Black and Decker LDX 120C Gear Replacement

For this guide we will need to use a 1.0 mm phillips #1 screw.

There are a total of thirteen screws that need to be removed in order to open the drill and access the interior components.

Remove the four screws on the back top side of the drill.

Remove the four screws that connect the chuck to the drill.

Remove the five screws on the front side of the drill.

Gently grab both sides of the drill casing, and separate both sides from each other.

At this point you should be able to separate both as illustrated.

Now all the components of the drill are visible and can be accessed.

After following the prerequisite guide you will be able to access the interior components of the drill.

Gently remove the top part (motor and chuck) from the rest of the drill.

To be able to get into the gears you will need to separate the motor from the rest.

And then you will be able to access the gears which is located between the motor and the chuck.

Twist the gauge to change between the gear.

If you don't hear a clicking sound then check the gears.

Twist the gear and see if the three gears rotate without jamming.

Check if any gear is chipped or broken in any way.

If it is then you will need to change the broken gear.

Using the spudger place it under the gear as illustrated.

The gear will remove with just a little amount of force.

The gear has been removed and now can be replaced by another gear.