Black and Decker BDEDMT Trigger Device Replacement

Introduction

This guide is somewhat complicated. The trigger is a very important device within the device. Any number of things could have gone wrong such as a faulty wire or a damaged spring. This guide requires that the fixer has experience working with small delicate parts and has patience.

What you need

Step 1 Detach Matrix Attachment

Black and Decker BDEDMT Trigger Device Replacement, Detach Matrix Attachment: step 1, image 1 of 2

Black and Decker BDEDMT Trigger Device Replacement, Detach Matrix Attachment: step 1, image 2 of 2

Remember to disconnect the device from all external power sources.
To detach the matrix attachment piece, press down on the attachment release button located at the top of the device.
Leaving your finger pressed down on the button, simply pull on the attachment to release it.

Edit

Step 2 Remove Mounting Hardware

Black and Decker BDEDMT Trigger Device Replacement, Remove Mounting Hardware: step 2, image 1 of 3

Black and Decker BDEDMT Trigger Device Replacement, Remove Mounting Hardware: step 2, image 2 of 3

Black and Decker BDEDMT Trigger Device Replacement, Remove Mounting Hardware: step 2, image 3 of 3

Using a JIS 1 screwdriver, unscrew seven 19mm outer screws located on the armature.
Using the same screwdriver, unscrew the 12mm outer screw located on the armature.

Edit

Step 3 Trigger Device

Black and Decker BDEDMT Trigger Device Replacement, Trigger Device: step 3, image 1 of 1

Grab a hold of the trigger module. Gently lift the module out of the armature.
Be gentle with the module to ensure that the reverse switch is unaffected.

Edit

Step 4

Black and Decker BDEDMT Trigger Device Replacement: step 4, image 3 of 3

Simply roll the trigger module onto its back.
Located on on the bottom left of the module there will be a screw with the label 3.
Use your a JIS 0 screwdriver. After the screw is released, gently pull out the black wire.
The power cord is released from the trigger module.

Edit

Step 5

Black and Decker BDEDMT Trigger Device Replacement: step 5, image 3 of 3

Located on the bottom side there will be a labeled area with a number 2. Below the two there will be a short white wire.
Using your needle nose tweezers insert one of the ends into the release slot below the white wire.
Make sure aim the tweezers toward the wire.
Lift the end of the tweezers to release the wire.
Do not force the removal of the wire.

Edit

Step 6

Black and Decker BDEDMT Trigger Device Replacement: step 6, image 3 of 3

Located on the top of the trigger module you will see four more wires entering the module. There will be two thin black wires, a thin white wire and a thin red wire.
The steps for the removal of these four wires is the same as seen in step number five.
Remember to reinsert the wires to their corresponding slots when reassembling.
The trigger module is now completely free from the rest of the device and can be replaced.