Einleitung
Is the trigger of your drill not engaging the chuck when pressed? If so, here is a guide that provides a solution with a change of the trigger. You need a plastic opening tool, a Torx T15 screwdriver, and a Torx T10 screwdriver to remove the requisite components.
Werkzeuge
- 
                  
                  - 
            Orient the drill to have the side with the screws facing up. 
- 
            Using the Torx T10 screwdriver, remove the eight 4.0mm screws from the face of the drill. 
 
- 
            
- 
                  
                  - 
            Orient the drill to where the back is facing up. 
- 
            Using a Torx T10 screwdriver, remove the four 6.0mm screws that attach the back piece to the drill. 
- 
            Remove the back piece of the drill using the iFixit opening tool. 
 
- 
            
- 
                  
                  - 
            Orient the drill to where the chuck is facing up. 
- 
            Using the Torx T15 screwdriver, remove the four 8.0mm screws from the front of the drill. 
 
- 
            
- 
                  
                  - 
            Orient the drill so the side with the screw holes is facing up. 
- 
            Use a plastic opening tool to gently pry the face off of the drill. 
- 
            Remove the face completely from the drill. 
 
- 
            
To reassemble your device, follow these instructions in reverse order.