Hitachi DH 24PD manual

W ARNING: Improper and unsafe use of this power tool can result in death or serious bodily injury! This manual contains important information about prod- uct safety . Please read and understand this manual before operating the power tool. Please keep this manual avail- able for others before they use the power tool. DOUBLE INSULA TION INSTRUCTION M[...]

2 — CONTENTS — Page IMPORT ANT INFORMA TION ................................................................................... 3 MEANINGS OF SIGNAL WORDS ........................................................................... 3 SAFETY ..........................................................................................................[...]

3 IMPORT ANT INFORMA TION Read and understand all of the operating instructions, safety precautions and warn- ings in the Instruction Manual before operating or maintaining this power tool. Most accidents that result from power tool operation and maintenance are caused by the failure to observe basic safety rules or precautions. An accident can oft[...]

4 SAFETY GENERAL SAFETY RULES W ARNING : Read and understand all instructions. Failure to follow all instructions listed below , may result in elec- tric shock, fire and/or serious personal injury . SA VE THESE INSTRUCTIONS 1. Work Area (1) Keep your work area clean and well lit. Cluttered benches and dark areas invite accidents. (2) Do not operate[...]

5 (2) Dress properly . Do not wear loose clothing or jewelry . Contain long hair . Keep your hair , clothing, and gloves away from moving parts. Loose clothes, jewelry , or long hair can be caught in moving parts. (3) A void accidental star ting. Be sure switch is off before plugging in. Car rying tools with your finger on the switch or plugging in[...]

6 (2) When servicing a tool, use only genuine Hitachi replacement par ts. Follow instructions in the Maintenance section of this manual. Use of unauthorized parts or failure to follow Maintenance Instruction may create a risk of electric shock or injury . 6. Never touch moving parts. Never place your hands, fingers or other body parts near the tool[...]

7 17. Never leave tool running unattended. T urn power off. Don ’ t leave tool until it comes to a complete stop. 18. Carefully handle power tools. Should a power tool be dropped or struck against hard materials inadvertently , it may be deformed, cracked, or damaged. 19. Do not wipe plastic parts with solvent. Solvents such as gasolie, thinner ,[...]

8 DOUBLE INSULA TION FOR SAFER OPERA TION T o ensure safer operation of this power tool, HIT ACHI has adopted a double insula- tion design. “ Double insulation ” means that two physically separated insulation systems have been used to insulate the electrically conductive materials connected to the power supply from the outer frame handled by th[...]

9 Fig. 1 SPECIFICA TIONS Motor Single-Phase, Series Commutator Motor Power Source Single-Phase, 115V 60Hz Current 5.7A Capacity Concrete: 1/8" ~ 15/16" (3.4mm ~ 24mm) Steel: 1/2" (13mm) W ood: 1-1/4" (32mm) No-Load Speed 0 – 1050/min. Full-load Impact Rate 4400/min. W eight 5.7 lbs (2.6 kg) Dust collecting adaptor Max. hole-dr[...]

10 APPLICA TIONS Rotation and striking function 䡬 Drilling anchor holes 䡬 Drilling holes in concrete 䡬 Drilling holes in tile Rotation only function 䡬 Drilling in steel or wood (with optional accessories). 䡬 T ightening machine screws, wood screws (with optional accessories). PRIOR TO OPERA TION 1. Power source Ensure that the power sourc[...]

11 6. Mounting the drill bit (Fig. 2) (1) T o attach a drill bit (SDS-plus shank), fully pull the grip in the direction of the arrow as shown in Fig. 2 and insert the drill bit as far as it will go while manu- ally turning. (2) By releasing the grip, the drill bit will be secured. (3) T o remove the drill bit, fully pull the grip in the direction o[...]

12 drill bits which have 6-17/32" (166 mm), 6-19/64" (160 mm) and 4-21/64" (110 mm) overall length. 䡬 Dump particles after every two or three holes when drilling. 䡬 Please replace the drill bit after removing dust collector (B). 8. Selecting the driver bit Screw heads or bits will be damaged unless a bit appropriate for the screw[...]

