How 4 months ago
admin #howto

How to Open a Light Bulb

Look at the bottom of the light bulb and identify the small metal solder point. Grab this point firmly using a pair of needle-nose pliers.



Grip the solder point with pliers.

Look at the bottom of the light bulb and identify the small metal solder point. Grab this point firmly using a pair of needle-nose pliers.

Twist and yank out the metal.

Twist the solder point with your pliers until you feel the interior brass break one or more wires connected to the filament. Once the solder point is free, lift it out.__

Crack the glass insulator.

Hold one side of the black glass insulator at the bottom of the bulb with your pliers. Twist it up to snap the glass apart.__

Remove all broken bits of insulator.

Use tweezers to clean away any black insulator glass from the socket of the bulb.__

Snap away the interior fill tube.

Insert a flathead screwdriver into the bottom of the light bulb, next to one side of the interior tube. Press the screwdriver against the side of the tube to break it free.__

Remove the tube.

Slide the screwdriver around the sides of the tube to break it completely free, then lift it out with tweezers or pliers.__

Remove the tungsten wire.

Gently shake the rest of the filament assembly out of the bulb and onto your work surface.__

Break and remove any final bits of glass.

If there are any small bits of glass remaining around the interior edge of the bulb, carefully break them off with the screwdriver.__

Ask yourself if this is necessary.

For most projects, you can keep the metal socket piece intact. If you only want the actual glass bulb for your project, however, you will need to remove the socket piece before continuing.__

Soak the socket in Muriatic acid.

Place a shallow amount of Muriatic acid in a glass bowl. Rest the attached socket in this acid and let it soak for 24 hours.

Clean off the acid.

After soaking the socket, remove it from the acid and rinse it well under running water.__

Carefully twist off the metal socket.

Hold the bulb firmly with one hand, then slowly twist the socket off the bottom with your other hand.__

Determine if this is necessary.

Insert paper towels into the bulb.

Stuff enough paper towel into the bulb to fill most of it, leaving a long enough "tail" sticking out from the bottom for you to grab.__

Scrub away any powder.

Using the tail of the paper towel, twist it around the interior of the bulb, wiping away the powder in the process.__

Fill the bulb with salt.

If some of the kaolin will not come out, fill the bulb one-quarter to half full with salt.__

Shake the bulb.

Carefully cover the bottom of the bulb and give the entire thing a good shake. The salt should scrub away most of the remaining traces of kaolin.__

Switch back to the paper towels.

If there is any salt or kaolin inside the bulb, use your paper towels to clean it out.__

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