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Dremel 4000 Power Cord Replacement

Introduction

In the following steps you will access the electrical assembly, and remove the positive and negative wires that connect the power cord to the assembly.

What you need

  1. Dremel 4000 Power Cord Replacement, Back Case: step 1, image 1 of 2 Dremel 4000 Power Cord Replacement, Back Case: step 1, image 2 of 2

    • Start by removing the housing cap by unscrewing it.

    • Next, unscrew the now exposed collet nut while holding down the shaft lock button.

    • To remove the collet nut, you may need to use the small open-end wrench provided with the Dremel.

    Edit

  2. Dremel 4000 Power Cord Replacement: step 2, image 1 of 1

    • Using your hands, carefully remove hanger from casing.

    Edit

  3. Dremel 4000 Power Cord Replacement: step 3, image 1 of 2 Dremel 4000 Power Cord Replacement: step 3, image 2 of 2

    • Remove the brush caps (one on each side) by using a flathead screwdriver bit.

    • The brush caps are spring loaded.

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  4. Dremel 4000 Power Cord Replacement: step 4, image 1 of 1

    • Using the Torx 15 screwdriver tip, remove the 5 screws (12.5 mm) that hold the casing together.

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  6. Dremel 4000 Power Cord Replacement: step 5, image 1 of 1

    • Use a plastic opening tool to gently wedge apart the hard plastic threads.

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  7. Dremel 4000 Power Cord Replacement: step 6, image 1 of 1

    • Use your hands to carefully remove the back casing so that none of the components fall out.

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  8. Dremel 4000 Power Cord Replacement, Power Cord: step 7, image 1 of 2 Dremel 4000 Power Cord Replacement, Power Cord: step 7, image 2 of 2

    • To clear access to the electrical assembly, remove the variable speed dial cap and blue power lever, and set them aside.

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  9. Dremel 4000 Power Cord Replacement: step 8, image 1 of 1

    • Using your fingers, carefully pull the circuit board from the casing. This will make it easier to remove the power cord.

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  10. Dremel 4000 Power Cord Replacement: step 9, image 1 of 1

    • Each wire is fed through a small opening on the circuit board and held with a flat head screw.

    • Loosen the screw just enough to remove the wire by gently pulling it with your hand.

    Edit

  11. Dremel 4000 Power Cord Replacement: step 10, image 1 of 1

    • Carefully remove both wires from circuit board with your hands.

    • Take careful note of which side has the black wire and which has the white wire.

    Edit
Conclusion

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

5 other people completed this guide.

Author

with 2 other contributors

John Cobb

Member since: 01/20/16

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Team

USF Tampa, Team 15-4, Remmell Spring 2016 Member of USF Tampa, Team 15-4, Remmell Spring 2016

USFT-REMMELL-S16S15G4

4 Members

13 Guides authored

One Comment

Super handy guide after my guide dog decided to chew through the cable!

Geoff Palmer - Reply

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