Makita HR5000 003101 - Manual (Page 9)

9
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.
Install the center bit.
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.
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.
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.
1. Core bit
2. Adapter
1
2
003209
1. Center bit
1
003210
003212
003214
1. Rod
1
003215