Введение

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.

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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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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Заключение

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

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oldturkey03

Участник с: 29.09.2010

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