InFocus DV 20VB2 User's Manual
Contents
1. s ueuj u Fon apo un s ueuj u GN apo ea Hitachi Koki Co Ltd 601 Code No C99145011 Printed in Ireland2. The bit rotates clockwise viewed from the rear side by pushing the R side of the push button The L side of the push button is pushed to turn the bit counterclockwise The L and R marks are provided on the body CAUTION Always use the impact drill with clockwise rotation when using it as an impact drill D L mark Push button Switch trigger Fixing the side handle Fig 7 Attach the side handle to the mounting part Rotate the side handle grip in a clockwise direction to secure it Set the side handle to a position that is suited to the operation and then securely tighten the side handle grip Side handle Loosen ais Tighten U Fig 7 To attach a depth gauge on the side handle insert the gauge into the U shaped groove on the side handle adjust the position of the depth gauge in accordance with the desired depth of the hole and firmly tighten the side handle grip Fig 8 Side handle Loosen eis Tighten UJ Fig 8 IMPACT to ROTATION changeover Fig 9 Shift the change lever between the right and left positions to switch easily between IMPACT rotation and impact and ROTATION rotation only respectively To bore holes in hard materials such as concrete stone and tiles shift the change lever to the right hand position as indicated by the F mark The drill bit operates by the combined actions of impact and rotation To bore holes in metal wood and plastic shift t
3. HITACHI Impact Dnill Model DV 20VB2 Handling instructions Before using this Electric Power Tool carefully read through these HANDLING INSTRUCTIONS to ensure efficient safe operation It is recommended that these INSTRUCTIONS be kept readily available as an important reference when using this power tool Hitachi Koki GENERAL OPERATIONAL PRECAUTIONS WARNING When using electric tools basic safety precautions should always be followed to reduce the risk of fire electric shock and personal injury including the following Read all these instructions before operating this product and save these instructions For safe operations 1 2 10 11 12 13 14 15 16 Keep work area clean Cluttered areas and benches invite injuries Consider work area environment Do not expose power tools to rain Do not use power tools in damp or wet locations Keep work area well lit Do notuse power tools where there is riskto cause fire or explosion Guard against electric shock Avoid body contact with earthed or grounded surfaces e g pipes radiators ranges refrigerators Keep children and infirm persons away Do not let visitors touch the tool or extension cord All visitors should be kept away from work area Store idle tools When not in use tools should be stored in adry high or locked up place out of reach of children and infirm persons Do not force the tool It will do the job bett
4. ace the drill bits with a new one or resharpening without delay when abrasion is noted Inspecting the mounting screws Regularly inspect all mounting screws and ensure that they are properly tightened Should any of the screws be loose retighten them immediately Failure to do so could result in serious hazard Maintenance of the motor The motor unit winding is the very heart of the power tool Exercise due care to ensure the winding does not become damaged and or wet with oil or water Inspecting the carbon brushes For your continued safety and electrical shock protection carbon brush inspection and replacement on this tool should ONLY be performed by a Hitachi Authorized Service Center Replacing supply cord Ifthe supply cord of Tool is damaged the Tool must be returned to Hitachi Authorized Service Center for the cord to be replaced 6 Service parts list CAUTION Repair modification and inspection of Hitachi Power Tools must be carried out by a Hitachi Authorized Service Center This Parts List will be helpful if presented with the tool to the Hitachi Authorized Service Center when requesting repair or other maintenance In the operation and maintenance of power tools the safety regulations and standards prescribed in each country must be observed MODIFICATION Hitachi Power Tools are constantly being improved and modified to incorporate the latest technological advancements Accordingly some parts may be chang
5. ed without prior notice NOTE Due to HITACHI s continuing program of research and development the specifications herein are subject to change without prior notice Osxvd Z CL9 T96 SE I EVE t AOVZ T ACG9 O9E EE AOEZ T ACG9 O9E Z EE AOTT T DZS9 09E I EE I EGG 6E6 ZE TJeSdeOQq809 T Wdd 809 TE T oe oE T 9b 8 ZZE 62 I vOT 786 Z 8z SG T 098 ZZE T 8Z I 6 8 ZZE LZ T 9z all T tVt8 ZZ SZ SEd I SES GIE YZ T 8ZE T86 EZ T 60L 0 0S ceS I SE 90E ZZ T OS I 8v8 cce TZ I TOS I RE oZ T ae 9S aC OC T Lv8 cZE 6T 8 8d T LCE ES6 SS I 898 ZZE Z 8T T TE9 LE6 tS T 6S8 ZZE T 8T 9TXvd Z OSL V86 ES T Ovs cce LT WAOTT Wg5 I 6ISZZE Z ZS I v8 cce OT AOvZ AOTT T ve9 TZe I ZS T Tv8 cce ST ISS T TE9 TZE TS T L98 ZZE Z vI T SE9 Z66 OS T 8S8 ZZE T vI T Z 66 6v CG8 cce ET T ae 87 OSXGSG t 698 CZE Z CT Z 0 SS6 LV SvxGd t TZE 9TE T CT Tv0 666 9y T St8 Z TI WAOTT Y99 I 8ISZZE Z St S 9q T OST 6S6 OT NAO Z AOZZ I LIS ZZE I S T TOT 86 6 TOOT T O 9 TZE tt I OS8 czE 8 T vG8 cce Ev ICSdWoOaazoz9 I aazoz9 L T S8 Z Z Zy I TS8 cce 9 T cgs cce Tr T 9SS 6E6 S Ocxvd ES9 TOE Or I 998 ZZE Zv T BF 6 T 4S8 amp ZZE T v T T98 ZZE 8E NIAET LI O8Z 9TE EE TESdZDAA809 T WAA 809 LE N AYUTAET I 9PS 6TE Z E AOQv T ALBS OVE 9E G du1AET I visTce Te NOEZ T ALBS OVE Z 9E T P c AOTT T O 8S Ot I 9E S xOW I tr8 S66 T S 0 o
