Introduzione
This manual provides essential information for the safe and effective use of your Technical Precision Replacement Light Bulb for the Bell & Howell Slide Cube 987. Please read these instructions carefully before installation and retain this manual for future reference.
Descrizione del prodotto
The Technical Precision Replacement Light Bulb is specifically designed as a direct replacement for the original bulb in the Bell & Howell Slide Cube 987. This incandescent bulb operates at 120 Volts and has a wattage of 300 Watts. It features a glass material construction and is supplied as a single unit per sale.

Image: Technical Precision Replacement Light Bulb. This image shows the bulb with its reflective backing and clear glass front, revealing the coiled filament inside. The base of the bulb, with its electrical contacts, is visible on the right.
Specifiche
| Attributo | Dettaglio |
|---|---|
| Marca | Precisione tecnica |
| Numero di modello | SLIDE CUBE 987 |
| Quantità del pacchetto dell'articolo | 1 |
| Forma | Cube (referring to the original projector model) |
| Materiale | Bicchiere |
| Voltage | 120 Volt |
| Cosatage | 300 Watt |
Configurazione e installazione
Replacing a light bulb, especially in electronic equipment like a slide projector, requires careful attention to safety and proper procedure. Always ensure the device is completely powered off and unplugged before beginning installation.
- Spegnere e scollegare: Before attempting any installation, ensure the Bell & Howell Slide Cube 987 projector is turned off and completely unplugged from the electrical outlet. This is crucial to prevent electrical shock.
- Consenti raffreddamento: If the previous bulb was recently in use, allow sufficient time for it to cool down completely. Light bulbs can become extremely hot and cause burns.
- Accesso al vano lampadina: Refer to your Bell & Howell Slide Cube 987 projector's original manual for instructions on how to safely open and access the bulb compartment. This usually involves opening a specific panel or cover.
- Rimuovere la vecchia lampadina: Carefully remove the old bulb. Depending on the design, this may involve twisting, pulling, or releasing a clip. Handle the old bulb by its base if possible, especially if it is broken or hot. Dispose of old bulbs according to local regulations.
- Installare una nuova lampadina: Gently insert the Technical Precision replacement bulb into the socket. Ensure the pins or base align correctly with the projector's socket. Do not force the bulb into place. Avoid touching the glass part of the new bulb directly with bare hands, as oils from your skin can create hot spots and reduce bulb life. Use a clean cloth or gloves if necessary.
- Scomparto sicuro: Once the new bulb is securely in place, close and secure the bulb compartment cover or panel according to the projector's design.
- Test: Plug the projector back into the electrical outlet and turn it on to test the new bulb.
Operazione
Once the Technical Precision Replacement Light Bulb is correctly installed in your Bell & Howell Slide Cube 987 projector, its operation is controlled by the projector's power switch. Simply turn on the projector as you normally would, and the bulb will illuminate, providing the necessary light for projecting slides.
Manutenzione
- Pulizia: Periodically, and always when the projector is unplugged and cool, you may gently wipe the exterior of the bulb with a soft, dry, lint-free cloth to remove dust or smudges. Do not use liquid cleaners directly on the bulb.
- Gestione: Always handle the bulb by its base or reflector, avoiding direct contact with the glass envelope.
- Sostituzione: Replace the bulb when it burns out or if its light output significantly diminishes. Follow the installation steps outlined above for replacement.
Risoluzione dei problemi
If the replacement bulb does not function as expected, consider the following common issues:
- La lampadina non si accende:
- Ensure the projector is properly plugged into a working electrical outlet.
- Verify that the projector's power switch is in the "ON" position.
- Check if the bulb is securely seated in its socket. Re-seat it if necessary, ensuring power is off first.
- Inspect the bulb for any visible damage (e.g., broken filament). If damaged, replace the bulb.
- Confirm that the projector's internal fuse (if applicable) is not blown. Consult the projector's original manual.
- Bulb Flickers or Dims:
- Ensure the bulb is fully inserted and making good contact with the socket.
- Check for stable power supply to the projector.
- If flickering persists, the bulb may be nearing the end of its lifespan or there might be an issue with the projector's internal circuitry.
Informazioni sulla sicurezza
Per evitare lesioni o danni, attenersi alle seguenti linee guida di sicurezza:
- Sicurezza elettrica: Always disconnect power to the projector before installing, removing, or cleaning the bulb.
- Calore: Light bulbs, especially incandescent types, generate significant heat. Allow the bulb to cool completely before handling.
- Gestione: Do not touch the glass part of the bulb with bare hands. Use a clean cloth or gloves.
- Disposizione: Dispose of used bulbs responsibly according to local environmental regulations.
- Compatibilità: Use this bulb only with the Bell & Howell Slide Cube 987 projector or other compatible fixtures as specified. Using an incorrect bulb can cause damage or fire.
Garanzia e supporto
For any questions regarding the Technical Precision Replacement Light Bulb or for support, please contact Technical Precision directly. While specific warranty details are not provided in this manual, Technical Precision is committed to customer satisfaction. You can often find contact information on the product packaging or by visiting the Technical Precision store on Amazon: Negozio di precisione tecnica.