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Hitachi DV18DL - 18V 3.0Ah Lithium Ion Cordless Hammer Drill Service Manual

Cordless impact driver drill
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CORDLESS IMPACT
DRIVER DRILL
LIST Nos. DV 18DL: G853
DV 14DL: G854
SPECIFICATIONS AND PARTS ARE SUBJECT TO CHANGE FOR IMPROVEMENT
MODELS
Hitachi
Power Tools
DV 18DL
DV 14DL
Jul. 2006
DV 18DL
DV 14DL
TECHNICAL DATA
AND
SERVICE MANUAL
D

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  Summary of Contents for Hitachi DV18DL - 18V 3.0Ah Lithium Ion Cordless Hammer Drill

  • Page 1 MODELS DV 18DL DV 14DL Hitachi Power Tools CORDLESS IMPACT DRIVER DRILL TECHNICAL DATA DV 18DL SERVICE MANUAL DV 14DL LIST Nos. DV 18DL: G853 Jul. 2006 DV 14DL: G854 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 BHP451 MAKITA MAKITA BHP440...
  • Page 3: Table Of Contents

    CONTENTS Page 1. PRODUCT NAME ..........................1 2. MARKETING OBJECTIVE ........................ 1 3. APPLICATIONS ..........................1 4. SELLING POINTS ..........................2 4-1. Selling Point Descriptions ........................3 5. SPECIFICATIONS ..........................7 5-1. Model DV 18DL ..........................7 5-2. Model DV 14DL ..........................8 6.
  • Page 4: Product Name

    1. PRODUCT NAME Hitachi 18 V Cordless Impact Driver Drill/Cordless Hammer Drill, Model DV 18DL Hitachi 14.4 V Cordless Impact Driver Drill/Cordless Hammer Drill, Model DV 14DL 2. MARKETING OBJECTIVE The Models DV 18DL and DV 14DL are the excellent, top-quality cordless impact driver drills developed to reinforce our 18-V and 14.4-V product lines and also to meet the market demands.
  • Page 5: Selling Points

    4. SELLING POINTS No. 1 torque: Max. torque 64 N m (Model DV 18DL) • 52 N m (Model DV 14DL) • No. 1 compact body: Overall length 250 mm 22-position torque adjustable clutch Fine torque adjustment 3-mode selection Side handle Improved overload durability Drill (improved cooling efficiency)
  • Page 6: Selling Point Descriptions

    4-1. Selling Point Descriptions 4-1-1. Compact and high power: Max. torque 64 N m (Model DV 18DL) • While the Model DV 18DL is compact and lightweight (overall length 250 mm, weight 2.2 kg), it provides the class- top maximum torque 64 N m thanks to the optimum design (see Tables 1 and 2).
  • Page 7 4-1-3. 22-position torque adjustable clutch The 22-stage clutch ensures fine torque adjustment. (See Table 3.) The tightening torque is selectable up to 7 N • The wider torque selectable range extends the range of applicable works. Table 3 Clutch cap position Tightening torque 0.5 N m {15...
  • Page 8 4-1-7. One-touch hook (1) The hook can be quickly slid out whenever necessary and slid in when not necessary. (2) The hook is mountable on either side using a flat-blade screwdriver or a coin. (3) The angle of the hook is adjustable in five steps. Angle-adjustable in 5 steps Mountable on either side 4-1-8.
  • Page 9 4-1-9. New Lithium-ion battery Each of the Types EBM 1830 and EBL 1430 lithium-ion batteries is equipped with the overdischarge protection circuit, overload protection circuit, and voltage monitoring circuit for each cell to prevent reduction of the battery life due to overdischarge (overuse) or overcharge (excessive charging) of the battery. The number of charging/discharging is about 1,500.
  • Page 10: Specifications

    5. SPECIFICATIONS 5-1. Model DV 18DL Screw driving Machine screw ..6 mm (1/4") Capacity Wood screw ..... 8 mm dia. x 100 mm (#20 x 4") Drilling Brick ......16 mm (5/8") [Depth 30 mm (1-1/4")] Metal Mild steel ..13 mm (1/2") [Thickness 1.6 mm (1/16")] •••...
  • Page 11: Model Dv 14Dl

    5-2. Model DV 14DL Capacity Screw driving Machine screw ..6 mm (1/4") Wood screw ..... 8 mm dia. x 75 mm (#20 x 3") Drilling Brick ......14 mm (9/16") [Depth 30 mm (1-1/4")] Metal Mild steel ..13 mm (1/2") [Thickness 1.6 mm (1/16")] •••...
  • Page 12: Comparisons With Similar Products

    6. COMPARISONS WITH SIMILAR PRODUCTS 6-1. Model DV 18DL HITACHI Maker Model DV 18DL DV 18DMR Machine screw 6 mm (1/4") 6 mm (1/4") 6 mm (1/4") Screw 8 mm dia. x 100 mm 8 mm dia. x 100 mm 10 mm dia.
  • Page 13: Model Dv 14Dl

