Hitachi DH30PC2 Instruction Manual - Page 14
When driving machine screws, Fig. 8, When driving wood screws Fig. 8 - rotary hammer
UPC - 717709011113
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English 4. When driving machine screws (Fig. 8) First, insert the bit into the socket in the end of chuck adaptor (D). Next, mount chuck adaptor (D) on the main unit using procedures described in 6 (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. Bit Socket Chuck adaptor (D) Front cap Grip CAUTION: Fig. 8 Exercise care not to excessively prolong driving time, otherwise, the screws may be damaged by excessive force. Apply the rotary hammer perpendicularly to the screw head when driving a screw; otherwise, the screw head or bit will be damaged, or driving force will not be fully transferred to the screw. Do not attempt to use the rotary hammer in the rotation and hammering func- tion with chuck adaptor (D) and bit attached. 5. When driving wood screws (Fig. 8) (1) Selecting a suitable driver bit Employ phillips screws, if possible, since the driver bit easily slips off the heads of slotted-head screws. (2) Driving in wood screws Prior to driving in wood screws, make pilot holes suitable for them in the wooden board. Apply the bit to the screw head grooves and gently drive the screws into the holes. After rotating the rotary hammer at low speed for a while until a wood screw in partly driven into the wood, squeeze the trigger more strongly to obtain the optimum driving force. CAUTION: Exercise care in preparing a pilot hole suitable for the wood screw taking the hardness of the wood into consideration. Should the hole be excessively small or shallow, requiring much power to drive the screw into it, the thread of the wood screw may sometimes be damaged. 14