Hitachi DV 14DCL2 Service Manual
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Hitachi DV 14DCL2 Service Manual

Cordless impact driver drill
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PRODUCT NAME
Hitachi 14.4 V Cordless Impact Driver Drill
DV 14DCL2, DV 14DVC2
Models
Hitachi 18 V Cordless Impact Driver Drill
DV 18DCL2, DV 18DVC2
Models
MARKETING OBJECTIVE
The Models DV 18DCL2 and DV 14DCL2 are cordless impact driver drills equipped with an 18 V and 14.4 V
lithium-ion battery, respectively. The Models DV 18DVC2 and DV 14DVC2 are cordless impact driver drills
equipped with an 18 V and 14.4 V Ni-Cd battery, respectively. Vigorous sales promotion and expanded market
share are anticipated with the introduction of the new Models DV 18DCL2, DV 18DVC2, DV 14DCL2 and DV
14DVC2. The key features of the Models DV 18DCL2, DV 18DVC2, DV 14DCL2 and DV 14DVC2 are as follows:
(1) Improved overload durability
(2) 22-position torque adjustable clutch (Max. clutch torque: 6.0 N
(3) Equipped with safe and secure lithium-ion battery or new Ni-Cd battery
We aim to expand our market share with the new Models DV 18DCL2, DV 18DVC2, DV 14DCL2 and DV
14DVC2.
APPLICATIONS
• Tightening and loosening wood screws, self-tapping screws and machine screws
• Drilling into wood, plastic, mild steel and aluminum materials
• Drilling into brick and concrete blocks
SELLING POINTS
[NEW FEATURES]
Improved overload durability
(improved cooling efficiency)
22-position torque adjustable clutch
Soft-grip handle
Safe and secure
lithium-ion battery (BCL 1415, BCL 1815),
or new Ni-Cd battery (BCC 1412, BCC 1812)
SPECIFICATIONS AND PARTS ARE SUBJECT TO CHANGE FOR IMPROVEMENT.
m)
•
International Sales Division
LIST Nos.
DV 14DCL2: H866
DV 14DVC2: H868
DV 18DCL2: H867
DV 18DVC2: H869
Jun. 2010
[DV 18DCL2]
D

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Summary of Contents for Hitachi DV 14DCL2

  • Page 1 Models MARKETING OBJECTIVE The Models DV 18DCL2 and DV 14DCL2 are cordless impact driver drills equipped with an 18 V and 14.4 V lithium-ion battery, respectively. The Models DV 18DVC2 and DV 14DVC2 are cordless impact driver drills equipped with an 18 V and 14.4 V Ni-Cd battery, respectively. Vigorous sales promotion and expanded market share are anticipated with the introduction of the new Models DV 18DCL2, DV 18DVC2, DV 14DCL2 and DV 14DVC2.
  • Page 2 The symbol(s) utilized here is(are) as follows: Models DV 18DCL2 and DV 18DVC2 Competitors Symbols Utilized Company Name Model Name RYOBI CDI-1801 Models DV 14DCL2 and DV 14DVC2 Competitors Symbols Utilized Company Name Model Name RYOBI CHI-1442...

  • Page 3: Table Of Contents

    1. Precautions on Disassembly and Reassembly --------------------------------------------------------- 17 2. Precautions on Disassembly and Reassembly of the Battery Charger --------------------------- 25 STANDARD REPAIR TIME (UNIT) SCHEDULES-------------------------------------------------------------------- 26 Assembly Diagram for DV 18DCL2 Assembly Diagram for DV 18DVC2 Assembly Diagram for DV 14DCL2 Assembly Diagram for DV 14DVC2...

  • Page 4: Selling Points

    SELLING POINTS Improved overload durability (improved cooling efficiency) The Models DV 18DCL2, DV 18DVC2, DV 14DCL2 and DV 14DVC2 ensure durability in continuous operation, thanks to of a powerful motor and improved air ducts. • 1.76 N•m {18 kgf•cm} intermittent load test (14.4 V)
  • Page 5 22-position torque adjustable clutch (Max. clutch torque: 6.0 N•m) The 22-position torque adjustable clutch ensures fine torque adjustment for better operability. Clutch dial position Tightening torque 1.0 ± 0.5 N m {10 ± 5 kgf cm } • • 1.7 ± 0.6 N m {17 ±...

