Dewalt Nailers Dcn660D1 2018 Control Module Replacement Repair Guide

Difficulty

Moderate

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Sections

Dewalt Nailer Battery Safety Precaution
1 step
Dewalt Nailers DCN660D1 2018 Opening Procedure
8 steps
Back Support
3 steps
Control Module
10 steps

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Introduction

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

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

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

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Step 2

              Loosen the outer housing

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.

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.

Step 3

              Remove the right housing

Lay the device on its left side (with the belt hook).
Lift and remove the right housing from the device.

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

Lift and remove the right housing from the device.

Step 4

              Loosen the internal parts

Remove the lock button from its recess.
During reassembly, make sure that the button is properly seated and engages the trigger.

Remove the lock button from its recess.

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

Step 5

Slide the battery connector out of its recess.

Slide the battery connector out of its recess.

Step 6

Remove the switch board from its housing recess.
Remove the two spring clips from the housing.

Remove the switch board from its housing recess.

Remove the two spring clips from the housing.

Step 7

              Reassembly tip

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.

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.

Step 8

              Remove the left housing

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

Carefully flip the device over.

Remove the left housing from the device.

Step 9

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.

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.

Step 10

              Remove the back support

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

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

Step 11

Loosen the two solenoid wires from the back support.

Loosen the two solenoid wires from the back support.

Step 12

Pull the back support straight out of the device.

Pull the back support straight out of the device.

Step 13

              Disconnect the control module

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.

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.

Step 14

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

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

Step 15

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.

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.

Step 16

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

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

Step 17

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

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

Step 18

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

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

Step 19

              Remove the control module

Lift and remove the control module from the device.
Reassembly tip: Make sure that the white plastic actuator latches into the black lever arm.

Lift and remove the control module from the device.

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

Step 20

              Transfer the loose components

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.

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.

Step 21

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.

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.

Step 22

Only the control module remains.

Only the control module remains.

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

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Author

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                    Arthur Shi

Member since: 01/03/2018

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