Hitachi DV 24DV Technical Data And Service Manual Download Page 4

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CONTENTS

1. PRODUCT NAME ........................................................................................................................... 1

2. MARKETING OBJECTIVE ............................................................................................................. 1

3. APPLICATIONS .............................................................................................................................. 1

4. SELLING POINTS .......................................................................................................................... 1

4-1. Selling Point Descriptions ............................................................................................................... 2

5. SPECIFICATIONS .......................................................................................................................... 3

5-1. Specifications .................................................................................................................................. 3

5-2. Optional Accessories ...................................................................................................................... 4

6. COMPARISONS WITH SIMILAR PRODUCTS .............................................................................. 6

7. WORKING PERFORMANCE PER SINGLE CHARGE .................................................................. 7

8. PRECAUTIONS IN SALES PROMOTION ..................................................................................... 8

8-1. Safety Instructions .......................................................................................................................... 8

8-2. Inherent Drawbacks of Cordless Impact Drills Requiring Particular Attention

During Sales Promotion ................................................................................................................ 10

9. REFERENCE MATERIALS ........................................................................................................... 11

9-1. Speed Control Mechanism ............................................................................................................ 11

10. REPAIR GUIDE .......................................................................................................................... 12

10-1. Precautions in Disassembly ....................................................................................................... 12

10-2. Precautions in Reassembly ........................................................................................................ 16

10-3. Precautions in Disassembly and Reassembly of Battery Charger ............................................. 18

11. STANDARD REPAIR TIME (UNIT) SCHEDULES ...................................................................... 20

Assembly Diagram for DV 24DV

Summary of Contents for DV 24DV

Page 1: ...POWER TOOLS TECHNICAL DATA AND SERVICE MANUAL CORDLESS IMPACT DRILL DV 24DV SPECIFICATIONS AND PARTS ARE SUBJECT TO CHANGE FOR IMPROVEMENT LIST No F848 May 2001 D MODEL DV 24DV ...

Page 2: ...Notice for use Specifications and parts are subject to change for improvement Refer to Hitachi Power Tool Technical News for further information ...

Page 3: ...CAL DATA AND SERVICE MANUAL a symbol s is are used in the place of company name s and model name s of our competitor s The symbol s utilized here is are as follows Symbol Utilized Competitor Company Name Model Name DEWALT DW006K T ...

Page 4: ...E CHARGE 7 8 PRECAUTIONS IN SALES PROMOTION 8 8 1 Safety Instructions 8 8 2 Inherent Drawbacks of Cordless Impact Drills Requiring Particular Attention During Sales Promotion 10 9 REFERENCE MATERIALS 11 9 1 Speed Control Mechanism 11 10 REPAIR GUIDE 12 10 1 Precautions in Disassembly 12 10 2 Precautions in Reassembly 16 10 3 Precautions in Disassembly and Reassembly of Battery Charger 18 11 STANDA...

Page 5: ... 2 mode selection drill or impact drill and the class top torque 3 APPLICATIONS 1 Rotation and impact function Drilling into concrete brick and tile 2 Rotation only function Drilling into steel wood and plastics 4 SELLING POINTS 13 mm 1 2 keyless chuck with positive lock mechanism Soft touch rubber grip handle Replaceable carbon brushes for longer motor life Push button type reversing switch Conve...

Page 6: ... the motor by hooking the claw of the carbon brush on the connecting portion on the outside of the brush tube Fig 1 3 13 mm 1 2 keyless chuck with positive lock mechanism The keyless chuck makes replacement of bits easier Replace the drill bit by simply turning the sleeve with one hand while holding the ring with the other See Fig 4 A lock mechanism is provided to prevent loosening of the chuck du...

Page 7: ...er Polycarbonate resin elastomer Gear cover and inner cover Aluminum alloy die casting Storage battery Glassfiber reinforced polyamide resin Charger ABS resin Wood Concrete Steel Auger bit Flat spade bit Hole saw Self feed bit Twist bit 2 High 20 mm 3 4 32 mm 1 1 4 32 mm 1 1 4 8 mm 5 16 0 1750 min 0 31500 min 10 mm 3 8 Max torque Type of motor Mount type Screw on UNF 1 2 20 Capacity 2 13 mm 5 64 1...

