Makita HR4041C Owners Manual - Page 6

Chipping/Scaling/Demolition 007798 Set the change lever to the symbol. Hold the tool firmly with both hands. Turn the tool on and apply slight pressure on the tool so that the tool will not bounce around, uncontrolled. Pressing very hard on the tool will not increase the efficiency. 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. 1 1. Core bit 2. Adapter 2 003209 007800 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. 007886 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. Rod Install the center bit. 1 1. Center bit 1 003215 003210 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. When not 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. 1. Core bit 1 2. Adapter 2 003216 6