Hitachi DB 3DL Technical Data & Service Manual
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Hitachi DB 3DL Technical Data & Service Manual

Cordless driver drill hitachi db 3dl
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MODEL
DB 3DL
Hitachi
Power Tools
D
TECHNICAL DATA
CORDLESS DRIVER DRILL
AND
DB 3DL
SERVICE MANUAL
LIST No.: G857
Sep. 2006
SPECIFICATIONS AND PARTS ARE SUBJECT TO CHANGE FOR IMPROVEMENT
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Summary of Contents for Hitachi DB 3DL

  • Page 1 MODEL DB 3DL Hitachi Power Tools TECHNICAL DATA CORDLESS DRIVER DRILL DB 3DL SERVICE MANUAL LIST No.: G857 Sep. 2006 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 Company Name Model Name DeWalt DC600KA...

  • Page 3: Table Of Contents

    During Sales Promotion ......................10 9. REPAIR GUIDE ........................... 12 9-1. Precautions in Disassembly and Reassembly ................12 9-2. Precautions in Disassembly and Reassembly of Battery Charger ..........20 10. STANDARD REPAIR TIME (UNIT) SCHEDULES ..............21 Assembly Diagram for DB 3DL...

  • Page 4: Product Name

    Hitachi 3.6 V Cordless Driver Drill, Model DB 3DL 2. MARKETING OBJECTIVE The Model DB 3DL is a cordless driver drill equipped with a 3.6-V lithium-ion battery. The Model DB 3DL has the following main features: (1) Equipped with the newly developed lithium-ion battery (3.6 V, 1.5 Ah). This battery can be fully charged in 30 minutes.

  • Page 5: Selling Points

    4. SELLING POINTS Equipped with the new lithium-ion battery 3.6 V, 1.5 Ah Terminal cover is closed automatically to prevent improper short circuit. Flexibly changeable handle The handle is flexibly changeable between L shape and straight shape for various applications. Lightweight and compact Yellow LED light Easy to handle thanks to the...

  • Page 6: Selling Point Descriptions

    The handle is flexibly changeable between L shape and straight shape for various applications. 4-1-4. Yellow LED light The Model DB 3DL is equipped with a yellow LED light at the tip. It is usable regardless of the handle shape, either L shape or straight shape.
  • Page 7 The Model DB 3DL is usable as a manual screwdriver. When a screw cannot be tightened completely with the clutch setting, power off the Model DB 3DL and use it as a manual screwdriver by turning the main body (maximum manual tightening torque: 5 N m {51 kgf cm}).

  • Page 8: Specifications

    • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • Gross DB 3DL (2MSK) (including Type EBM 315 battery) 1.8 kg (4.0 Ibs.) •...

  • Page 9: Comparisons With Similar Products

    6. COMPARISONS WITH SIMILAR PRODUCTS Maker HITACHI Model name DB 3DL 5 mm (1/5") Not indicated Machine screw Screw driving Wood screw 3.5 mm dia. x 20 mm (#6 x 25/32") Not indicated Drilling Mild steel 2 mm (5/64") Not indicated Rotation speed (/min.)

  • Page 10: Working Performance Per Single Charge

    Type of work Model name speed Maker *500 *750 *1000 *250 (sec./pc.) HITACHI DB 3DL < High speed> DB 3DL HITACHI < Low speed> *1000 HITACHI DB 3DL *760 < High speed> *: Number of machine screws fastened per charge *1: Number of holes or fasteners per charge The above table shows an example of test data obtained using the battery which is standard for this tool.

  • Page 11: Precautions In Sales Promotion

    8-1. Safety Instructions In the interest of promoting the safest and most efficient use of the Model DB 3DL 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 12 (9) Disposal of the storage battery (Type EBM 315) Ensure that all customers understand that Type EBM 315 storage battery should 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.

  • Page 13: Inherent Drawbacks Of Cordless Driver Drills Requiring Particular Attention During Sales Promotion

    (6) Precautions in the use of HSS drill bits For example, although the Model DB 3DL is designed for drilling capacities of 2 mm (5/64") in mild steel, this capability is not as efficient as conventional electric power tools. In particular, the drill tends to become locked when the drill bit penetrates through the material.
  • Page 14 B. Suggestions and precautions for the efficient use of the charger and storage battery If the Type EBM 315 storage battery is exposed to direct sunlight for an extended period or if the tool has just been operated for a long time, charging may not be possible if the temperature of the battery is above 40ûC (104ûF).