6. electric tool is in accordance with the relevant safety requirements Repairs should only be carried out by qualified persons using original spare parts Otherwise this may result in considerable danger to the user PRECAUTIONS ON USING IMPACT DRILL 1 2 Before drilling into walls ceilings or floors ensure that there are no concealed power cables inside Always use side handle and hold the tool firmly with both hands Always use the impact drill with clockwise rotation when using it as an impact drill Fig 1 Fig 1 SPECIFICATIONS Voltage by areas Power input 110V 220V 230V 240V Speed change 1 2 No load speed 0 1000 min 0 3000 min Steel 13 mm 8 mm Concrete Capacity 20 mm 13 mm Wood 40 mm 25 mm Full load impact rate 8000 min 26000 min Weight without cord Be sure to check the nameplate on product as it is subject to change by areas STANDARD ACCESSORIES 1 Chuck Wrench Spec only for keyed chuck 2 Side Handle w 3 Depth Gauge wird Standard accessories are subject to change without notice OPTIONAL ACCESSORIES sold separately 1 Impact Drill Bit for concrete 3 2 mm 20 mm dia Optional accessories are subject to change without notice APPLICATIONS O By combined actions of ROTATION and IMPACT Boring holes in hard materials concrete marble granite tile
7. en notin use before servicing and when changing accessories such as blades bits and cutters Remove adjusting keys and wrenches Form the habit of checking to see that keys and adjusting wrenches are removed from the tool before turning iton 18 19 20 21 22 Avoid unintentional starting Do not carry a plugged in tool with a finger on the switch Ensure switch is off when plugging in Use outdoor extension leads When tool is used outdoors use only extension cords intended for outdoor use Stay alert Watch what you are doing Use common sense Do not operate tool when you are tired Check damaged parts Before further use of the tool a guard or other part that is damaged should be carefully checked to determine that it will operate properly and perform its intended function Check for alignment of moving parts free running of moving parts breakage of parts mounting and any other conditions that may affect its operation A guard or other part that is damaged should be properly repaired or replaced by an authorized service center unless otherwise indicated in this handling instructions Have defective switches replaced by an authorized service center Do not use the tool if the switch does not turn it on and off Warning The use of any accessory or attachment other than those recommended in this handling instructions may present a risk of personal injury Have your tool repaired by a qualified person This
8. er and safer at the rate for which it was intended Use the right tool Do not force small tools or attachments to do the job of a heavy duty tool Do not use tools for purposes not intended for example do not use circular saw to cut tree limbs or logs Dress properly Do not wear loose clothing or jewelry they can be caughtin moving parts Rubber gloves and non skid footwear are recommended when working outdoors Wear protecting hair covering to contain long hair Use eye protection Also use face or dust mask if the cutting operation is dusty Connect dust extraction equipment If devices are provided for the connection of dust extraction and collection facilities ensure these are connected and properly used Do not abuse the cord Never carry the tool by the cord or yank it to disconnect it from the receptacle Keep the cord away from heat oil and sharp edges Secure work Use clamps or a vise to hold the work It is safer than using your hand and it frees both hands to operate tool Do not overreach Keep proper footing and balance at all times Maintain tools with care Keep cutting tools sharp and clean for better and safer performance Follow instructions for lubrication and changing accessories Inspect tool cords periodically and if damaged have it repaired by authorized service center Inspect extension cords periodically and replace if damaged Keep handles dry clean and free from oil and grease Disconnect tools Wh
