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(h) Install the Shift Arm [19] into the assembly reassembled in step (g).

With the ridge at the Shift Arm [19] facing the Motor [28] side, first install them on the unmarked side of the

assembly reassembled in step (g).  Then insert the projections on the Shift Arm [19] into the holes in the

Rear Case [17] and make sure that the projections are fitted into the grooves in the Slide Ring Gear [20]

mounted within the Rear Case [17].  (See Fig. 13.)

(g) Install the Click Spring [5] and the Cap [4] to the assembly reassembled in step (f). (See Fig. 12.)

(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. 12.  Mount the Cap

[4] aligning the ridge of the Click Spring [5] with the three projections of the Nut [6].

Fig. 12

Click Spring [5]

Marking of the
Rear Case [17]

Holes

Ridge

Three projections of the Nut [6]

Cap [4]

Projections

Fig. 13

[19]

Ridge

[19]

Hole

Groove

Mark

(i) Install the Drill Chuck 13VLRG-N (W/O Chuck Wrench) [2].

Install the Drill Chuck 13VLRG-N (W/O Chuck Wrench) [2] using a socket wrench 19 mm, etc. and secure

it with the Special Screw (Left Hand) M6 x 23 [1].

Summary of Contents for DS 12DVB

Page 1: ...POWER TOOLS TECHNICAL DATA AND SERVICE MANUAL CORDLESS DRIVER DRILL DS 12DVB SPECIFICATIONS AND PARTS ARE SUBJECT TO CHANGE FOR IMPROVEMENT LIST No F872 May 2002 D MODEL DS 12DVB ...

Page 2: ...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 Symbols Utilized Competitors Company Name Model Name DEWALT DW972K P MAKITA 6316DW C ...

Page 3: ...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 17 11 STANDARD REPAIR TIME UNIT SCHEDULES 18 As...

Page 4: ...d durability Vigorous sales promotion is anticipated with the new Model DS 12DVB 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 Variable torque setting for fastener tightening 22 position adjustable torque setting Two speed transmission with one touch speed shift knob Variable ...

Page 5: ...cilitates fast and easy replacement of driver bits Replacement can be carried out simply by holding the main unit with one hand while turning the sleeve with the other hand This model is also equipped with ratcheting lock mechanism to prevent the chuck from loosening 4 1 4 Variable speed switch with braking function The braking function allows the driver unit to stop rotation immediately when the ...

Page 6: ...r type EB 1220BL battery at 20 C 68 F Approx 70 55 minutes for type EB 1222HL battery at 20 C 68 F Approx 90 70 minutes for type EB 1230HL battery at 20 C 68 F Operable ambient temperature range 0 C 40 C 32 F 104 F The maximum allowable temperature of the type EB 1214L or EB 1220BL battery is 60 C 140 F and the type EB 1222HL or EB 1230HL battery is 45 C 113 F Indication method of battery charging...

Page 7: ...V 60 90 min 13 mm 1 2 Single sleeve Equipped DS 13DV2 C Not indicated Not indicated 13 mm 1 2 Not indicated 32 mm 1 1 4 0 400 0 1 300 Not indicated 2 6 Ah 12 V 75 min 13 mm 1 2 Double sleeve None 32 N m 326 kgf cm 283 in lbs P Not indicated Not indicated 13 mm 1 2 Not indicated 25 mm 1 0 460 0 1 400 Not indicated 2 0 Ah 12 V 60 min 13 mm 1 2 Single sleeve None 35 N m 357 kgf cm 310 in lbs Feedback...

Page 8: ...aterials moisture content of wood charging condition operator skill etc This data should be used as a comparative guide only Type of work Maker Model name Working capacity 1 Drilling speed sec pc 0 0 250 50 500 100 750 150 1000 200 High speed Low speed High speed High speed T1 6 1 16 6 5 mm dia 1 4 Mild steel HSS drill bit T18 11 16 18 mm dia 11 16 American pine Wood boring 38 mm 1 1 2 8 mm dia 20...

Page 9: ...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 10: ... be returned to the Hitachi power tool sales outlet or the authorized service center when it is no longer capable of being recharged or repaired If thrown into a fire the battery 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 to th...

Page 11: ...ocking of the motor Locking of the motor will cause an overload current that could result in burning of the motor and or rapid deterioration of the battery Salespersons should advise the customer to immediately release the switch and stop operation if the motor becomes locked A jammed drill bit can be disengaged from the workpiece material by setting the switch to reverse rotation or by manually t...

Page 12: ...ed period or if the temperature of the battery is high immediately after it has been used in the tool the pilot 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 Types EB 1214L and EB 1220BL from 5 C to 60 C from 23 F to 140 F Type EB 1222HL and EB 1230HL from 0 C to 45 C from 32 F to 113 F In s...

