Hitachi DH40FA Instruction Manual - Page 11

English 7. How to install tool &CAUTION: For tools such as a drill bit and a bull point, use only Hitachi genuine parts. (1) Clean, then smear the tool shank with the grease provided in the green tube. (2) Pull the tool holder in the direction of arrow 0) and rotate it in the direction of arrow (2)(counterclockwise). Fully insert the tool shank into the hexagonal hole of the front cover. (Fig. 3) (3) Return the tool holder to fix the tool. NOTE: Remove in the reverse order to installation. Front Cover ,1)) C?) Tool Shank Tool Holder Fig. 3 HOW TO USE 1. How to drill holes (Fig. 4) (1) Pull the switch trigger after applying the drill bit tip to the drilling position. (2) It is unnecessary to forcibly press the rotary hammer main body. It is sufficient to slightly press the rotary hammer to an extent that clips are freely discharged. O CAUTION: Although this machine is equipped with a safety clutch, if the drill bit becomes bound in concrete or other material, the resultant stoppage of the drill bit could cause the machine body to turn in reaction. Ensure that the main handle and side handle are gripped firmly during operation. 2. How to chisel or crush (Fig. 5) By applying the tool tip to the chiseling or crushing position, operate the rotary hammer by utilizing its empty weight. Forcible pressing or thrusting is unnecessary. Fig. 4 Fig. 5 11