machine shed light protector

INCase · Dec 7, 2022

in machine shed at the farm the 2 lights both have a glass jar protector over the regular type bulb. My wife's grandfather had the lights put in sometime back (I would guess in the late 80's).

I need to change a bulb but cannot figure out how the jar comes off. it looks like the glass has a metal base attached to it that connects to the bulb base attached in the rafters.

I cannot turn the base nor see how it may come apart. not wanting to break it I didn't try too hard as i wasn't sure if threaded or if some kind of 1/2 turn bayonet style.

Anyone come across anything like these? Unfortunately i don't have a picture it.

Thanks.

Bob Bancroft · Dec 7, 2022

Only kind have seen, the jar just unscrews. But you want to have gloves on, in case it decides to break in your hands.

jCarroll · Dec 7, 2022

wore out · Dec 7, 2022

Is this what you have?

The jar should just unscrew. It may be stuck on the rubber gasket or some corrosion on the internal threads in the aluminum holder.

As the other poster said, wear gloves.

FBH44 · Dec 7, 2022

Could it be the push-up then turn-quarter-turn type of light? You might push up slightly and see if it goes.

Steve in IL · Dec 7, 2022

Just in case the glass breaks, how about using one of
those rubber strap oil filter wrenches?

SkipperII · Dec 7, 2022

And safety glasses or face shield.

Bob Bancroft · Dec 7, 2022

Good idea. It might be stuck enough that some leverage could be necessary. And fatigued enough that it's going to break anyhow. My 'one size fits all' strap wrench is made out of seat belt like material.

rustred · Dec 7, 2022

explosion proof, the jar unscrews. remember the old bulk dealers had them in the bulk oil sheds? plus lots of other places. plus the oil rigs too. any place that there was a chance for fire.

Adrian Billheimer · Dec 7, 2022

All good advice, there may also be a small allen head set screw in the outer ring keeping the glass jar from turning, I have them at work.

INCase · Dec 8, 2022

no.

the jar does not look like a regular jar. it is fully rounded so it's technically not a jar I guess. they would probably call it a glass cover/protector.

INCase · Dec 8, 2022

thanks I'll look for that. I won't get a chance to get out there before Saturday.

machine shed light protector

INCase

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Bob Bancroft

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jCarroll

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wore out

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FBH44

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Steve in IL

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SkipperII

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Bob Bancroft

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rustred

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Adrian Billheimer

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INCase

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INCase

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