Hitachi DH24PE Instruction Manual - Page 13

English 3. Rotation only This rotary hammer can be set to rotation only mode by pressing the push button and turning the change lever to mark. (Fig. 8) To drill a wood or metal material using the separately sold drill chuck and chuck adaptor, proceed as follows. Installing drill chuck and chuck adaptor: (Fig. 9) (1) Mount the drill chuck to the chuck adaptor. (2) The part of the SDS-plus shank is the same as the drill bit. Therefore, refer to the item of "Mounting the drill bit" for attaching it. Push Button Change Lever Fig. 8 Front Cap Grip Drill Chuck Part of SDS-plus Shank Chuck Adaptor Fig. 9 CAUTION: ⅜ Application of force more than necessary will not only reducing drilling efficiency at all, but will deteriorate the tip edge of the drill bit and reduce the service life of the rotary hammer in addition. ⅜ Drill bit may snap off while disengaging the rotary hammer from the jammed hole. For disengaging, it is important to use a pushing motion or turn the drill bit counterclockwise. ⅜ Do not attempt to drill anchor holes or holes in concrete with the main unit in the rotation only function. ⅜ Do not attempt to use the rotary hammer in the rotation and striking function with the drill chuck and chuck adaptor attached. This would seriously shorten the service life of every components of the machine. Bit 4. When driving machine screws (Fig. 10) First, insert the bit into the socket in the Socket end of chuck adaptor (D). Next, mount chuck adaptor (D) on the main unit using procedures described in Chuck Adaptor (D) 5 (1), (2), (3), put the tip of the bit in the slots in the head of the screw, grasp the main unit and tighten the screw. Front Cap Grip Fig. 10 13