Page 8: ...se quarters on machinery and equipment Provides two additional drilling speed Chuck transferred from drill to LOW spindle of angle unit the drilling speed is decreased to about 70 and the drilling torque increased to about 150 Chuck transferred to HIGH spindle of angle unit the drilling speed is increased to about 150 and the drilling torque decreased to about 70 The table below shows the drilling...

Page 9: ...9884 3 2 x 65 1 8 x 2 9 16 939875 14 3 x 160 9 16 x 6 5 16 931776 12 x 120 15 32 x 4 3 4 971704 8 x 100 5 16 x 4 931852 10 x 120 3 8 x 4 3 4 931854 4 8 x 85 3 16 x 3 3 8 939879 5 5 x 100 7 32 x 4 939882 13 x 160 1 2 x 6 5 16 931855 16 x 160 5 8 x 6 5 16 931670 20 x 170 3 4 x 6 5 8 959615 ...

Page 10: ... 2 9 16 3 4 kg 8 4 lbs Impact rate min Low High 0 7 200 0 31 500 0 7 650 0 34 000 Rotation speed min Low High 0 400 0 1 750 0 450 0 2 000 Drill chuck Reversing switch Handle configuraton Push button Push button Max torque 65 N m 663kgf cm 576 in lbs 65 N m 663 kgf cm 550 in lbs Battery Nominal capacity Nominal voltage Charging time 2 0 3 0 Ah 24 V 50 70 minutes 1 7 2 4 Ah 24 V 60 80 minutes Capaci...

Page 11: ... particularly in wood materials moisture content of wood charging condition operator skill etc This data should be used as a comparative guide only Test conditions Maker Model name Working capacity 1 40 80 120 160 200 Low speed Low speed High speed DV 24DV HITACHI T 50 40 DV 24DV HITACHI T 50 45 DV 24DV HITACHI T 50 50 DV 24DV HITACHI T Working speed sec pc 7 0 8 0 19 2 21 2 5 2 5 2 6 6 7 3 20 20 ...

Page 12: ...se of other battery chargers is hazardous 3 Connect the Charger to an AC power outlet only Use of any other power source DC outlet fuel powered generator etc will cause the Charger to overheat and burn out 4 Do not use any voltage increasing equipment transformer etc between the power source and the Charger If the Charger is used with voltage higher than that indicated on the unit it will not func...

Page 13: ... be returned to the Hitachi power tool sales outlet or the authorized service center when they are no longer capable of being recharged or repaired If thrown into a fire the batteries may explode or if discarded indiscriminately leakage of the cadmium compound contained in the battery may cause environmental pollution B Caution plates 1 The following cautions are listed on the Name Plate attached ...

Page 14: ...speed attempting such work at high speed will not improve working efficiency 3 Do not insert a foreign object into body vent holes The body of this tool has vent holes for improving the cooling efficiency As a fan is built into the motor a foreign object inserted through a vent hole may cause a failure Please instruct customers to never insert a foreign object into the vent hole 4 Avoid Locking of...

Page 15: ...ot lamp red may not be turned on when the battery is connected to the charger Chargeable temperature ranges of each type of battery are specified as follows Type EB 2420 from 5 C to 60 C from 23 F to 140 F Type EB 2430HA from 0 C to 45 C from 32 F to 113 F In such a case the customer should be advised to place the battery in a shaded area with a good airflow and allow sufficient cooling before rec...

Page 16: ...bly of the motor section 1 Removal of the Gear Cover 10 Inner Cover 16 and Housing 28 Remove the Brush Cap 32 and the Carbon Brush 33 Remove the Tapping Screw W Flange D5 x 65 Black 18 then the Gear Cover 10 Inner Cover 16 together with the Armature Ass y 24 Housing 28 and Fan Guide 25 can be removed 2 Removal of the armature from the inner cover As illustrated in Fig 6 support the Inner Cover 16 ...

Page 17: ... a wooden hammer gently tap the connecting portion of the Gear Cover 10 and the Second Pinion 13 Gear 11 Shift Arm 22 and Seal Plate 21 can be removed from the gear cover interior 10 1 4 Disassembly of the hammering section 1 Removal of the Drill Chuck 2 See Fig 7 Remove the Drill Chuck 2 of the fully assembled main body in accordance with the following procedures a Fully open the jaws of the Dril...

Page 18: ... the Spindle 3 will be too low for proper operation Fig 8 Push Ratchet A 8 Ball Bearing 7 10 1 5 Disassembly of the handle section Remove the two Tapping Screws W Flange D4 x 25 Black 42 and pull the Grip Cover 41 backward to remove it Remove four Tapping Screws W Flange D4 x 30 Black 40 and remove Handle A B Set 37 Then the Pushing Button 38 and the power supply unit an assembly of the DC speed C...