    6-2. Model DV 14DL HITACHI Maker Model DV 14DL DV 14DMR Machine screw 6 mm (1/4") 6 mm (1/4") 6 mm (1/4") Screw 8 mm dia. x 75 mm 8 mm dia. x 75 mm 6.8 mm dia. x 50 mm...
  • Page 14: Working Performance Per Single Charge

    Driling speed Type of work Maker Model name (sec./pc.) *600 *1200 *1800 *2400 DV 18DL HITACHI DV 18DMR C -- 1 < High speed > DV 18DL HITACHI DV 18DMR C -- 1 < Low speed > DV 18DL HITACHI...
  • Page 15: Model Dv 14Dl

    Driling speed Type of work Maker Model name (sec./pc.) *600 *1200 *2400 *1800 DV 14DL HITACHI DV 14DMR C -- 2 < High speed > DV 14DL HITACHI DV 14DMR C -- 2 < Low speed > DV 14DL HITACHI...
  • Page 16: Precautions In Sales Promotion

    8. PRECAUTIONS IN SALES PROMOTION 8-1. Safety Instructions In the interest of promoting the safest and most efficient use of the Models DV 18DL and DV 14DL Cordless Impact Driver Drills 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 the Name Plate attached to each tool.
  • Page 17 (8) Disposal of the storage batteries Ensure that all customers understand that the storage batteries 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 18: Inherent Drawbacks Of Cordless Impact Driver Drills Requiring Particular Attention During Sales

    8-2. Inherent Drawbacks of Cordless Impact Driver Drills Requiring Particular Attention During Sales Promotion The cordless impact driver drill offers many advantages; it can be used in places where no power source is available, the absence of a cord allows easy use etc. However, any cordless tool has certain inherent drawbacks. Salespersons must be thoroughly familiar with these drawbacks in order to properly advise the customer in the most efficient use of the tool.
  • Page 19: Reference Materials

    (7) Precautions in the use of HSS drill bits For example, although the Model DV 18DL is designed for drilling capacities of 50 mm (2") in wood, and 13 mm (1/2") in aluminum and mild steel, this capability is not as efficient as conventional electric power tools. In particular, when drilling through aluminum material with a 13 mm (1/2") drill bit, the drill tends to become locked when the drill bit penetrates through the material.
  • Page 20: Repair Guide

    10. REPAIR GUIDE Be sure to remove the storage batteries from the main body before servicing. Inadvertent triggering of the switch with the storage battery connected will result in danger of accidental turning of the motor. 10-1. Precautions in Disassembly and Reassembly The [Bold] numbers in the descriptions below correspond to the item numbers in the Parts List and the exploded assembly diagram for the Model DV 18DL, and the <Bold>...
  • Page 21 (4) Adjust the Front Cap [4] <4> to " ". (5) Disassembly of the main unit Remove the ten Tapping Screws (W/Flange) D3 x 16 (Black) [36] <36> from the main unit. Holding the battery chamber of Housing (B) [38] <38>, gently remove Housing (B) [38] <38>. Then the inside parts can be removed in an assembled or single state.
  • Page 22 Projections of Front Case [11] <11> Projections of switch flange Switch flange Switch Plate [5] <5> Recess of Switch Plate [5] <5> Fig. 4 (c) Disassembly of the clutch mechanism Turn the Nut [6] <6> counterclockwise to remove from the Front Case [11] <11>. Take out the Spring [7] <7>, Thrust Washer [8] <8>, Stopper [9] <9>...
  • Page 23 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 Perform wiring according to the wiring diagram (Fig. 5). Pay attention to the connecting direction of the internal wires and the terminals.
  • Page 24 Fig. 7 (3) Reassembly of the gear unit (a) Apply grease (Hitachi Motor Grease No. 29) to the engaging portions of each gear and contacting surfaces with the pin set (6 pcs.) of the ring gear properly. (b) Mount the parts from the Pin Set (6 pcs.) [13] <13> to Washer (B) [29] <29> to the part assembled in the above (2) in order (see Fig.
  • Page 25 Apply grease approx. 1.2 g (Hitachi Motor Grease No. 29) to the shaded portion in the Front Case [11] <11> (See Fig. 9). NOTE: Be sure to apply grease to the shaded portion in the Front Case [11] <11>. Otherwise, the spindle lock may not work properly.
  • Page 26 Pay attention to the mounting direction of the Ring Gear [16] <16>, Slide Ring Gear [23] <23>, Pinion (C) [24] <24> and Pinion (B) [26] <26> (see Fig. 8). Mount the Front Case [11] <11> to the Rear Case [20] <20> so that the concave portion of the Front Case [11] <11>...
  • Page 27 (5) Reassembly of the drive unit (a) Fit the protrusion of the Motor Spacer [30] <30> in the concave portion of the Rear Case [20] <20> engaging the pinion of the Armature and Pinion Set [31] <31> with Planet Gear (A) Set (4 pcs.) [27] <27>. Turn it fully clockwise viewing from the rear of the Armature and Pinion Set [31] <31>...
  • Page 28 (c) Mounting the Click Spring [12] <12> and the Front Cap [4] <4>. Mount the Switch Plate [5] <5> aligning with the projections of the Front Case [11] <11> as shown in Fig. 4. Mount the Click Spring [12] <12> to the Front Case [11] <11>. When the Nut [6] <6>...
  • Page 29 (b) Mount the DC-Speed Control Switch [46] <47> that was not mounted in the above step (a) to Housing (A) [38] <38>. Mount the Pushing Button [45] <46> to Housing (A) [38] <38>. Check that the protrusion of the forward/reverse changeover lever of the DC-Speed Control Switch [46] <47> is inserted into the groove of the Pushing Button [45] <46>.
  • Page 30: Precaution In Disassembly And Reassembly Of Battery Charger