  • Page 6: Specifications

    SPECIFICATIONS 1. Specifications Model DV 18DCL2 Item ------------ Screw driving Machine screw 6 mm (1/4") --------------- Wood screw 8 mm dia. x 75 mm (#20 x 3") ------------------------ Drilling Brick 13 mm (1/2") [Depth 30 mm (1-1/4")] Capacity ------- Metal Mild steel 13 mm (1/2") [Thickness 1.6 mm (1/16")] Aluminum...
  • Page 7 Model DV 18DVC2 Item ------------ Screw driving Machine screw 6 mm (1/4") --------------- Wood screw 8 mm dia. x 75 mm (#20 x 3") ------------------------ Drilling Brick 13 mm (1/2") [Depth 30 mm (1-1/4")] Capacity ------- Metal Mild steel 13 mm (1/2") [Thickness 1.6 mm (1/16")] Aluminum 13 mm (1/2") [Thickness 1.6 mm (1/16")] -----------------------...
  • Page 8 Main body unit (including battery) 1.5 kg (3.3 lbs.) ----------------------------------- Charger unit (UC 18YKL, including cord) 0.4 kg (0.9 lb.) Weight -------------------------------------------------------- Gross DV 14DCL2 (2LCKK) - 4.0 kg (8.7 lbs.) ---------------------------------------------------------- Charger (UC 18YKL) ------------------------------------------------------------ Standard Battery (BCL 1415) 2LCKK ----------------------------------------------- Phillips (plus) driver bit (No.
  • Page 9 Model DV 14DVC2 Item ----------- Screw driving Machine screw 6 mm (1/4") ------------- Wood screw 8 mm dia. x 50 mm (#20 x 2") ---------------------- Drilling Brick 13 mm (1/2") [Depth 30 mm (1-1/4")] Capacity ------ Metal Mild steel 13 mm (1/2") [Thickness 1.6 mm (1/16")] Aluminum 13 mm (1/2") [Thickness 1.6 mm (1/16")] ---------------------...

  • Page 10: Comparison With Similar Products

    COMPARISON WITH SIMILAR PRODUCTS 1. Comparison of Specifications (Superior specifications: Maker HITACHI Model DV 18DVC2 DV 18DVC Item Not indicated Machine screw 6 mm (1/4”) 6 mm (1/4”) Screw 8 mm dia. x 75 mm 8 mm dia. x 75 mm...
  • Page 11 (Superior specifications: Maker HITACHI Model DV 18DCL2 DV 18DCL Item Not indicated Machine screw 6 mm (1/4”) 6 mm (1/4”) Screw 8 mm dia. x 75 mm 8 mm dia. x 75 mm driving Wood screw Not indicated (#20 x 3”) (#20 x 3”)
  • Page 12 (Superior specifications: Maker HITACHI Model DV 14DVC DV 14DVC2 Item Not indicated Machine screw 6 mm (1/4”) 6 mm (1/4”) Screw 8 mm dia. x 50 mm 8 mm dia. x 50 mm driving Wood screw Not indicated (#20 x 2”) (#20 x 2”)
  • Page 13 (Superior specifications: Maker HITACHI Model DV 14DCL DV 14DCL2 Item Not indicated Machine screw 6 mm (1/4”) 6 mm (1/4”) Screw 8 mm dia. x 50 mm 8 mm dia. x 50 mm driving Wood screw Not indicated (#20 x 2”) (#20 x 2”)

  • Page 14: Comparison Of Drilling And Fastening Performance Per Charge

    Speed 0 *200 *400 *600 *800 *1,000 (sec./pc.) Mortar 30 mm DV 18DVC2 11.1 DV 18DVC 11.3 HITACHI DV 18DCL2 10.9 DV 18DCL 11.1 Concrete drill bit 10.1 <Forward rotation, high speed, impact drilling> DV 18DVC2 American pine DV 18DVC...
  • Page 15 Speed 0 *200 *400 *600 *800 *1,000 (sec./pc.) DV 14DVC2 Mortar 30 mm DV 14DVC HITACHI DV 14DCL2 DV 14DCL Concrete drill bit <Forward rotation, high speed, impact drilling> DV 14DVC2 American pine DV 14DVC HITACHI DV 14DCL2 DV 14DCL Wood boring <High speed, drilling>...

  • Page 16: Precautions On Sales Promotion

    In the interest of promoting the safest and most efficient use of the Models DV 18DCL2, DV 18DVC2, DV 14DCL2 and DV 14DVC2 Cordless Impact Driver Drills 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 precautions listed on the Caution Plate and Nameplate attached to each tool.
  • Page 17 (8) Disposal of the storage battery Ensure that all customers understand that the storage batteries 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 batteries may explode.

