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Dewalt Nailers DCN660D1 2018 Control Module Replacement

Introduction

This guide shows how to remove and replace the control module for the Dewalt Nailers DCN660D1 2018.

The module is an all-in-one assembly, which includes the trigger mechanism, battery connector, and selector switch board.

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  1. Dewalt Nailers DCN660D1 2018 Control Module Replacement, Remove the battery: étape 1, image 1 de 3 Dewalt Nailers DCN660D1 2018 Control Module Replacement, Remove the battery: étape 1, image 2 de 3 Dewalt Nailers DCN660D1 2018 Control Module Replacement, Remove the battery: étape 1, image 3 de 3

    • Before you begin the repair, remove the battery from the device.

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  2. Dewalt Nailers DCN660D1 2018 Control Module Replacement, Loosen the outer housing: étape 2, image 1 de 1

    • Use a T10 driver to remove the ten screws securing the outer housing.

    • Some of these screws are deeply recessed. You can use a flathead screwdriver to loosen these screws.

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  3. Dewalt Nailers DCN660D1 2018 Control Module Replacement, Remove the right housing: étape 3, image 1 de 2 Dewalt Nailers DCN660D1 2018 Control Module Replacement, Remove the right housing: étape 3, image 2 de 2

    • Lay the device on its left side (with the belt hook).

    • Lift and remove the right housing from the device.

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  4. Dewalt Nailers DCN660D1 2018 Control Module Replacement, Loosen the internal parts: étape 4, image 1 de 2 Dewalt Nailers DCN660D1 2018 Control Module Replacement, Loosen the internal parts: étape 4, image 2 de 2

    • Remove the lock button from its recess.

    • During reassembly, make sure that the button is properly seated and engages the trigger.

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  5. Dewalt Nailers DCN660D1 2018 Control Module Replacement: étape 5, image 1 de 2 Dewalt Nailers DCN660D1 2018 Control Module Replacement: étape 5, image 2 de 2

    • Slide the battery connector out of its recess.

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  6. Dewalt Nailers DCN660D1 2018 Control Module Replacement: étape 6, image 1 de 3 Dewalt Nailers DCN660D1 2018 Control Module Replacement: étape 6, image 2 de 3 Dewalt Nailers DCN660D1 2018 Control Module Replacement: étape 6, image 3 de 3

    • Remove the switch board from its housing recess.

    • Remove the two spring clips from the housing.

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  7. Dewalt Nailers DCN660D1 2018 Control Module Replacement, Reassembly tip: étape 7, image 1 de 3 Dewalt Nailers DCN660D1 2018 Control Module Replacement, Reassembly tip: étape 7, image 2 de 3 Dewalt Nailers DCN660D1 2018 Control Module Replacement, Reassembly tip: étape 7, image 3 de 3

    • During reassembly, use these photos to help you align all the loose parts back into the housing.

    • Be sure to route the wires through the yellow groove.

    • Be sure to reattach the spring clips.

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  8. Dewalt Nailers DCN660D1 2018 Control Module Replacement, Remove the left housing: étape 8, image 1 de 3 Dewalt Nailers DCN660D1 2018 Control Module Replacement, Remove the left housing: étape 8, image 2 de 3 Dewalt Nailers DCN660D1 2018 Control Module Replacement, Remove the left housing: étape 8, image 3 de 3

    • Carefully flip the device over.

    • Remove the left housing from the device.

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  10. Dewalt Nailers DCN660D1 2018 Control Module Replacement: étape 9, image 1 de 3 Dewalt Nailers DCN660D1 2018 Control Module Replacement: étape 9, image 2 de 3 Dewalt Nailers DCN660D1 2018 Control Module Replacement: étape 9, image 3 de 3

    • The spring under the release button has a tendency to fly out. Be careful not to lose the spring.

    • Carefully remove the release button from the device.

    • Remove the button spring from the device.

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  11. Dewalt Nailers DCN660D1 2018 Control Module Replacement, Remove the back support: étape 10, image 1 de 2 Dewalt Nailers DCN660D1 2018 Control Module Replacement, Remove the back support: étape 10, image 2 de 2

    • Use a T25 driver to remove the two screws (one on either side) securing the back support .

