Makita HR5000 Owners Manual - Page 9

1. Core bit 2. Adapter 1 003209 1 Core bit (optional accessory) When using the center bit Screw the core bit on the adapter. Install the adapter with the core bit in the tool in the same manner as a drill bit. 2 003210 Install the center bit. 1. Center bit 003212 Rest the core bit on the concrete and turn the tool on. Once the core bit has cut a shallow groove into the concrete, remove the center bit. Then resume drilling. To remove the core bit, follow the procedures 1 or 2. 003214 1. Rotate the change lever to the position. Then rest the core bit on the concrete and turn the tool on. The core bit will come loose from the hammering action. 1 1. Rod 003215 2. Hold the adapter with the wrench, insert the rod (optional accessory) into the hole in the core bit and tap with a hammer to unscrew. 9