Giriş

I only like to use electric screwdrivers for the assembly of larger screws from larger components. This one has been used on many TV's and Radio's and just did not hold a charge any longer. I decided to get a new battery and replace the old one. Fairly easy and straight forward task. The biggest problem with this job was to find a new battery.

  1. Black & Decker 9074 type 4 screwdriver that no longer holds a charge.
    • Black & Decker 9074 type 4 screwdriver that no longer holds a charge.

    • Main pieces to work on for disassembly

    • Remove the clip that holds the transmission to the body. Insert a 6mm (1/4") flat tip screwdriver underneath the clip, gently move clip upward.

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  2. Once the clip is removed the transmission can be pulled of the body.
    • Once the clip is removed the transmission can be pulled of the body.

    • Move transmission away from body

    • Planetary gears inside the transmission look clean and complete.

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    • Remove plastic washer that is situated between the transmission and the body.

    • These are the three screws that need to be removed.

    • Use a Phillips #1 screwdriver on those three screws

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    • Three Phillips screws 7/8" long removed.

    • Separate the two body halves.

    • Battery, charging port and motor are clearly seen. These are just laid into the bottom half and can be easily removed.

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    • The motor is held to the contact carrier by two elongated contacts. Clearly visible is a charging Diode as we as plenty of corrosion on the positive contact.

    • Remove motor by simply pulling it away from the contact carrier

    • View of the wiring with motor removed.

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    • Top view of the wiring.

    • Use small needle nose pliers to remove cable connector from positive contact of the battery.

    • Positive wiring removed from battery.

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    • Remove the negative (bottom) wire from battery. Gently pull it off the cable connector. Hold the wire close to the connector for removal.

    • All wiring separated from the battery. It is now ready to be replaced.

    • These are all the parts disassembled for this job.

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Sonuç

To reassemble your device, follow these instructions in reverse order.

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oldturkey03

Üyelik tarihi: 29-09-2010

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