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  12. Dewalt Nailers DCN660D1 2018 Control Module Replacement: étape 11, image 1 de 2 Dewalt Nailers DCN660D1 2018 Control Module Replacement: étape 11, image 2 de 2

    • Loosen the two solenoid wires from the back support.

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  13. Dewalt Nailers DCN660D1 2018 Control Module Replacement: étape 12, image 1 de 2 Dewalt Nailers DCN660D1 2018 Control Module Replacement: étape 12, image 2 de 2

    • Pull the back support straight out of the device.

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  14. Dewalt Nailers DCN660D1 2018 Control Module Replacement, Disconnect the control module: étape 13, image 1 de 1

    • Use a T10 driver to remove the three screws securing the motor wires

    • Reassembly tip: The motor wires are color-coded. Be sure to reconnect the motor wires as shown in the photo.

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  15. Dewalt Nailers DCN660D1 2018 Control Module Replacement: étape 14, image 1 de 2 Dewalt Nailers DCN660D1 2018 Control Module Replacement: étape 14, image 2 de 2

    • Use a small flathead screwdriver to pry up and disconnect the sensor connector from the side of the motor.

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  16. Dewalt Nailers DCN660D1 2018 Control Module Replacement: étape 15, image 1 de 2 Dewalt Nailers DCN660D1 2018 Control Module Replacement: étape 15, image 2 de 2

    • Insert the point of a pick tool into the push-in connector's inlet hole, which has the control module wire plugged into it.

    • Make sure you choose the inlet that connects to the control module, not the solenoid.

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  17. Dewalt Nailers DCN660D1 2018 Control Module Replacement: étape 16, image 1 de 2 Dewalt Nailers DCN660D1 2018 Control Module Replacement: étape 16, image 2 de 2

    • With the pick tool still inserted, pull the red control module wire out of the push-in connector.

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  18. Dewalt Nailers DCN660D1 2018 Control Module Replacement: étape 17, image 1 de 1

    • Repeat the previous two steps to disconnect the black control module wire from the push-in connector.

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  19. Dewalt Nailers DCN660D1 2018 Control Module Replacement: étape 18, image 1 de 2 Dewalt Nailers DCN660D1 2018 Control Module Replacement: étape 18, image 2 de 2

    • Unclip the solenoid's red and black wires from the control module's side.

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  20. Dewalt Nailers DCN660D1 2018 Control Module Replacement, Remove the control module: étape 19, image 1 de 3 Dewalt Nailers DCN660D1 2018 Control Module Replacement, Remove the control module: étape 19, image 2 de 3 Dewalt Nailers DCN660D1 2018 Control Module Replacement, Remove the control module: étape 19, image 3 de 3

    • Lift and remove the control module from the device.

    • Reassembly tip: Make sure that the white plastic actuator latches into the black lever arm.

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  21. Dewalt Nailers DCN660D1 2018 Control Module Replacement, Transfer the loose components: étape 20, image 1 de 3 Dewalt Nailers DCN660D1 2018 Control Module Replacement, Transfer the loose components: étape 20, image 2 de 3 Dewalt Nailers DCN660D1 2018 Control Module Replacement, Transfer the loose components: étape 20, image 3 de 3

    • Remove the white plastic actuator from the control module and transfer it onto your replacement part.

    • When you install the actuator, make sure the actuator bar can press the white button on the control module.

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  22. Dewalt Nailers DCN660D1 2018 Control Module Replacement: étape 21, image 1 de 2 Dewalt Nailers DCN660D1 2018 Control Module Replacement: étape 21, image 2 de 2

    • Carefully unclip the clear light pipe from the switch board.

    • The light pipe is fragile and breaks easily.

    • Transfer the light pipe onto your replacement part.

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  23. Dewalt Nailers DCN660D1 2018 Control Module Replacement: étape 22, image 1 de 1

    • Only the control module remains.

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Conclusion

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

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Arthur Shi

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