Hitachi DB 3DL2 Technical Data And Service Manual
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Hitachi DB 3DL2 Technical Data And Service Manual

3.6 v cordless driver drill
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PRODUCT NAME
Hitachi 3.6 V Cordless Driver Drill
DB 3DL2
Model
MARKETING OBJECTIVE
The Model DB 3DL2 is a cordless driver drill equipped with a 3.6 V lithium-ion battery. The Model DB 3DL2 has
the following main features:
(1) Built-in verdischarge protection circuit and overcurrent protection circuit
(2) Equipped with newly developed lithium-ion battery (3.6 V, 1.5 Ah) that can be fully charged in 30 minutes.
(3) Flexibly changeable handle between L shape and straight shape
(4) Lightweight and compact
(5) White LED light
(6) Manual tightening mechanism. Screws are easily tightened manually thanks to the comfortable handle shape
and soft grip.
We aim to expand our market share with the new Model DB 3DL2.
APPLICATIONS
• Constructing electric facilities, assembling machines and servicing
• Tightening and loosening wood screws and machine screws
• Drilling into plastic and mild steel
SELLING POINTS
[NEW FEATURES]
Built-in verdischarge protection circuit and
overcurrent protection circuit
Lightweight and compact
White LED light
[SAME FEATURES AS THE CONVENTIONAL MODELS]
Equipped with lithium-ion battery
Flexibly changeable handle
Soft-grip handle
Manual tightening mechanism
21-stage clutch
Lock button
Blow-molded case
SPECIFICATIONS AND PARTS ARE SUBJECT TO CHANGE FOR IMPROVEMENT
LIST No. H870
June 2010
International Sales Division
D

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  • Page 1 DB 3DL2 Model MARKETING OBJECTIVE The Model DB 3DL2 is a cordless driver drill equipped with a 3.6 V lithium-ion battery. The Model DB 3DL2 has the following main features: (1) Built-in verdischarge protection circuit and overcurrent protection circuit (2) Equipped with newly developed lithium-ion battery (3.6 V, 1.5 Ah) that can be fully charged in 30 minutes.
  • Page 2 REMARK: • For more information about HANDLING INSTRUCTIONS, visit our website at: http://www.hitachi-koki.com/manual_view_export/ • 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:...

  • Page 3: Table Of Contents

    2. Inherent Drawbacks of Cordless Driver Drills Requiring Particular Attention during Sales Promotion -------------------------------------------------------------------------------------------------- 8 REPAIR GUIDE---------------------------------------------------------------------------------------------------------------- 10 1. Precautions on Disassembly and Reassembly --------------------------------------------------------- 10 2. Precautions on Disassembly and Reassembly of the Battery Charger --------------------------- 18 STANDARD REPAIR TIME (UNIT) SCHEDULES-------------------------------------------------------------------- 19 Assembly Diagram for DB 3DL2...

  • Page 4: Selling Points

    134 mm White LED light The Model DB 3DL2 is equipped with a white LED light at the tip. This light can be used regardless of the handle shape (L shape or straight shape). • The light lights when the light switch is pushed.
  • Page 5 The Model DB 3DL2 can be used as a manual screwdriver. If a screw cannot be completely tightened with the clutch setting, power off the Model DB 3DL2 and use it as a manual screwdriver by simply turning its main body (maximum manual tightening torque: 5N·m {51 kgf·cm}).
  • Page 6 21-stage clutch The torque can be finely adjusted by the 21-stage clutch. • The tightening torque of this unit can be adjusted according to the clutch dial position, at which the clutch dial is set. see HANDLING INSTRUCTIONS Clutch dial Triangle mark Drill mark Lock button...

  • Page 7: Specifications

    Main body (including Type EBM 315 battery) -------------- 0.4 kg (0.9 Ibs.) Weight Charger unit (including cord) ----------------------------------- 0.3 kg (0.7 Ibs.) Gross DB 3DL2 (2LCSK) (including Type EBM 315 battery) --- 1.8 kg (4.0 Ibs.) • Charger (UC 3SFL) ---------------------------------------------------------------1 • Battery (Type EBM 315) ---------------------------------------------------------2 Standard accessories •...

  • Page 8: Comparison With Similar Products

    COMPARISON WITH SIMILAR PRODUCTS 1. Comparison of Specifications (Superior specifications: Maker HITACHI Model DB 3DL2 Item Drilling Mild steel ø 5 mm (13/64") Not indicated Wood screw 3.8 mm dia. x 38 mm (#8 x 1-1/2") Not indicated Screw driving Machine screw M 5 (1/5")

  • Page 9: Comparison Of Drilling And Fastening Performance Per Charge

    Working capacity Drilling speed 1000 Type of work Maker Model (sec./pc.) T1.0 (3/64") Mild steel HITACHI DB 3DL2 HSS drill bit <High speed> Wood screw 38 mm (1-1/2") HITACHI DB 3DL2 American pine <Low speed> 8 mm (5/16”) Machine screw...

  • Page 10: Precautions On Sales Promotion

    1. Safety Instructions In the interest of promoting the safest and most efficient use of the Model DB 3DL2 Cordless Driver Drill by all of our customers, it is very important when concluding a sale that the salesperson carefully ensure that the buyer seriously recognizes the importance of the Handling Instructions, and fully understands the meaning of precautions listed on the Caution Plate and Name Plate attached to each tool.