Page 19: ...e Ball Bearing 604 on a tubular jig and press down on the Spindle 607 with a hand press Fig 10 Loosen Wrench 614 Push Flat Hd Screw A Left hand M6 x 25 1 Spindle 607 Hex bar wrench 10 1 8 Angle attachment ass y optional accessory disassembly 1 Removal of the drill chuck from the angle unit The drill chuck can be removed from angle unit in the same manner it was removed from the impact drill howeve...

Page 20: ... Insert the Shift Plate 20 into the shift plate sliding portion provided outside the Gear Cover 10 After aligning the through hole for the shift plate screw and the shift arm screw hole secure the Shift Plate 20 with the Seal Lock Flat Hd Screw M4 x 14 Black 19 In this reassembling process be careful not to pinch the Seal Plate 21 between the Shift Plate 20 and the Shift Arm 22 Apply screw locking...

Page 21: ... the Inner Cover 16 Spline portion of the Spindle 3 Teeth portion of Ratchet A 8 On the Change Lever 14 Dia 8 mm outer circumference portion 10 2 2 Reassembly of the Magnet 30 Mount the Magnet 30 to the Housing 28 aligning the notch of the Magnet 30 with the protrusion of the Housing 28 10 2 3 Reassembly of Handle A B Set 37 Be careful not to catch the internal wires in Handle A B Set 37 when moun...

Page 22: ...6 2 Mount the DC Speed Control Switch 39 to Handle A B Set 37 so that the projection of the forwarding reversing lever at the top of the switch is inserted into the U shaped groove of the Pushing Button 38 Secure the Heat Sink 43 to the FET of the DC Speed Control Switch 39 with the Machine Screw W Washers M3 x 12 44 10 3 Precautions in Disassembly and Reassembly of Battery Charger Please refer to...

Page 23: ... Internal wire red Fig 15 Fig 14 Fig 16 Internal wire black Internal wire blue Internal wire brown Internal wire black Internal wire red Wiring Diagram DC Speed Control Switch 39 Terminal Black Red A A B B ...

Page 24: ...Cover Ball Bearing 608VV x 2 Armature Ass y 60 50 Second Pinion Metal Ratchet A Steel Ball Handle A B Set DC speed Control Switch General Assembly Housing Magnet Change Lever Change Shaft Spindle Ball Bearing 6002VV Spring A Gear Cover Gear Shift Plate Seal Plate Shift Arm Retaining Ring for D32 Hole ...

Page 25: ...RTS LIST LIST NO CORDLESS IMPACT DRILL Model DV 24DV 2001 3 5 E1 F848 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 501 502 503 504 46 ...

Page 26: ...602 603 604 605 606 607 608 609 610 611 612 613 602 605 3 01 DV 24DV ...

Page 27: ...SEAL PLATE 1 22 319 798 SHIFT ARM 1 23 608 VVM BALL BEARING 608VVC2PS2L 2 24 360 553 ARMATURE ASS Y DC 24V 1 INCLUD 23 25 319 788 FAN GUIDE 1 26 960 108 HEX HD TAPPING SCREW D4X60 2 27 319 956 WASHER B 2 28 319 808 HOUSING 1 29 NAME PLATE 1 30 319 846 MAGNET 1 31 HITACHI LABEL 1 32 319 847 BRUSH CAP 2 33 999 058 CARBON BRUSH 1 PAIR 2 34 319 813 BRUSH HOLDER A 1 35 319 814 BRUSH HOLDER B 1 36 318 2...

Page 28: ...LE 2 606 932 819 WOODRUFF KEY 3X10 1 607 986 146 SPINDLE 1 608 986 143 COUPLING 1 609 986 142 JOINT SLEEVE 1 610 949 632 BOLT M8X45 10 PCS 2 611 949 426 WASHER M8 10 PCS 2 612 986 144 ANGLE HEAD ASS Y 1 INCLUD 602 613 986 156 SPINDLE AND GEAR SET 1 614 949 168 WRENCH 13 17MM 1 615 931 851 DRILL BIT B D6 5X100 1 616 931 852 DRILL BIT B D8 0X100 1 617 931 853 DRILL BIT B D9 5X120 1 618 931 854 DRILL...

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