  • Page 18: Inherent Drawbacks Of Cordless Impact Driver Drills Requiring Particular Attention During Sales Promotion

    Although the nominal chargeable capacity of the storage batteries used with the Models DV 18DCL2, DV 18DVC2, DV 14DCL2 and DV 14DVC2 is 1.2 Ah or 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 19 Please instruct customers to avoid continuous use of the Models DV 18DCL2, DV 18DVC2, DV 14DCL2 and DV 14DVC2, and generally take about a 15 minute break following a single charge operation.

  • Page 20: 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 diagrams for the Models DV 18DCL2, DV 18DVC2, DV 14DCL2 and DV 14DVC2. Disassembly 1. Removal of Housing (A).(B) Set First, align the drill mark "...
  • Page 21 Fig. 1 Drill Chuck 13VLRS-N [2] Hexagonal bar wrench Clutch Dial [4] Front Case [15] Slide Ring Gear [25] Shift Arm [24] Rear Case [22] Vise Special repair tool (J-348) 4. Disassembly of the gear unit Remove the Shift Arm [24] from the Rear Case [22]. Turn Washer (B) [30] mounted in the Rear Case [22] counterclockwise to remove it.
  • Page 22 Wire (Red) [42] to the Motor [36]. The red-marked side of the Motor [36] is positive. (See Fig. 3.) (c) Insert the terminal while being careful about the direction of Terminal Support (A) [43]. (d) Apply grease (Hitachi Motor Grease No. 29, Code No. 930035 recommended) to the press-fitted Motor [36] shaft.
  • Page 23 Fig. 4 Clutch Dial [4] Click Spring [5] O-ring [6] Spindle [7] Spring (C) [8] Ratchet (B) [9] Nut [11] Washer [12] Washer (A) [10] Front Case [15] Slip Block [13] Stopper Spring [14] (b) Mount the Nut [11] onto the Front Case [15]. (See Fig. 5.) Align rib (A) on the Front Case [15] with short interval (B) on the Nut [11].
  • Page 24 (c) With the protrusion on the Click Spring [5] facing upward, securely insert the Click Spring [5] into the groove of the Front Case [15]. (See Fig. 6.) Fig. 6 Protrusion Click Spring [5] Front Case [15] Groove (d) Mount the Clutch Dial [4] onto the Front Case [15]. (See Fig. 7.) Mount the Nut [11] onto the Clutch Dial [4] by aligning the ribs on the Clutch Dial [4] with the grooves on the Nut [11].
  • Page 25 3. Reassembly of the gear unit (a) Apply grease (Hitachi Motor Grease No. 29, Code No. 930035) to the meshing portions of each gear. (b) Reassemble the parts of the gear unit in order. (See Fig. 8.) Fig. 8 Spring (A) [16]...
  • Page 26 Fig. 9 Fig. 10 Position of Spring (A) [16] Recesses and Steel Ball D5 [17] Recess Recess (c) Mount the Shift Arm [24] into the groove of the Rear Case [22] reassembled in step (b) above. Facing the ridge of the Shift Arm [24] toward the Motor [36] side, mount the Shift Arm [24] on the unmarked side of the assembly that was reassembled in step (b) above.
  • Page 27 (f) Mount the assembly that was reassembled in step (1) Fig. 12 and the assembly reassembled in step (e) above together. (See Fig. 12.) Fit the protrusion of the Motor Spacer [31] into the recess of the Rear Case [22], while ensuring that the Shift Knob [37] is aligned with the positive side of the Motor [36].

  • Page 28: Precautions On Disassembly And Reassembly Of The Battery Charger

    Drill Chuck 13VLRS-N [2] should be clockwise as viewed from behind. Switch the Models DV 18DCL2, DV 18DVC2, DV 14DCL2 or DV 14DVC2 on and off by using the battery. Use a 12 mm dia. test bar to confirm that runout of the Drill Chuck 13VLRS-N [2] is 0.8 mm or less at the position 110 mm away from the tip of the chuck.