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

    Ensure that all customers understand that Type EBM 315 storage battery should be returned to the Hitachi power tool sales outlet or authorized service center when 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 12 (5) Variation in amount of work possible per charge Although the nominal chargeable capacity of the storage battery used with the Model DB 3DL2 is 1.5 Ah, the actual capacity may vary within 10% of that value depending on ambient temperature during use and charging, and the number of times the batteries have been recharged.

  • Page 13: Repair Guide

    1. Precautions on Disassembly and Reassembly [Bold] numbers in the descriptions below correspond to item numbers in the Parts List and exploded assembly diagram for the Model DB 3DL2. Disassembly 1. Removal of Handle (A).(B) Set (1) Removal of the Clip [49] (2 pcs.).
  • Page 14 (2) Removal of Guide Sleeve (A) [6] Remove the Retaining Ring [3], Washer (D) [4], Guide Spring [5] and Guide Sleeve (A) [6] in order by following the procedure shown in Fig. 1-1 to 1-4. Then slowly raise the other side of the retaining ring with the small flat-blade screwdriver until it is free. Avoid quickly raising the retainer ring or it may fly out forcefully.
  • Page 15 Reassembly Conduct reassembly by reversing the disassembly procedures. However, special attention should be given to the following items. 1. Reassembly of the power supply unit • Perform wiring according to the wiring diagram Switch (W/Lock) [41] Printed Circuit Board [45] Terminal [46] 2.
  • Page 16 4. Reassembly of the deceleration mechanism (1) Apply a sufficient amount of 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.
  • Page 17 5. Reassembly of the drive unit (1) Pay attention to the mounting direction of the Motor DC 3.6V [31] and Switch (W/Lock) [41]. Insert the red marked terminal of the Motor DC 3.6V [31] into the terminal on the lock switch side of the Switch (W/Lock) [41].
  • Page 18 (1) Mount the Click Spring [40] to Housing (A).(B) Set [33] so that the convex portion of the Click Spring [40] can be seen. Apply grease (Hitachi Motor Grease No. 29) to the Click Spring [40]. • Mount the click spring Housing (A).(B) Set [33]...
  • Page 19 (4) Close Housing (A).(B) Set [33] and mount the Handle Cover [39]. Tighten the four Pan Hd. Tapping Screw D3 x 8 [34]. (5) Mount the two Click Plate [37] to Housing (A).(B) Set [33] and apply grease (Hitachi Motor Grease No. 29). -16-...
  • Page 20 (6) Check for proper operation of the Clutch Dial [7]. When the reassembly procedure is completed up to step (5), ensure that every indication on the Clutch Dial [7] from number "1" to the drill mark " " can be aligned with the triangle mark on Housing (A).(B) Set [33], respectively, and that the Clutch Dial [7] turns moderately.

  • Page 21: Precautions On Disassembly And Reassembly Of The Battery Charger

    10. Other precautions on reassembly After completing reassembly, set the storage battery and check for operation. (1) Check the rotating direction of Guide Sleeve (A) [6]. Press the (R) side of the Switch (W/Lock) [41] to check that Guide Sleeve (A) [6] rotates clockwise as viewed from behind.

  • Page 22: Standard Repair Time (Unit) Schedules

    STANDARD REPAIR TIME (UNIT) SCHEDULES Variable MODEL 60 min. Fixed Work Flow Housing (A).(B) Set DB 3DL2 General assembly Motor Housing Shift Knob (A).(B) Set Switch Click Plate Gear Box Ass'y Clutch Dial Guide Spring Sleeve Set Gear Case Shift Arm...
  • Page 23 LIST NO. H870 CORDLESS DRIVER DRILL 2010 6 14 Model DB 3DL2 (E1)
  • Page 24 PARTS DB 3DL2 ITEM ITEM CODE NO. CODE NO. DESCRIPTION REMARKS USED USED 332-759 GEAR BOX ASS'Y INCLUD. 3-30 332-758 GEAR BOX ASS'Y INCLUD. 3-30 FOR CHN, SIN, VIE 320-085 GUIDE SLEEVE SET INCLUD. 3-6, 11 315-984 RETAINING RING 315-983...
  • Page 25 PARTS DB 3DL2 ITEM CODE NO. DESCRIPTION REMARKS USED 326-263 BATTERY EBM 315 (USA, CAN) 330-757 BATTERY EBM 315 (CHN) 326-318 CLIP 332-752 HANDLE (A). (B) SET (GREEN) 332-588 HANDLE (A) (B) SET (BLACK) 6 - 10 - 3 -...

  • Page 26: Standard Accessories

    STANDARD ACCESSORIES DB 3DL2 ITEM CODE NO. DESCRIPTION REMARKS USED 992-671 + DRIVER BIT (B) NO. 2 50L 983-006 + DRIVER BIT NO. 2 65L FOR CHN, SIN, VIE CHARGER (MODEL UC 3SFL) 332-844 CASE OPTIONAL ACCESSORIES ITEM CODE NO.

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