Introduction

The DeWalt D26451 power switch turns the sander on and off. It may not be working because the circuit is out of alignment, there is a tripped breaker, or a stripped wire.

Replacing the power switch may fix your on/off issues. In this guide, we will be teaching you how to replace the switch. You can order a replacement switch here.

Parts

Image 1/1: Remove screws (3) from cap by using the T20 torx attachment and unscrewing in a leftward motion.
  • Please wear safety glasses while completing this guide.

  • Remove screws (3) from cap by using the T20 torx attachment and unscrewing in a leftward motion.

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  • Gently pry the cap off using your fingers or spudger tool.

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  • Once cap is off, expose and locate the power cord mounting bracket and remove the 2 screws holding the wire down by using the T15 torx attachment. Once the cord is loose, pull the connectors out

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  • Loosen the white and black wire terminals

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Image 1/1: Do not over-tighten
  • Insert new power cord terminals and tighten down

  • Do not over-tighten

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  • Remove screws (3) from the cap using a T20 torx attachment by unscrewing in a leftward motion

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  • Gently pry the cap off

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  • Once the cap is removed, the switch and connectors should be exposed

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  • Remove both connectors from the switch

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Conclusion

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

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