Hitachi DS 12DVB2 Technical Data And Service Manual
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Hitachi DS 12DVB2 Technical Data And Service Manual

Hitachi DS 12DVB2 Technical Data And Service Manual

Cordless driver drill
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MODEL
DS 12DVB2
Hitachi
Power Tools
D
TECHNICAL DATA
AND
CORDLESS DRIVER DRILL
SERVICE MANUAL
DS 12DVB2
LIST No. G804
Apr. 2004
SPECIFICATIONS AND PARTS ARE SUBJECT TO CHANGE FOR IMPROVEMENT

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Summary of Contents for Hitachi DS 12DVB2

  • Page 1 MODEL DS 12DVB2 Hitachi Power Tools TECHNICAL DATA CORDLESS DRIVER DRILL SERVICE MANUAL DS 12DVB2 LIST No. G804 Apr. 2004 SPECIFICATIONS AND PARTS ARE SUBJECT TO CHANGE FOR IMPROVEMENT...
  • Page 2 REMARK: Throughout this TECHNICAL 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: Competitor Symbol Utilized Model Name Company Name 6317D MAKITA...

  • Page 3: Table Of Contents

    9-1. Speed Control Mechanism ....................... 11 10. REPAIR GUIDE ..........................12 10-1. Precautions in Disassembly and Reassembly ................12 10-2. Precautions in Disassembly and Reassembly of Battery Charger ..........20 11. STANDARD REPAIR TIME (UNIT) SCHEDULES................. 21 Assembly Diagram for DS 12DVB2...

  • Page 4: Product Name

    1. PRODUCT NAME Hitachi 12 V Cordless Driver Drill, Model DS 12DVB2 2. MARKETING OBJECTIVE The current Model DS 12DVB is popular as a professional-use 12 V cordless driver drill. However, about two years have already passed since the sales start. To cope with this situation, the model is upgraded to the more convenient Model DS 12DVB2 equipped with an advanced case.

  • Page 5: Selling Point Descriptions

    4-1. Selling Point Descriptions 4-1-1. 22-position adjustable torque setting The torque can be set finely thanks to the adoption of the 22 clutch positions to improve the operability. Torque (N m) (kgf Adjustable torque is about 2 kgf at each click within the torque range of 10 --- 60 kgf Clutch position Fig.
  • Page 6 4-1-5. Advanced case The new case satisfies the following demands. Compact and sturdy Refined two-tone body design Excellent accommodation (Stored many accessories such as torchlight, bit set, extra batteries, long bit and various bits) --- 3 ---...

  • Page 7: Specifications

    5. SPECIFICATIONS Screwdriver Machine screw 6 mm (1/4") Capacity • • • • • • • • Wood screw 8 dia. x 38 mm (#20 x 1-1/2") • • • • • • • • • • • • Drill Metal Mild steel 13 mm (1/2") [Thickness 1.6 mm (1/16")] •...

  • Page 8: Comparisons With Similar Products

    6. COMPARISONS WITH SIMILAR PRODUCTS Maker HITACHI Model DS 12DVB2 Machine screw 6 mm (1/4") 13 mm (1/2") Screwing 8 mm dia. x 38 mm 6 mm dia. x 75 mm Wood screw (#20 x 1-1/2") (1/4" x 3") Mild steel 13 mm (1/2")

  • Page 9: Working Performance Per Single Charge

    Remark*1 Number of holes or fasteners per charge The above table shows an example of test data. The batteries used in this test data are as follows: Model DS 12DVB2 and C: 2.0 Ah The figures in parentheses ( ) indicate the values for a 2.6-Ah battery.

  • Page 10: Precautions In Sales Promotion

    8-1. Safety Instructions In the interest of promoting the safest and most efficient use of the Model DS 12DVB2 Cordless Driver Drill by all of our customers, it is very important that at the time of sale, the salesperson carefully ensures that the buyer seriously recognizes the importance of the contents of the Handling Instructions, and fully understands the meaning of the precautions listed on the Caution Plate and Name Plate attached to each tool.
  • Page 11 (7) Do not attempt to disassemble the Storage Battery or the Charger. Special devices, such as a thermostat, are built into the storage battery and charger to permit rapid charging. Incorrect parts replacement and/or wiring will cause malfunctions which could result in fire or other hazards. Instruct the customer to bring these units to an authorized service center in the event repair or replacement is necessary.

  • Page 12: Inherent Drawbacks Of Cordless Driver Drills Requiring Particular Attention During Sales Promotion

    (5) Variation in amount of work possible per charge Although the nominal chargeable capacity of the storage batteries used with the Model DS 12DVB2 is 2.0 Ah, or 2.2 Ah, the actual capacity may vary within 10% of that value depending on the ambient temperature during use and charging, and the number of times the batteries have been recharged.
  • Page 13 Please instruct the customers to avoid continuous use of the Model DS 12DVB2 and take a pause about 15 minutes after a single charge operation as a guide.

