Hitachi DS 14DVB, Technical And Service Manual

Page 1: ...POWER TOOLS TECHNICAL DATA AND SERVICE MANUAL CORDLESS DRIVER DRILL DS 14DVB SPECIFICATIONS AND PARTS ARE SUBJECT TO CHANGE FOR IMPROVEMENT LIST No F843 Mar 2001 D MODEL DS 14DVB ...

Page 2: ...PRECAUTIONS IN SALES PROMOTION 6 8 1 Safety Instructions 6 8 2 Inherent Drawbacks of Cordless Driver Drills Requiring Particular Attention During Sales Promotion 8 9 REFERENCE MATERIALS 9 9 1 Speed Control Mechanism 9 10 REPAIR GUIDE 10 10 1 Precautions in Disassembly and Reassembly 10 10 2 Precautions in Disassembly and Reassembly of Battery Charger 15 11 STANDARD REPAIR TIME UNIT SCHEDULES 16 As...

Page 3: ...ith concurrent introduction of the new Model DS 18DVB 3 APPLICATIONS Tightening and loosening wood screws self tapping screws and machine screws Drilling into wood materials plastic mild steel and aluminum 4 SELLING POINTS Two speed transmission with one touch speed shift knob Equipped with feedback power control 14 4 V cassette battery Push button type reversing switch Soft grip handle Durable fa...

Page 4: ...he keyless chuck facilitates fast and easy replacement of driver bits Replacement can be carried out simply by holding the ring with one hand while turning the sleeve with the other hand 4 1 4 Variable speed switch with braking function The braking function allows the driver unit to stop rotation immediately when the trigger switch is released which is a convenient feature during actual working Al...

Page 5: ...ominal voltage DC 14 4 V Nominal life Charging discharging Approx 500 times in case of Model UC 24YFA Nominal capacity 3 0Ah Overcharge protection system 1 Battery voltage detection 2 V system 2 Battery surface temperature detection thermostat or thermistor 3 120 minutes timer Power input 90 W Charging time Approx 40 minutes for type EB 1414 battery at 20 C 68 F Approx 50 minutes for type EB 14B b...

Page 6: ...DVA 6 mm 1 4 8 mm dia x50 mm length 20 x 2 13 mm 1 2 13 mm 1 2 27 mm 1 1 16 0 400 min 0 1 200 min Keyless 13 mm 1 2 DC magnet motor HITACHI Equipped 2 0 5 9 N m 20 60 kgf cm 17 52 in lbs 8 positions 25 5 N m 260 kgf cm 226 in lbs 8 8 N m 90 kgf cm 78 in lbs 1 3 Ah 14 4 V 45 minutes Cassette type 232 mm 9 9 64 2 1 kg 4 6 lbs P Not indicated Not indicated 10 mm 3 8 Not indicated 25 mm 1 0 400 min 0 ...

Page 7: ...rging condition operator skill etc This data should be used as a comparative guide only Type of work Maker Model name Working capacity 1 Driling speed sec pc 0 0 250 50 500 100 750 150 1000 200 DS 14DVB DS 14DVA DW954K 2 3615K DS 14DVB DS 14DVA DW954K 2 3615K DS 14DVB DS 14DVA DW954K 2 3615K DS 14DVB DS 14DVA DW954K 2 3615K HITACHI P HITACHI P HITACHI P HITACHI High speed Low speed Low speed High ...

Page 8: ...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 function properly 4 Conduct battery charging at an ambient temperature range of 0 C 40 C 32 F 104 F Special temperature sensitive devices are employed in the Charger to permit rapid charging Ensure that customers are instru...

Page 9: ...r 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 precautions are listed on the Name Plate attached to the main body of each tool For the U S A and Ca...

Page 10: ...ed 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 th...

Page 11: ...mp 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 Types EB 1414 and EB 14B from 5 C to 60 C from 23 F to 140 F Type EB 1430H 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 befo...

Page 12: ...e it Take care that it is left hand threaded b Fix the hexagonal bar wrench M10 into the Drill Chuck 2 as indicated in Fig 4 Next apply a Wrench 14 mm Special repair tool Code No 873929 to the flat surfaces on the spindle to hold it steady and remove it by turning counterclockwise If it is difficult to loosen use a pipe extension or similar tool 2 Removal of Housing B 32 First align the number 22 ...

