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lamp removal trick?

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  • #1

    lamp removal trick?

    I have acquired a Kustom 72 coupe amp with a burnt out lamp. I can unscrew the jewel, but not the bulb. It's not springy when I push down on it, so I'm thinking it just unscrews. The problem is that I can't get a hold of it tight enough to turn it. I'm considering breaking the bulb and sticking a screw driver in there. Anyone have a better idea?

    Thanks
    Vote like your future depends on it.
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  • #2
    I use a sort piece of soft tubing as a tool in these situations. Sometime even just use a piece of PVC jacket off of a power cord or other such thing. You can even add a drip of super glue to increase the grip of the tubing on the glass.

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    • #3
      I'm always saving cable jacket pieces, in a wide variety of sizes as they come in quite handy. My 'lamp tool' is also a thin PVC jacket from some cable, and does just fit between the bulb's dia and the id of the holder. I've never tried the super glue trick.
      Logic is an organized way of going wrong with confidence

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      • #4
        Most T-47 bulbs are A LOT tougher than you might think. I really don't want that comment to result in a broken glass, cut finger event though. So use the tubing trick suggested. I might be tempted to put some surgical tubing over the jaws of some needle nose pliers and gently rotate back and forth until the gristle lets go. These old amps!?! Always reinventing the job.
        "Take two placebos, works twice as well." Enzo

        "Now get off my lawn with your silicooties and boom-chucka speakers and computers masquerading as amplifiers" Justin Thomas

        "If you're not interested in opinions and the experience of others, why even start a thread?
        You can't just expect consent." Helmholtz

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        • #5
          Funny timing -- yesterday I was changing out a T8 bulb that had burned out and I got a NASTY finger cut.

          It was on an electronic ballast, one of those dumb circuits where it keeps trying to re-fire the lamp forever until it practically melts the electrode. When I tried gently rotating the lamp to remove it from the fixture it shattered/exploded giving me one nasty cut on my thumb. Evidently that ongoing attempt to re-fire the lamp got that electrode so hot that the glass around it became brittle.
          "Stand back, I'm holding a calculator." - chinrest

          "I happen to have an original 1955 Stratocaster! The neck and body have been replaced with top quality Warmoth parts, I upgraded the hardware and put in custom, hand wound pickups. It's fabulous. There's nothing like that vintage tone or owning an original." - Chuck H

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          • #6
            I knew you guys would have some good advice. I'll look for some appropriate tubing tomorrow.

            Thanks
            Vote like your future depends on it.

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            • #7
              Heat shrink tubing! Easy peasyClick image for larger version Name: IMG_20171220_214625.jpg Views: 1 Size: 371.9 KB ID: 848012
              Vote like your future depends on it.

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              • #8
                Hell, you could even shrink the other end to a screwdriver. Then, you'd have a handle!
                "I took a photo of my ohm meter... It didn't help." Enzo 8/20/22

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