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Hitachi DS 14DSFL Technical Data And Service Manual

14.4 v/18 v cordless driver drill
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PRODUCT NAME
Hitachi 14.4 V Cordless Driver Drill
DS 14DSFL
Model
Hitachi 18 V Cordless Driver Drill
DS 18DSFL
Model
MARKETING OBJECTIVE
The Models DS 14DSFL and DS 18DSFL are cordless driver drills equipped with an 14.4 V and 18 V
lithium-ion battery, respectively. The new Models DS 14DSFL and DS 18DSFL are low spec version of DS
14DSAL and DS 18DSAL.
Vigorous sales promotion and expanded market share are anticipated with the introduction of the new Models
DS 14DSFL and DS 18DSFL. The key features of the Models DS 14DSFL and DS 18DSFL 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
We aim to expand our market share with the new Models DS 14DSFL and DS 18DSFL.
APPLICATIONS
• Tightening and loosening wood screws, self-tapping screws and machine screws
• Drilling into wood, plastic, mild steel and aluminum materials
SELLING POINTS
[NEW FEATURES]
Improved overload durability
(improved cooling efficiency)
22-position torque adjustable clutch
Soft-grip handle
Safe and secure lithium-ion battery
(BSL 1415, BSL 1815)
SPECIFICATIONS AND PARTS ARE SUBJECT TO CHANGE FOR IMPROVEMENT.
m)
International Sales Division
LIST Nos.
DS 14DSFL : H891
DS 18DSFL : H892
Sep. 2010
[DS 18DSFL ]
D

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  Summary of Contents for Hitachi DS 14DSFL

  • Page 1 Model MARKETING OBJECTIVE The Models DS 14DSFL and DS 18DSFL are cordless driver drills equipped with an 14.4 V and 18 V lithium-ion battery, respectively. The new Models DS 14DSFL and DS 18DSFL are low spec version of DS 14DSAL and DS 18DSAL.
  • Page 2 • 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: Model DS 14DSFL Competitors Symbols Utilized Company Name...
  • Page 3: Table Of Contents

    Particular Attention during Sales Promotion ------------------------------------------------------------- 11 REPAIR GUIDE---------------------------------------------------------------------------------------------------------------- 13 1. Precautions on Disassembly and Reassembly --------------------------------------------------------- 13 2. Precautions on Disassembly and Reassembly of the Battery Charger --------------------------- 21 STANDARD REPAIR TIME (UNIT) SCHEDULES-------------------------------------------------------------------- 22 Assembly Diagram for DS 14DSFL Assembly Diagram for DS 18DSFL...
  • Page 4: Selling Points

    SELLING POINTS Improved overload durability (improved cooling efficiency) The Models DS 14DSFL and DS 18DSFL 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

    1.5 kg (3.3 lbs.) --------------------------------- Charger unit (UC 18YGSL, including cord) 0.4 kg (0.9 lb.) Weight -------------------------------------------------------- DS 14DSFL (2LEGK) - 4.0 kg (8.7 lbs.) Gross -------------------------------------------------------- DS 14DSFL (2LEGX) - 4.0 kg (8.7 lbs.) • Charger (UC 18YGSL) ------------------------------------------------------------- 1 •...
  • Page 7 Model DS 18DSFL Item ------------ Screw driving Machine screw 6 mm (1/4") --------------- Wood screw 6.8 mm dia. x 50 mm (#16 x 2") Capacity ------- Drilling Metal Mild steel 13 mm (1/2") [Thickness 1.6 mm (1/16")] ----------------------- Wood 38 mm (1-1/2") [Thickness 18 mm (11/16")] ---------------------- Keyless chuck Mount type...
  • Page 8: Comparison With Similar Products

