Dewalt Nailers DCN680D1 2018 Control Module Replacement

Introduction

This guide shows how to remove and replace the control module for the Dewalt Nailers DCN680D1 2018.

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

What you need

Step 1 Remove the battery

Dewalt Nailers DCN680D1 2018 Control Module Replacement, Remove the battery: step 1, image 1 of 3

Dewalt Nailers DCN680D1 2018 Control Module Replacement, Remove the battery: step 1, image 2 of 3

Dewalt Nailers DCN680D1 2018 Control Module Replacement, Remove the battery: step 1, image 3 of 3

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

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Step 2 Loosen the outer housing

Dewalt Nailers DCN680D1 2018 Control Module Replacement, Loosen the outer housing: step 2, image 1 of 1

Remove the following screws securing the outer housing:
Twelve T10 screws
One 2.5 mm hex screw
Some of these screws are deeply recessed. You can use a flathead screwdriver to loosen these screws.

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Step 3 Remove the right housing

Dewalt Nailers DCN680D1 2018 Control Module Replacement, Remove the right housing: step 3, image 1 of 2

Dewalt Nailers DCN680D1 2018 Control Module Replacement, Remove the right housing: step 3, image 2 of 2

Lift and remove the right housing from the device.

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Step 4 Loosen the internal parts

Dewalt Nailers DCN680D1 2018 Control Module Replacement, Loosen the internal parts: step 4, image 1 of 2

Dewalt Nailers DCN680D1 2018 Control Module Replacement, Loosen the internal parts: step 4, image 2 of 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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Step 5

Slide the battery connector out of its recess.

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Step 6

Dewalt Nailers DCN680D1 2018 Control Module Replacement: step 6, image 3 of 3

Remove the switch board, switch, and spring from its housing recess.
During reassembly, use the third photo as a reference to help you set the components back in the housing.

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Step 7 Remove the left housing

Dewalt Nailers DCN680D1 2018 Control Module Replacement, Remove the left housing: step 7, image 1 of 3

Dewalt Nailers DCN680D1 2018 Control Module Replacement, Remove the left housing: step 7, image 2 of 3

Dewalt Nailers DCN680D1 2018 Control Module Replacement, Remove the left housing: step 7, image 3 of 3

Carefully flip the device over.
Remove the left housing from the device.

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Step 8

Dewalt Nailers DCN680D1 2018 Control Module Replacement: step 8, image 3 of 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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Step 9 Remove the back support

Dewalt Nailers DCN680D1 2018 Control Module Replacement, Remove the back support: step 9, image 1 of 2

Dewalt Nailers DCN680D1 2018 Control Module Replacement, Remove the back support: step 9, image 2 of 2

Use a T20 driver to remove the two screws (one on either side) securing the back support .

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Step 10

Loosen the two solenoid wires from the back support.

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Step 11

Pull the back support straight out of the device.

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Step 12 Disconnect the control module

Dewalt Nailers DCN680D1 2018 Control Module Replacement, Disconnect the control module: step 12, image 1 of 2

Dewalt Nailers DCN680D1 2018 Control Module Replacement, Disconnect the control module: step 12, image 2 of 2

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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Step 13

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

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Step 14

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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Step 15

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

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Step 16

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

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Step 17

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

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Step 18 Remove the control module

Dewalt Nailers DCN680D1 2018 Control Module Replacement, Remove the control module: step 18, image 1 of 3

Dewalt Nailers DCN680D1 2018 Control Module Replacement, Remove the control module: step 18, image 2 of 3

Dewalt Nailers DCN680D1 2018 Control Module Replacement, Remove the control module: step 18, image 3 of 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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Step 19 Transfer the loose components

Dewalt Nailers DCN680D1 2018 Control Module Replacement, Transfer the loose components: step 19, image 1 of 3

Dewalt Nailers DCN680D1 2018 Control Module Replacement, Transfer the loose components: step 19, image 2 of 3

Dewalt Nailers DCN680D1 2018 Control Module Replacement, Transfer the loose components: step 19, image 3 of 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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