    (11) Screw tightening torque Special Screw (Left Hand) M6 x 23 [1] <1> ..........3.92 -- - 4.9 N m (40 -- - 50 kgf • • Drill Chuck 13VLRL-N (W/O Chuck Wrench) [2] <2> ....... 17.6 -- - 21.6 N m (180 -- - 220 kgf •...
  • Page 31: Standard Repair Time (Unit) Schedules

    11. STANDARD REPAIR TIME (UNIT) SCHEDULES Variable MODEL Fixed Work Flow DV 18DL DV 14DL Housing (A).(B) General Assembly Armature and Pinion Set Magnet Brush Block DC-Speed Control Switch Shift Knob Gear Box Ass'y Front Cap Drill Chuck Spring (Keyless) Front Case Lock Ring Ring Gear...
  • Page 32: Model Dv 18Dl

    Hitachi Power Tools LIST NO. G853 ELECTRIC TOOL PARTS LIST CORDLESS IMPACT DRIVER DRILL 2006 • • Model DV 18DL (E1)
  • Page 33 326-493 SUPPORT (D) EXCEPT FOR USA, CAN 323-229 FERRITE CORE EXCEPT FOR USA, CAN, AUS 322-997 PUSHING BUTTON 322-994 DC-SPEED CONTROL SWITCH HITACHI LABEL 958-715 TAPPING SCREW D4X10 996-118 HOLDER SPRING 323-003 TERMINAL 320-997 TERMINAL PIECE --- 2 --- * ALTERNATIVE PARTS...
  • Page 34 PARTS DV 18DL ITEM CODE NO. REMARKS DESCRIPTION USED 322-995 TERMINAL 320-287 HOOK ASS’Y INCLUD. 54 FOR NOR, SWE, DEN, FRG, AUS 320-288 V-LOCK NUT M5 321-918 HOOK ASS’Y (W/LIGHT) INCLUD. 54, 56 FOR GBR, FRG, USA, CAN 321-672 TAPPING SCREW D2X6 FOR GBR, FRG, USA, CAN 306-952 STRAP (BLACK)
  • Page 35 STANDARD ACCESSORIES DV 18DL ITEM CODE NO. DESCRIPTION REMARKS USED CHARGER (MODEL UC 18YRL) 983-006 + DRIVER BIT NO. 2 65L 323-001 SIDE HANDLE 323-230 CASE --- 4 --- * ALTERNATIVE PARTS Printed in Japan 7-- 06 (060706N)
  • Page 36 Hitachi Power Tools LIST NO. G854 ELECTRIC TOOL PARTS LIST CORDLESS IMPACT DRIVER DRILL 2006 • • Model DV 14DL (E1)
  • Page 37 PLATE (A) 326-276 LEVER (A) 324-137 SHIFT KNOB 326-277 LEVER (B) 326-493 SUPPORT (D) 323-229 FERRITE CORE EXCEPT FOR AUS HITACHI LABEL 322-997 PUSHING BUTTON 322-994 DC-SPEED CONTROL SWITCH 958-715 TAPPING SCREW D4X10 996-118 HOLDER SPRING 323-003 TERMINAL 320-997 TERMINAL PIECE...
  • Page 38 PARTS DV 14DL ITEM CODE NO. REMARKS DESCRIPTION USED 322-995 TERMINAL 320-287 HOOK ASS’Y INCLUD.54 FOR NOR, SWE, DEN, FRG, AUS 320-288 V-LOCK NUT M5 306-952 STRAP (BLACK) 319-926 HOOK SPRING 320-881 SPECIAL SCREW (A) M5 326-236 BATTERY EBL 1430 (EUROPE, AUS, NZL) 321-918 HOOK ASS’Y (W/LIGHT) INCLUD.
  • Page 39 STANDARD ACCESSORIES DV 14DL ITEM CODE NO. DESCRIPTION REMARKS USED CHARGER (MODEL UC 18YRL) 983-006 + DRIVER BIT NO. 2 65L 323-001 SIDE HANDLE 323-230 CASE --- 4 --- * ALTERNATIVE PARTS Printed in Japan 7-- 06 (060706N)

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