Einleitung
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.
Was du brauchst
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Black & Decker 9074 type 4 screwdriver that no longer holds a charge.
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Main pieces to work on for disassembly
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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.
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Move transmission away from body
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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.
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These are the three screws that need to be removed.
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Use a Phillips #1 screwdriver on those three screws
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Three Phillips screws 7/8" long removed.
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Separate the two body halves.
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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.
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Remove motor by simply pulling it away from the contact carrier
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View of the wiring with motor removed.
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Top view of the wiring.
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Use small needle nose pliers to remove cable connector from positive contact of the battery.
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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.
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All wiring separated from the battery. It is now ready to be replaced.
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These are all the parts disassembled for this job.
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To reassemble your device, follow these instructions in reverse order.
To reassemble your device, follow these instructions in reverse order.
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2 Kommentare
thanks. It is also useful for old TYPE 1 model 9018. But where can you find the battery?
Biller koby of course like so many other things, the battery is no longer available. But we have a fix for that as well. Check this guide Repairing Black and Decker 9074 Screwdriver Battery
