself. However if the chassis has chipped paint or corrosion the RF from the microwaves magnetron will cause those bare metal areas to reflect the concentrated RF energy and cause sparking.

The only Whirlpool Microwaves that have been recalled, has a model number beginning with XC and had a green sticker on the bottom face area of the chassis where the door closed.

I have often been able to clean and paint the bare metal areas with the correct paint to stop the RF reflection sparks. Using the model number above it is white enamel "appliance paint" that you would use to paint the bare metal areas. A word to the wise.... do not sand outside the area to be painted. Otherwise you re-introduce your current problem post repair.

The model number you passed is missing the very last digit that would be from 0 to 7 (Eight models)

Thanks for choosing FixYa,
Kelly

Feb 21, 2011 | Whirlpool GH5184XPQ Microwave Oven

1 Answer

How do you do small body panel repairs on rust spots?


If it's just surface rust with no holes use a grinder and clean the spot to bare shiny metal. Use some spot putty and completely cover the metal. Then sand it down smooth and put some primer on it. When you sand it down pay close attention to your edges. Sand them into the paint so that you can't feel the difference between the patch and the old paint. After the primer dries use a spray can and paint the spot because primer will absorb water and you will have to do the repair again.
If the spots have small holes in them you should get a can of body fill called "Tiger Hair". It has fiberglass in the compound and will easily fix small holes. Use this before the spot putty and sand it smooth. Then cover that with a thin layer of spot putty to fill any imperfections, primer and paint.
If you have holes bigger than 1/2 inch then you should be able to get small wire mesh patchs at your local auto parts store. These will stick to the bare metal after grinding and you can put your tiger hair over that. This will be a bigger patch. It will need to be about 3 times bigger than the hole you are filling to be relatively unnoticable.
This won't give you a show car but it should keep inspectors off your back. Hope this helps.

Sep 02, 2010 | 2001 Ford Windstar

1 Answer

Need to know the difference between a master cool and a ultra kool


They are pretty must the same design, the Mastercool was made with heavier metal. But Mastercool are no longer being made,,,, so I guess if it's a new one you are looking for,,, Ultra Cool it will be.
Good Luck,
Paul

Mar 25, 2010 | Mastercool 67680 Evaporative Cooler Air...

1 Answer

My husband wants to install a mastercool evaporative cooler in a building that is completely open on one side. We live in AZ.


It will work fine as a spot cooler if he has direct airflow on him, otherwise it wont do much for cooling the building.

Jun 30, 2009 | Mastercool 67680 Evaporative Cooler Air...

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