  • Page 14: Reference Materials

    9. REFERENCE MATERIALS 9-1. Speed Control Mechanism Spindle rotation speed of the Model DS 12DVB2 can be controlled by simply varying the amount by which the trigger switch is depressed. The relationship between the amount the trigger switch is depressed (in millimeters) and 60 5 the rotation speed is illustrated in Fig.

  • Page 15: Repair Guide

    10-1. Precautions in Disassembly and Reassembly The [Bold] numbers in the description below correspond to the item numbers in the Parts List and exploded assembly diagram for the Model DS 12DVB2. 10-1-1. Disassembly (1) Removal of the Drill Chuck 13VLRG-N (W/O Chuck Wrench) [2] (See Fig. 4.) Remove the Drill Chuck 13VLRG-N (W/O Chuck Wrench) [2] of the fully assembled main body in accordance with the following procedures.
  • Page 16 (4) Disassembly of the gear unit (a) Remove the Cap [4] from the Front Case [9]. Take care not to remove the Nut [6] from the Front Case [9] in this operation. (b) Turn the Motor [28] counterclockwise when viewed from the rear and remove it from the Rear Case [17]. (c) Remove the Shift Arm [19] from the Rear Case [17], and remove the Shift Knob [38] from the Shift Arm [19].
  • Page 17 10-1-2. Reassembly Reassembly can generally be carried out as the reverse of the disassembly procedure, with some items to be noted as follows. (1) Reassembly of the power supply unit (a) Be sure to perform wiring connections as indicated in the wiring diagram. (See Fig. 5.) Motor [28] Motor Spacer [27] Internal Wire (Red) [34]...
  • Page 18 (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.) [10] [11] [12] [13] [14] [15]...
  • Page 19 Flat plane of the Lock Ring [12] Carrier [14] Recess (A) Front Case [9] Projection (B) Fig. 9 (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 flat plane of the spindle faces the flat plane of the Carrier [14].
  • Page 20 (f) Install the Ring Gear [13] and Washer (B) [26] of Planet Gear (C) Set [15] into the assembly assembled 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].
  • Page 21 (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].
  • Page 22 (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 the assembly reassembled in step (3) into Housing (A) [32]. Note that the projections on the Front Case [9] and the Motor Spacer [27] are engaged in the recesses in Housing (A) [32], and the projection on Housing (A) [32] is engaged in the groove of the Cap [4].

  • Page 23: Precautions In Disassembly And Reassembly Of Battery Charger

    (b) The tightening torque of each screw is given below. Special Screw (Left Hand) M6 x 23 [1] : 2.9 --- 3.9 N m (30 --- 40 kgf cm, 26.1--- 34.8 in-lbs.) • • Drill Chuck 13VLRG-N (W/O Chuck Wrench) [2] : 17.7 --- 21.6 N m (180 --- 220 kgf cm, 156 --- 191 in-lbs.)

  • Page 24: Standard Repair Time (Unit) Schedules

    11. STANDARD REPAIR TIME (UNIT) SCHEDULES Variable MODEL Fixed Work Flow DS12DVB2 Housing (A).(B) Set Motor DC-Speed Control Switch Hook Ass'y Shift Knob General Assembly Gear Box Ass'y Drill Chuck (W/O Chuck Click Spring Wrench) Spring Front Case Lock Ring or Space Washer Ring Gear Carrier...
  • Page 25 Hitachi Power Tools LIST NO. G804 ELECTRIC TOOL PARTS LIST CORDLESS DRIVER DRILL 2004 • • Model DS 12DVB2 (E1)
  • Page 26 PARTS DS 12DVB2 ITEM CODE NO. DESCRIPTION REMARKS USED 311-959 SPECIAL SCREW (LEFT HAND) M6X23 320-684 DRILL CHUCK 13VLRG-N (W/O CHUCK WRENCH) 320-926 GEAR BOX ASS’Y 1 INCLUD. 4-27 319-755 319-754 CLICK SPRING 319-743 319-742 SPRING 319-741 THRUST WASHER 320-927...

  • Page 27: Standard Accessories

    STANDARD ACCESSORIES DS 12DVB2 ITEM CODE NO. DESCRIPTION REMARKS USED CHARGER (MODEL UC 14YFA) 983-006 + DRIVER BIT NO.2 65L 318-236 + DRIVER BIT NO.2 55L 1 FOR USA, CAN, AUS, NZL 322-609 CASE 4 -- 04 * ALTERNATIVE PARTS...
  • Page 28 DS 12DVB2 ITEM CODE NO. DESCRIPTION REMARKS USED - - - 4 - - - Printed in Japan 4 -- 04 (040420N)

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