  • Page 15: Repair Guide

    (2) Removal of Housing (A).(B) Set [32] Remove the two Click Plates [35], Hitachi Label [38], Pan Hd. Tapping Screw D3 x 8 [33] and Handle Cover [43]. Since there are latches in Housing (A).(B) Set [32], it is hard to open. Open Housing (A).(B) Set [32] from the Shift Knob [39] side.
  • Page 16 (4) Disassembly of the gear unit (a) Removal of the gear Take out Washer (A) [28], First Ring Gear [27], Planet Gear (A) Set (3 pcs.) [26], Pinion (B) [25], Slide Ring Gear [24], Planet Gear (B) Set (3 pcs.) [23] and Pinion (C) [22] one by one. Then remove the two Needles [17] from the Gear Case [11].
  • Page 17 (5) Disassembly of the power supply unit Remove the Terminal [44] from the Terminal Support [46]. The internal wires of the Switch (W/Lock) [40] and the Printed Circuit Board [41] are soldered to the Terminal [44]. Unsolder and remove the internal wires. NOTE: Do not remove the Printed Circuit Board [41] from the Switch (W/Lock) [40].
  • Page 18 (2) Reassembly of the clutch unit (a) Mount Washer (D) [9] and the Spring [8] to the Gear Case [11]. (b) Mount the Nut [7] to the Gear Case [11]. (See Fig. 4.) Align the register mark (i) on the Nut [7] with the register mark on the Gear Case [11]. Turn the Nut [7] about 1-1/12 turns clockwise so that the register mark (ii) on the Nut [7] is aligned with the register mark on the Gear Case [11].
  • Page 19 (4) Reassembly of the deceleration mechanism (a) Apply grease (Hitachi Motor Grease No. 29) to the engaging portions of each gear and the needle roller unit, and the contacting surfaces of the steel balls of the ring gear properly. (b) Mount the parts from the Pin Set (3 pcs.) [13] to Washer (A) [28] to the part assembled in the following (2) in order.
  • Page 20 [11] [12] Convex portion [30] [31] Red mark [29] [40] Fig. 8 (c) Mount the Shift Arm [12] to the Shift Knob [39] by pushing the Shift Arm [12] in the groove of the Shift Knob [39] completely with a small flat-blade screwdriver. Insert the end of the Shift Arm [12] into the hole of the Gear Case [11] and fit it in the groove of the Slide Ring Gear [24].
  • Page 21 (a) Mount the Click Spring [42] to Housing (A). (B) Set [32] so that the convex portion of the Click Spring [42] can be seen. Apply grease (Hitachi Motor Grease No. 29) to the Click Spring [42]. (See Fig. 11.)
  • Page 22 (d) Close Housing (A).(B) Set [32] and mount the Handle Cover [43]. Tighten the four Pan Hd. Tapping Screws D3 x 8 [33]. (e) Mount the two Click Plates [35] to Housing (A).(B) Set [32] and apply grease (Hitachi Motor Grease No. 29).

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

    Printed Circuit Board [41] Button [45] Terminal Support [46] Terminal [44] Fig. 15 (9) Mounting Guide Sleeve (A) [5] Put the Steel Ball D3.5 (10 pcs.) [10] in the hole of the Push down. socket. Mount Guide Sleeve (A) [5], Guide Spring [4] and Washer (D) [3] in sequence.

  • Page 24: Standard Repair Time (Unit) Schedules

    10. STANDARD REPAIR TIME (UNIT) SCHEDULES Variable MODEL Fixed Work Flow DB 3DL Housing (A).(B) Set General Assembly Handle (A). (B) Motor Shift Knob Click Plate Switch Gear Box Ass'y Clutch Dial Guide Sleeve Spring Gear Case Shift Arm Lock Ring...
  • Page 25 Hitachi Power Tools LIST NO. G857 ELECTRIC TOOL PARTS LIST CORDLESS DRIVER DRILL 2006 • • Model DB 3DL (E1)
  • Page 26 PARTS DB 3DL ITEM CODE NO. DESCRIPTION REMARKS USED 326-348 GEAR BOX ASS’Y INCLUD. 2-28, 30 315-984 RETAINING RING 315-983 WASHER (D) 320-409 GUIDE SPRING 319-921 GUIDE SLEEVE (A) 326-342 CLUTCH DIAL 326-341 326-340 SPRING 326-339 WASHER (D) 319-535 STEEL BALL D3.5 (10 PCS.)

  • Page 27: Standard Accessories

    STANDARD ACCESSORIES DB 3DL ITEM CODE NO. DESCRIPTION REMARKS USED 992-671 + DRIVER BIT (B) NO. 2 50L CHARGER (MODEL UC 3SFL) 326-346 CASE OPTIONAL ACCESSORIES ITEM CODE NO. DESCRIPTION REMARKS USED 326-665 HOLSTER 992-670 + DRIVER BIT (B) NO. 1 50L 992-672 + DRIVER BIT (B) NO.
  • Page 28 DB 3DL ITEM CODE NO. DESCRIPTION REMARKS USED --- 4 --- Printed in Japan 9 -- 06 (060915N)

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