Page 13: ...nal portion at the tip of the Drill Chuck 13VLRG N W O Chuck Wrench 2 counterclockwise with a 19 mm socket wrench to remove the Drill Chuck 13VLRG N W O Chuck Wrench 2 as shown in Fig 4 If it is difficult to loosen use a pipe extension or similar tool Carry out steps a and b with the main body clamped in the stock vise It is recommended to fit a piece of cloth between the main body and the vise to...

Page 14: ... then remove the Spring 7 and Thrust Washer 8 from the Front Case 9 Note Do not disassemble 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 Washer M4 x 6 or 8 31 and take the Motor 28 and the Motor Spacer 27 apart Disconnect the Internal Wires 33 and 34 from the Motor 28 wit...

Page 15: ...Motor Grease No 29 Code No 930035 is recommended to the pinion press fitted on the Motor 28 shaft Fig 6 Positive side Red marking Negative side 2 Reassembly of the clutch unit Mount the Thrust Washer 8 Spring 7 and Nut 6 to the Front Case 9 Screw the Nut 6 in the Front Case 9 about one and a quarter turns See Fig 7 27 28 Fig 7 9 10 11 12 13 14 15 17 18 16 20 21 22 23 6 8 7 25 26 24 Groove ...

Page 16: ...e sure that the flat plane of the Lock Ring 12 faces the Front Case 9 See Figs 8 and 9 Front Case 9 Shaded portion Recess Lock Ring 12 Projection Fig 9 Flat plane of the Lock Ring 12 Front Case 9 Recess A Carrier 14 Projection B e Install the Carrier 14 Assemble so that recess A on the Lock Ring 12 is aligned with projection B on the Carrier 14 Be careful of the direction Then make sure that the f...

Page 17: ...ssembled in step 3 e See Fig 7 i Note the direction of the groove when installing the Slide Ring Gear 20 so that the groove faces toward the Motor 28 ii Install Washer B 26 in the Rear Case 17 with the projections of Washer B 26 engaged with the recesses in the Rear Case 17 and turn Washer B 26 clockwise until it can turn no further See Fig 11 Fig 11 Recess Projection 26 Projection ...

Page 18: ...12 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 12 Mount the Cap 4 aligning the ridge of the Click Spring 5 with the three projections of the Nut 6 Fig 12 Click Spring 5 Marki...

Page 19: ...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 14 4 Installation of the assembly reassembled in step 3 into Housing A B Set 32 a Install the Pushing Button 36 into Housing B 32 See Fig 15 b Install ...

Page 20: ...LRG N W O Chuck Wrench 2 Also make sure that the turning speed of the Drill Chuck 13VLRG N W O Chuck Wrench 2 switches between HIGH and LOW by switching over the Shift Knob 38 Switch on and off the Model DS 12DVB using the battery Then turn the Drill Chuck 13VLRG N W O Chuck Wrench 2 by hand in forward and reverse direction to check that the spindle lock properly works in either direction within a...

Page 21: ...12DVB Work Flow Housing A B Set Motor Cap DC Speed Control Switch Nut Shift Arm 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 60 50 Spring Keyless Chuck General Assembly ...

Page 22: ...ELECTRIC TOOL PARTS LIST LIST NO CORDLESS DRIVER DRILL Model DS 12DVB 2002 5 30 E1 F872 ...

Page 23: ...S 3 25 319 752 FIRST RING GEAR 1 26 312 716 WASHER B 1 27 316 955 MOTOR SPACER 1 28 320 931 MOTOR 1 29 313 687 TAPPING SCREW W FLANGE D3X16 BLACK 7 30 NAME PLATE 1 31 958 523 MACHINE SCREW W SP WASHER M4X8 2 31 317 333 MACHINE SCREW W SP WASHER M4X6 2 FOR NZL AUS USA CAN 32 320 930 HOUSING A B SET 1 33 320 159 INTERNAL WIRE BLACK 160L 1 33 319 759 INTERNAL WIRE BLACK 100L 1 FOR NZL AUS USA CAN 34 ...

Page 24: ...DE NO DESCRIPTION REMARKS NO USED STANDARD ACCESSORIES 5 02 DS 12DVB 501 CHARGER MODEL UC 14YF2 1 501 CHARGER MODEL UC 24YFA 1 502 983 006 DRIVER BIT NO 2 65L 1 502 318 236 DRIVER BIT NO 2 55L 1 FOR NZL AUS USA CAN 503 320 875 CASE 1 ...

Page 25: ... 4 ITEM NO CODE NO DESCRIPTION REMARKS NO USED 5 02 DS 12DVB Printed in Japan 020530N ...

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