Makita HM1812 HM1812 Instruction Manual - Page 5

ASSEMBLY CAUTION: • Always be sure that the tool is switched off and unplugged before carrying out any work on the tool. Installing soft grip 1. Soft grip 2. Bolt To install the bit, follow either procedure (1) or (2) described below. (1) For bits with a collar 1 2 1. Bit 2. Tool retainer 3. Tool holder 3 1 2 015522 Soft grip is NOT installed before factory shipment. Install soft grip securely. 1. Triangle alignment mark 015524 Pivot the tool retainer downward (approx. 60 degrees). Insert the bit into the tool holder until it stops. Return the tool retainer and secure the bit. (2) For bits without a collar 2 1 1. Notched portion of the bit 2. Tool retainer 3. Tool holder 3 1 015619 Set the triangle alignment marks on the hammer body and on the soft grip when installing the soft grip. Installing or removing the bit (optional accessory) CAUTION: • Always assure that the bit is securely retained by attempting to pull the bit out of the tool holder after installing the bit. • Follow the below 2 installation methods in accordance with the 2 different types of bits. If inappropriate installation method is selected, the bit cannot be secured. 1 1. Bit with collar 2. Bit without collar 2 015523 This tool accepts bits either with or without a collar on its shank. 015525 Pivot the tool retainer upward (approx. 60 degrees). Face the notched portion of the bit upward. Insert the bit into the tool holder until it stops. Pivot the tool retainer further until it stops at the tool holder. To remove the bit, follow the installation procedure in reverse. OPERATION Chipping/Scaling/Demolition CAUTION: • Keep well-balanced posture when holding the heavy tool before / during / after operation to avoid personal injuries. • Secure debris in case of breaking it into smaller pieces. • 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. • Do not pull out the tool if stuck. Instead, break the work around the bit tip. • Be sure to place the tool on the stable floor or ground after use. 5