How to Loosen Seized Screws

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Topic: How to Loosen Seized Screws (Read 537 times)

NeXe Lights
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Quality Lighting Inc. Design 114-24B

On my QL 114, three of the four screws holding the ballast door in place are completely seized up. The one I was able to get loose with some effort, but the others are completely stuck. Even after applying WD-40, they still won't budge. How do I go about loosening them?

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Baked bagel 11
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Tom

I know heat can help, but be careful with that...

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joseph_125
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Careful application of heat, either with a heat gun or a torch can help. A stronger penetrating oil such as PB Blaster, applied in conjunction with heat will also help.

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NeXe Lights
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Quality Lighting Inc. Design 114-24B

Quote from: Baked bagel 11 on December 17, 2025, 05:38:53 PM

I know heat can help, but be careful with that...

That's the thing I'm worried about, I don't want to apply so much heat that it damages the paint.

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