Hitachi DH40FA Instruction Manual - Page 10

English ASSEMBLVANDOPEMTION APPLICATIONS Rotation and hammering function O Drilling anchor holes O Drilling holes in concrete Hammering function only O Crushing concrete, chipping, digging, and squaring (by applying optional accessories) PRIOR TO OPERATION 1. Power source Ensure that the power source to be utilized conforms to the power source requirements specified on the product nameplate. 2. Power switch Ensure that the switch is in the OFF position. If the plug is connected to a receptacle while the switch is in the ON position, the power tool will start operating immediately and can cause serious injury. 3. Extension cord When the work area is far away from the power source, use an extension cord of sufficient thickness and rated capacity (refer to page 9). The extension cord should be kept as short as practicable. .L WARNING: Damaged cord must be replaced or repaired. 4. Check the receptacle If the receptacle only loosely accepts the plug, the receptacle must be repaired. Contact a licensed electrician to make appropriate repairs. If such a fautly receptacle is used, it may cause overheating, resulting in a serious hazard. 5. Confirming condition of the environment: Confirm that the work site is placed under appropriate conditions conforming to prescribed precautions. 6. How to install dust cover (Fig. 2) Always install the dust cover on the drill bit or the taper shank adaptor. Insert the dust cover until it lies flush in the groove. NOTE: For a thick drill bit, insert the dust cover from drill rear. 10 Dust cover Insert up to the groove Fig. 2