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What Would be Reason for Cordless Screwdriver to Fail?
Boris_yo:
Hello,
I had B&D screwdriver for over a decade and today when I wanted to use it, it failed.
There was strange liquid on it but so was on other tool inside my tool chest so I am not sure if liquid belongs to screwdriver.
It has been stored without batteries and I have not used it much.
How can such tool fail without being used? Used it a few times for short duration.
There is a small steel bar with notch on back of the head so maybe I can open it?
tunk:
Corroded switches/contacts, gummed up bearings?
nctnico:
--- Quote from: tunk on November 20, 2021, 12:30:37 pm ---Corroded switches/contacts, gummed up bearings?
--- End quote ---
No. It says it on the outside: 'Black&Decker'
Boris_yo:
--- Quote from: nctnico on November 20, 2021, 12:43:17 pm ---No. It says it on the outside: 'Black&Decker'
--- End quote ---
What's wrong with B&D?
Nusa:
I assume you've verified all the batteries are good?
I've taken that model apart before and fixed it for my neighbor, twice now. Removing that U clip will allow the gearhead to be pulled off. Tilt the black part down to avoid dropping gears on the table. Once the gearhead and battery clip are removed, you can split the red case carefully. It's electrically simple -- there's nothing in there but the motor, battery and switch contacts, which can be further disassembled. The problem is almost always bent or oxidized contacts.
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