Dremel 4000 Shaft Lock Pin Replacement
Introduction
Go to step 1This is likely the simplest repair possible for this device. Simply access the shaft lock pin after opening the case.
What you need
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Start by removing the housing cap by unscrewing it.
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Next, unscrew the now exposed collet nut while holding down the shaft lock button.
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If the shaft lock pin is not engaging the rotary gear, or if the spring is missing or damaged, it will need to be replaced.
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Remove the damaged shaft lock pin and spring by hand.
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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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3 Comments
These instructions are idiotic! I want to replace the shaft lock pin because it is not WORKING. Step 1 instructs me to use the shaft lock pin to remove the exposed collet nut. The reason I am changing the shaft lock pin is because it won’t hold the shaft for loosening the collet nut. DUH!
three years later and I came to the same conclusion: DUH
Four years later and I came to the same conclusion: DUH