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Hitachi DS 12DVB Technical Data And Service Manual

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

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  • Page 1 MODEL DS 12DVB POWER TOOLS TECHNICAL DATA CORDLESS DRIVER DRILL SERVICE MANUAL DS 12DVB LIST No. F872 May 2002 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: Competitors Symbols Utilized Model Name Company Name 6316DW MAKITA DEWALT DW972K...

  • Page 3: Table Of Contents

    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 Assembly Diagram for DS 12DVB...

  • Page 4: Product Name

    2. MARKETING OBJECTIVE The Model DS 12DVB cordless driver drill is a redesign of the current Model DS 13DV2. The Model DS 12DVB is equipped with the housing with large soft grip to freshen up the styling and to improve the operability as well as the conventional spindle lock mechanism and 22-stage clutch.

  • Page 5: Selling Point Descriptions

    4-1. Selling Point Descriptions 4-1-1. 22-position adjustable torque setting The number of clutch positions has been increased from the previous five to twenty-two to ensure finer torque setting than that of previous model, and therefore, the operability has been significantly improved. (See Fig. 1.) Torque (N m) (kgf •...

  • Page 6: Specifications

    5. SPECIFICATIONS Capacity Screwdriver Machine screw 6 mm (1/4") • • • • • • • • 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 7: Comparisons With Similar Products

    6. COMPARISONS WITH SIMILAR PRODUCTS Maker HITACHI DS 13DV2 Model name DS 12DVB Not indicated Machine screw 6 mm (1/4") 6 mm (1/4") Not indicated Screwing 8 dia. x 38 mm Wood screw 6.8 dia. x 50 mm Not indicated Not indicated (#20 x 1-1/2")

  • Page 8: Working Performance Per Single Charge

    Remarks*1 Number of holes or fasteners per charge The above table shows an example of test data. The batteries used in this test are as follows: Models DS 12DVB, DS 13DV2 and P: 2.0 Ah C: 2.6 Ah Figures in parentheses ( ) indicate the values for a 2.0 Ah battery.

  • Page 9: Precautions In Sales Promotion

    8-1. Safety Instructions In the interest of promoting the safest and most efficient use of the Model DS 12DVB 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 10 Ensure that all customers understand that Type EB 1214L, EB 1220BL, EB 1222HL or EB 1230HL Storage Battery should 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.

  • Page 11: Inherent Drawbacks Of Cordless Driver Drills Requiring Particular Attention During Sales Promotion

    (6) Precautions in the use of HSS Drill Bits Although the Model DS 12DVB is designed for drilling capacities of 32 mm (1-1/4") in wood, and 13 mm (1/2") in aluminum and mild steel, this capability is not as efficient as conventional electric power tools.

  • Page 12: Reference Materials

    Please instruct the customers to avoid continuous use of the Model DS 12DVB and take a pause about 15 minutes after a single charge operation as a guide.

  • Page 13: 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 12DVB. 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 14 (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 15 (b) Pay attention to the polarity of the Motor [28] when soldering Internal Wires [33] and [34] to the Motor [28]. The red-marked side of the Motor [28] is positive. (See Fig. 6.) (c) Apply grease (Hitachi Motor Grease No. 29, Code No. 930035 is recommended) to the pinion press-fitted on the Motor [28] shaft.
  • Page 16 (3) Reassembly of the gear unit (a) Apply grease approx. 1.2 g (Hitachi Motor Grease No. 29, Code No. 930035) to the shaded portion in the Front Case [9]. (See Fig. 8.) (NOTE) Be sure to apply grease to the shaded portion in the Front Case [9]. Otherwise, the spindle lock may not work properly.
  • Page 17 Flat plane of the spindle Flat plane of the Carrier [14] Flat plane of the Carrier [14] Fig. 10 (f) Install the Ring Gear [13] and Washer (B) [26] of Planet Gear (C) Set [15] into the assembly reassembled 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 18 (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.
  • Page 19 (j) Install the Shift Knob [38] into the assembly reassembled in step (i). When installing the Shift Knob [38] into the Shift Arm [19], note that the "LOW" mark on the Shift Knob [38] faces the Motor [28] with the Shift Arm [19] engaged with the recess in the Shift Knob [38]. (k) Install the assembly reassembled in step (1) and the assembly reassembled in step (j) together.

  • Page 20: Precautions In Disassembly And Reassembly Of Battery Charger

    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 half rotation.

  • Page 21: Standard Repair Time (Unit) Schedules

    11. STANDARD REPAIR TIME (UNIT) SCHEDULES Variable MODEL Fixed Work Flow DS 12DVB General Assembly Housing Spring (A).(B) Set Keyless Chuck Motor DC-Speed Control Switch Shift Arm (Gear Box Ass'y) Front Case Ring Gear Carrier First Ring Gear Planet Gear...
  • Page 22 LIST NO. F872 ELECTRIC TOOL PARTS LIST CORDLESS DRIVER DRILL 2002 • • Model DS 12DVB (E1)
  • Page 23 PARTS DS 12DVB 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 INCLUD.4-27 319-755 319-754 CLICK SPRING 319-743 319-742 SPRING 319-741 THRUST WASHER 320-927 FRONT CASE...

  • Page 24: Standard Accessories

    STANDARD ACCESSORIES DS 12DVB ITEM CODE NO. DESCRIPTION REMARKS USED CHARGER (MODEL UC 14YF2) CHARGER (MODEL UC 24YFA) 983-006 + DRIVER BIT NO.2 65L 318-236 + DRIVER BIT NO.2 55L 1 FOR NZL,AUS,USA,CAN 320-875 CASE 5 -- 02 * ALTERNATIVE PARTS...
  • Page 25 DS 12DVB ITEM CODE NO. DESCRIPTION REMARKS USED - - - 4 - - - Printed in Japan 5 -- 02 (020530N)

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