Page 13: ... Case 9 then remove the Spring 7 and Thrust Washer 8 from the Front Case 9 Note Do not remove the Front Case 9 6 Disassembly of the power supply unit Note Do not remove the fin secured to the DC Speed Control Switch 35 with a screw Remove the two Machine Screws W Sp Washers M4 x 6 31 and take the Motor 28 and the Motor Spacer 27 apart Disconnect the Internal Wires 33 and 34 from the Motor 28 with ...

Page 14: ...Case 9 about one and a quarter turns 3 Reassembly of the gear unit a Apply grease Hitachi Motor Grease No 29 Code No 930035 to the meshing parts of the gear b Install the parts series from the six Rollers 10 to Washer B 26 into the assembly reassembled in step 2 See Fig 7 27 28 i Note the direction of the groove when installing the Slide Ring Gear 20 so that the groove faces toward the Motor 28 ii...

Page 15: ... 17 See Fig 10 c Install the Click Spring 5 and the Cap 4 to the assembly reassembled in step b See Fig 9 i Insert the ridge and the projections of the Click Spring 5 into the holes of the Cap 4 ii When the Nut 6 is screwed in the Front Case 9 about one and a quarter turns the three projections of the Nut 6 and the marking of the Rear Case 17 are positioned as shown in Fig 9 Mount the Cap 4 aligni...

Page 16: ...Case 17 while ensuring that the Shift Knob 38 is aligned with the positive side of the Motor 28 and turn the Motor Spacer 27 clockwise when viewed from the rear of the Motor 28 until it can turn no further During installation make sure that the pinion press fitted onto the shaft of the Motor 28 and Planet Gear A Set 3 pcs 24 mesh properly Fig 11 4 Installation of the assembly reassembled in step 3...

Page 17: ...is pressed from the R marked side the Drill Chuck 2 should turn clockwise when viewed from the rear opposite side of the Drill Chuck 2 Also make sure that the turning speed of the Drill Chuck 2 switches between HIGH and LOW by switching over the Shift Knob 38 Make sure that the run out of the Drill Chuck 2 holding a 12 mm dia test bar is below 0 8 mm at a distance of 110 mm from the chuck end b Th...

Page 18: ...14DVB Work Flow Housing A B Set Motor Cap DC Speed Control Switch Nut Shift Arm 60 50 Gear Box Ass y Front Case Ring Gear Carrier First Ring Gear Planet Gear A Set Pinion B Planet Gear B Set Pinion C Slide Ring Gear Planet Gear C Set Rear Case Spring Drill Chuck General Assembly ...

Page 19: ...ELECTRIC TOOL PARTS LIST LIST NO CORDLESS DRIVER DRILL Model DS 14DVB 2001 1 30 E1 F843 ...

Page 20: ...RING GEAR 1 21 319 749 PINION C 1 22 319 768 PLANET GEAR B SET 3 PCS 3 23 319 751 PINION B 1 24 319 767 PLANET GEAR A SET 3 PCS 3 25 319 752 FIRST RING GEAR 1 26 312 716 WASHER B 1 27 316 955 MOTOR SPACER 1 28 319 756 MOTOR 1 29 991 672 TAPPING SCREW W WASHER D3X16 8 30 NAME PLATE 1 31 317 333 MACHINE SCREW W SP WASHER M4X6 2 32 319 785 HOUSING A B SET 1 33 319 759 INTERNAL WIRE 1 34 319 758 INTER...

Page 21: ...SORIES OPTIONAL ACCESSORIES ITEM NO CODE NO DESCRIPTION REMARKS NO USED ITEM NO CODE NO DESCRIPTION REMARKS NO USED 501 CHARGER MODEL UC 24YFA 1 502 318 236 DRIVER BIT NO 2 55L 1 503 319 770 CASE 1 601 873 929 WRENCH 14MM 1 DS 14DVB 1 01 ...

Page 22: ... ALTERNATIVE PARTS 4 ITEM NO CODE NO DESCRIPTION REMARKS NO USED PARTS DS 14DVB Printed in Japan 010130N 1 01 ...

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