Changing the tool
- Wear protective gloves when changing tools. The drill chuck may heat up significantly when it is used for long periods.
Keyed chuck (GRD 18V-127) (see figure B)
Open the keyed chuck (1) by turning it until the tool can be inserted. Insert the tool.
Insert the drill chuck key (13) into the corresponding holes of the keyed chuck (1) and clamp the tool evenly.
Hex keyless chuck (GRD 18V-127 HX) (see figure C)
Push the tool all the way into the tool holder of the hex keyless chuck (2). The tool is securely in place when you hear a clicking noise.
To remove the tool, pull back the ring of the hex keyless chuck (2). Take the tool out of the tool holder and release the hex keyless chuck (2).