9. h the speed control dial Turn the speed control dial clockwise for higher speed and counterclockwise for lower speed Fig 11 Pulling the trigger and pushing the stopper it keeps the switched on condition which is convenient for continuous running When switching off the stopper can be disconnected by pulling the trigger again ON Switch trigger Fig 11 Drilling When drilling start the drill slowly and gradually increasing speed as you drill Always apply pressure in a straight line with the bit Use enough pressure to keep drilling but do not push hard enough to stall the motor or deflect the bit To minimize stalling or breaking through the material reduce pressure on drill and ease the bit through the last part of the hole If the drill stalls release the trigger immediately remove the bit from the work and start again Do not click the trigger on and off in an attempt to start a stalled drill This can damage the drill The larger the drill bit diameter the larger the reactive force on your arm Be careful not to lose control of the drill because of this reactive force To maintain firm control establish a good foothold use side handle hold the drill tightly with both hands and ensure that the drill is vertical to the material being drilled MAINTENANCE AND INSPECTION 1 Inspecting the drill bits Since use of an abraded drill bits will cause motor malfunctioning and degraded efficiency repl
10. he change lever to the left hand position as indicated by the mark The drill bit operates by rotational action only as in the case of a conventional electric drill CAUTION O Do notuse the Impact Drill in the IMPACT function if the material can be bored by rotation only Such action will not only reduce drill efficiency but may also damage the drill tip O Operating the Impact Drill with the change lever in mid position may result in damage When switching make sure that you shift the change lever to the correct position Change lever OA Fig 9 9 High speed Low speed changeover Prior to changing speed ensure that the switch is in the OFF position and the drill has come to acomplete stop To change speed rotate the gear shift dial as indicated by the arrow in Fig 10 The numeral 1 engraved on the drill body denotes low speed the numeral 2 denotes high speed If it is hard to turn the gear shift dial turn the chuck slightly in either direction and then turn the gear shift dial again HOW TO USE 1 Switch operation O When the trigger is depressed the tool rotates When the trigger is released the tool stops O The rotational speed of the drill can be controlled by varying the amount that the trigger switch is pulled Speed is low when the trigger switch is pulled slightly and increases as the trigger switch is pulled more O The desired rotation speed can be pre selected wit
11. king drill bit O O OP For keyless chuck The country of use will determine whether Type A or Type B keyless chuck is required O TypeA Fig 3 1 Mounting the bit Turn the lock collar in the direction AUF and open the chuck After inserting the drill bit into the chuck as far it will go turn the lock collar in the ZU direction Grip the ring and close the chuck by turning the sleeve clockwise as viewed from the front 2 Dismounting the bit Turn the lock collar in the direction AUF to release the chucking force Grip the ring and open the chuck by turning the sleeve counterclockwise Lock collar Loosen Sleeve NOTE When the sleeve does not become loose any further fix the side handle to ring hold side handle firmly then turn the sleeve to loosen by hand Fig 4 Ring Sleeve Side handle Fig 4 O Type B Fig 5 1 Mounting the bit Turnthe sleeve counterclockwise and open the chuck After inserting the drill bit into the chuck as far it will go grip the ring and close the chuck by turning the sleeve clockwise as viewed from the front 2 Dismounting the bit Grip the ring and open the chuck by turning the sleeve counterclockwise Sleeve Fig 5 NOTE When the sleeve does not become loose any further fix the side handle to ring hold side handle firmly then turn the sleeve to loosen by hand Fig 4 6 Check the rotational direction Fig 6
12. s etc By ROTATIONAL action Boring holes in metal wood and plastic O 5 Mounting and dismounting of the bit For keyed chuck Fig 2 1 Open the chuck jaws and insert the bit into the chuck 2 Place the chuck wrench in each of the three holes in the chuck and turn it in the clockwise direction viewed from the front side Tighten securely 3 To remove the bit place the chuck wrench into one of the holes in the chuck and turn it in the counterclockwise direction Drill chuck Chuck wrench Fig 2 PRIOR TO OPERATION 1 Power source Ensure that the power source to be utilized conforms to the power requirements specified on the product nameplate 2 Power switch Ensure that the power switch is in the OFF position If the plug is connected to a receptacle while the power switch is in the ON position the power tool will start operating immediately inviting serious accident 3 Extension cord When the work area is removed from the power source use an extension cord of sufficient thickness and rated capacity The extension cord should be kept as short as practicable Selecting the appropriate drill bit When boring concrete or stone Usethe drill bits specified in the Optional Accessories When boring metal or plastic Use an ordinary metalworking drill bit When boring wood Use an ordinary woodworking drill bit However when drilling 6 5 mm or smaller holes use a metalwor
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