13 CAUTION: 䡬 When the drill bit touches an iron reinforcing rod, the bit will stop immediately and the rotary hammer will react to revolve. Therefore please grip the side handle and handle tightly as shown in Fig. 7. 3. Using the dust-collecting adaptor and dust bag. Using this unit with the dust-collecting adaptor and dust bag attached creates [...]

14 (2) Adjusting the dust-collecting adaptor . a) Adjusting the position of the dust- collecting adaptor . After firmly inserting the drill bit, loosen the wing bolt and drill bit tip and the end of the dust-collecting adaptor in contact with each other (see Fig.11). b) Setting the hole-drilling depth. Move the stopper to determine the stroke. The [...]

15 4. When not using the dust-collecting adaptor When removing the dust-collecting adaptor and the dust bag to use as a normal rotary hammer , insert the pro- vided cap in the hose attachment hole. (see Fig.14) After removing the dust bag, the air blowing out from the at- tachment hole is reduced and no air will blow onto your face. 5. Rotation onl[...]

16 6 . When driving machine screws (Fig. 17) 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 . CAUTION: 䡬 Exercise care not to[...]

17 8. How to use the drill bit (taper shank) and the taper shank adaptor . (1) Mount the taper shank adaptor to the rotary hammer . (Fig. 18) (2) Mount the drill bit (taper shank) to the taper shank adaptor . (Fig. 18) (3) T urn the switch ON, and drill a hole in prescribed depth. (4) T o remove the drill bit (taper shank), insert the cotter into t[...]

18 MAINTENANCE AND INSPECTION W ARNING: Be sure to switch power OFF and disconnect the plug from the receptacle during maintenance and inspection. 1. Inspecting the drill bits Since use of a dull tool will cause motor malfunctioning and degraded efficiency , replace the drill bit with a new one or resharpening without delay when abra- sion is noted[...]

19 ACCESSORIES W ARNING: Accessories for this power tool are mentioned in this Instruction Manual. The use of any other attachment or accessory can be dangerous and could cause injury or mechanical damage. NOTE: Accessories are subject to change without any obligation on the part of the HIT ACHI. ST ANDARD ACCESSORIES (1) Case (Molded plastic) (Cod[...]

20 T aper mode Code No. Applicable drill bit 7/16" (11 mm) 31/64" (12.3 mm) 303617 1/2" (12.7 mm) 9/16" (14.3 mm) 73/128" (14.5 mm) 11/16" (17.5 mm) 303618 27/32" (21.5 mm) A-taper 303619 B-taper 303620 External dia. Code No. 7/16" 944460 (11 mm) 31/64" 944461 (12.3 mm) 1/2" 993038 (12.7 mm) 9/16&qu[...]

21 <Outer wedge type with the female screw> Anchor size W 1/4" W 5/16" W 3/8" (6.3 mm) (8 mm) (9.5 mm) Overall Length 10-15/64" 10-15/64" 6-19/64" 10-15/64" (260 mm) (260 mm) (160 mm) (260 mm) Code No. 302976 302975 303621 302974 <Inner wedge type with the headless screw> Anchor size W 1/4" W 5/16[...]

22 4. Bolt placing operation with Chemical Anchor . (rotation + striking) Standard socket ( on the market ) (SDS-plus shank) 1/2" (12.7 mm) Chemical Anchor Adapter (Code No.303044) 3/4" (19 mm) Chemical Anchor Adapter (Code No. 303045) 5. Drilling holes and driving screws (rotation only) 䡬 Drill chuck, chuck adaptor and chuck wrench Chu[...]

23 7. Driving Screws (rotation only) Phillips Driver Bit Bit No. Screw Size Length Code No. No.2 1/8" ~ 3/16" (3 – 5 mm) 31/32" (25 mm) 971511Z No.3 1/4" ~ 5/16" (6 – 8 mm) 31/32" (25 mm) 971512Z 8. Dust cup, Dust collector (B) Dust cup Code No. 971787 Dust collector (B) Code No. 306885 10 . Hammer grease A 1.1 lbs[...]

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Nippon Bldg., 6-2, Ohtemachi 2-chome, Chiyoda-ku, T okyo 100, Japan 706 Code No. C99082861 N Printed in Japan[...]