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. 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. Dust cover 7. How to install tool Fig. 2 CAUTION: For tools such as a bull point and a cold chisel, use only Hitachi genuine parts. Front Cover (1) Clean, then smear the tool shank with the grease provided. (2) Pull the tool holder in the direction of arrow 1 and rotate it in the direction of arrow 2 (counterclockwise). Fully insert the tool shank into the hexagonal hole of the front cover. Tool Holder (Fig. 3) (3) Return the tool holder to fix the tool. Fig. 3 NOTE: Remove in the reverse order to installation. Tool Shank English 3. Extension cord When the work area is far away from the power source, use an extension cord of sufficient thickness and rated capacity. The extension cord should be kept as short as practicable. 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 Insert up to the groove English 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. 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. 3. How to select rotation-hammering and hammering. (Fig. 6) (1) Rotation-hammering Rotate the selector lever counter-clockwise and align with mark. (2) Rotate the selector lever clockwise and align with . CAUTION: . Turning the selector lever during motor rotation will rotate the tool accidentally. The selector lever should only be turned when the motor is stopped. Fig. 4 Fig. 5 Selector Lever ID Mark Fig. 6 Cotter Support Fig. 9 English 4. How to use stopper (1) Install the stopper (Fig. 7) 1 Loosen the side handle and insert the straight portion of the stopper into the handle bolt hole from the front cover. 2 Loosen the side handle, move the stopper to the specified position and rotate the grip of the side handle clockwise to fix the stopper. 5. How to use the drill bit (taper shank) and the taper shank adaptor. (1) Install drill bit with taper shank in the taper shank adaptor. (2) Turn the power on and drill a base hole. (3) After cleaning out dust with a syringe, attach the plug to the anchor tip and drive in the anchor with a manual hammer. (4) To remove the drill bit with taper shank, insert a cotter into the slot of the taper shank adaptor, place supports under the rotary hammer and tap the cotter with a manual hammer. (Fig. 9) Stopper Side Handle Fig. 7 Taper Shank Adaptor Drill Bit (Taper shank) Fig. 8 Taper Shank Adaptor English HOW TO USE THE CORE BIT When boring penetrating large hole use the core bit. At that time use with the center pin and the core bit shank provided as optional accessories. 1. Mounting CAUTION: . Be sure to turn power OFF and disconnect the plug from the receptacle. (1) Mount the core bit to the core bit shank. (Fig. 10) Lubricate the thread of the core bit shank to facilitate disassembly. (2) Mount the core bit shank to the rotary hammer. (Fig. 11) (3) Insert the center pin into the guide plate until it stops. (4) Engage the guide plate with the core bit, and turn the guide plate to left or right so that it does not fall even if it faces downward. (Fig. 12) 2. How to bore (Fig. 13) (1) Connect the plug to the receptacle. (2) A spring is installed in the center pin. Push it lightly to the wall or the floor straight. Connect all over the surface of the core bit tip and start operating. (3) When boring about 3/16" (5 mm) in depth the position of the hole will establish. Bore after that removing the center pin and the guide plate from core bit. (4) Application of excessive force will not only expedite the work, but will deteriorate the tip ed...