  • Page 29: Standard Repair Time (Unit) Schedules

    STANDARD REPAIR TIME (UNIT) SCHEDULES Variable MODEL 60 min. Fixed Work Flow DV 18DCL2 Housing (A).(B) Set DV 18DVC2 General assembly Motor DV 14DCL2 Switch Terminal Set DV 14DVC2 Shift Knob Gear Box Clutch Dial Ass'y Spindle Spring Ratchet (B) Front Case...
  • Page 30 LIST NO. H867 CORDLESS IMPACT DRIVER DRILL • • 2010 6 9 Model DV 18DCL2 (E1)
  • Page 31 WASHER (B) 312-698 MOTOR SPACER 317-333 MACHINE SCREW (W/SP. WASHER) M4 X 6 332-039 HOUSING (A). (B) SET (GREEN) 330-719 HITACHI LABEL 332-836 PUSHING BUTTON 332-020 MOTOR DC 18V 332-036 SHIFT KNOB 313-687 TAPPING SCREW (W/FLANGE) D3 X 16 (BLACK)
  • Page 32 STANDARD ACCESSORIES DV 18DCL2 ITEM CODE NO. DESCRIPTION REMARKS USED CHARGER (MODEL UC 18YKL) 983-006 + DRIVER BIT NO. 2 65L 332-022 CASE (BLACK) 6 - 10 - 3 - *ALTERNATIVE PARTS...
  • Page 33 DV 18DCL2 ITEM CODE NO. DESCRIPTION REMARKS USED - 4 - Printed in Japan 6 - 10 *ALTERNATIVE PARTS (100609N)
  • Page 34 LIST NO. H869 CORDLESS IMPACT DRIVER DRILL • • 2010 6 14 Model DV 18DVC2 (E1)
  • Page 35 317-333 MACHINE SCREW (W/SP. WASHER) M4 X 6 332-039 HOUSING (A). (B) SET (GREEN) 332-985 HOUSING (A). (B) SET (GREEN) FOR USA, CAN 330-719 HITACHI LABEL 332-836 PUSHING BUTTON 332-020 MOTOR DC 18V 332-036 SHIFT KNOB 313-687 TAPPING SCREW (W/FLANGE) D3 X 16 (BLACK)
  • Page 36 STANDARD ACCESSORIES DV 18DVC2 ITEM CODE NO. DESCRIPTION REMARKS USED CHARGER (MODEL UC 18YK) CHARGER (MODEL UC 18SF) 983-006 + DRIVER BIT NO. 2 65L 332-022 CASE (BLACK) 6 - 10 - 3 - *ALTERNATIVE PARTS...
  • Page 37 DV 18DVC2 ITEM CODE NO. DESCRIPTION REMARKS USED - 4 - Printed in Japan 6 - 10 *ALTERNATIVE PARTS (100614N)
  • Page 38 LIST NO. H866 CORDLESS IMPACT DRIVER DRILL • • 2010 6 9 Model DV 14DCL2 (E1)
  • Page 39 PARTS DV 14DCL2 ITEM ITEM CODE NO. CODE NO. DESCRIPTION REMARKS USED USED 995-344 FLAT HD. SCREW (A) (LEFT HAND) M6 X 25 332-049 DRILL CHUCK 13VLRS-N 332-008 GEAR BOX ASS'Y INCLUD. 4-31 332-015 CLUTCH DIAL 327-146 CLICK SPRING 327-142...
  • Page 40 STANDARD ACCESSORIES DV 14DCL2 ITEM CODE NO. DESCRIPTION REMARKS USED CHARGER (MODEL UC 18YKL) 983-006 + DRIVER BIT NO. 2 65L 332-022 CASE (BLACK) 6 - 10 - 3 - *ALTERNATIVE PARTS...
  • Page 41 DV 14DCL2 ITEM CODE NO. DESCRIPTION REMARKS USED - 4 - Printed in Japan 6 - 10 *ALTERNATIVE PARTS (100609N)
  • Page 42 LIST NO. H868 CORDLESS IMPACT DRIVER DRILL • • 2010 6 9 Model DV 14DVC2 (E1)
  • Page 43 WASHER (B) 312-698 MOTOR SPACER 317-333 MACHINE SCREW (W/SP. WASHER) M4 X 6 332-042 HOUSING (A). (B) SET (GREEN) 330-719 HITACHI LABEL 332-836 PUSHING BUTTON 332-021 MOTOR DC 14.4V 332-036 SHIFT KNOB 313-687 TAPPING SCREW (W/FLANGE) D3 X 16 (BLACK)
  • Page 44 STANDARD ACCESSORIES DV 14DVC2 ITEM CODE NO. DESCRIPTION REMARKS USED CHARGER (MODEL UC 18YK) 983-006 + DRIVER BIT NO. 2 65L 332-022 CASE (BLACK) 6 - 10 - 3 - *ALTERNATIVE PARTS...
  • Page 45 DV 14DVC2 ITEM CODE NO. DESCRIPTION REMARKS USED - 4 - Printed in Japan 6 - 10 *ALTERNATIVE PARTS (100609N)

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