    COMPARISON WITH SIMILAR PRODUCTS 1. Comparison of Specifications (Superior specifications: Maker HITACHI Model DS 14DSFL DS 14DCL Item 6 mm (1/4”) 6 mm (1/4”) 6 mm (1/4”) Machine screw Screw 6.0 mm dia. x 75 mm 6.0 mm dia. x 75 mm 5.1 mm dia.
  • Page 9 (Superior specifications: Maker HITACHI Model DS 18DSFL DS 18DCL Item 6 mm (1/4”) 6 mm (1/4”) 6 mm (1/4”) Machine screw Screw 6.8 mm dia. x 50 mm 6.8 mm dia. x 50 mm 6.0 mm dia. x 75 mm...
  • Page 10: Comparison Of Drilling And Fastening Performance Per Charge

    Without *: Number of holes or fasteners per charge With *: Number of machine screws fastened per charge The table above shows examples of test data. The batteries used in testing performance are as follows: Model DS 14DSFL: 1.5 Ah Model DS 14DCL: 1.5 Ah M: 1.5 Ah...
  • Page 11 Drilling Type of Work Maker Model Speed *250 *500 *750 *1,000 (sec./pc.) DS 18DSFL 8.87 T1.6 (1/16”) HSS Drill bit HITACHI DS 18DCL 7.67 Mild steel 9.99 <High speed> T18 (23/32”) Wood boring DS 18DSFL 2.80 HITACHI DS 18DCL 3.17 American pine 3.68...
  • Page 12: Precautions On Sales Promotion

    1. Safety Instructions In the interest of promoting the safest and most efficient use of the Models DS 14DSFL and DS 18DSFL Cordless Driver Drills by all of our customers, it is very important when concluding a sale that the...
  • Page 13 (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 14: Inherent Drawbacks Of Cordless Driver Drills Requiring Particular Attention During Sales Promotion

    (6) Variation in amount of work possible per charge Although the nominal chargeable capacity of the storage batteries used with the Models DS 14DSFL and DS 18DSFL 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 15 Please instruct customers to avoid continuous use of the Models DS 14DSFL and DS 18DSFL, and generally take about a 15 minute break following a single charge operation.
  • Page 16: 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 Models DS 14DSFL and DS 18DSFL. Disassembly 1. Removal of the Hook Remove the Truss Hd.
  • Page 17 Fig. 1 Drill Chuck [2] Hexagonal bar wrench Clutch Dial [4] Front Case [9] Shift Arm [16] Slide Ring Gear (B) [19] Rear Case [14] Vise Special repair tool (J-342) 4. Disassembly of the gear unit Remove the Shift Arm [16] from the Rear Case [14], and then turn Washer (B) [23] mounted in the Rear Case [14] counterclockwise to remove.
  • Page 18 7. Disassembly of the power supply unit NOTE: Do not remove the heat sink secured to the DC-Speed Control Switch [40] with a screw. Remove the two Machine Screw (W/Sp. Washer) M4 x 6 [28], and then separate the Motor Spacer [24] from the Motor [33].
  • Page 19 2. Reassembly of the clutch unit (a) Mount Washer (D) [8] and the Spring [7] onto the Front Case [9]. When mounting Washer (D) [8] onto the Front Case [9], align the projection on the Front Case [9] with the notch of Washer (D) [8]. (See Fig. 4.) Fig.
  • Page 20 3. Reassembly of the gear unit (a) Apply grease (Hitachi Motor Grease No. 29, Code No. 930035) to the meshing parts of the gear. (b) Install the parts in series from the six Steel Ball D5 [10] to Washer (B) [23] as shown in Fig. 7.
  • Page 21 (i) Confirm the direction of the groove when installing Slide Ring Gear (B) [19] so that the groove faces toward the Motor [33]. (See Fig. 7.) (ii) Install Washer (B) [23] in the Rear Case [14] with the projections of Washer (B) [23] engaged with the recesses in the Rear Case [14], and then turn Washer (B) [23] clockwise until it can turn no further.
  • Page 22 (f) Assemble the Gear Box Ass'y [3] and Motor [33]. (See Fig. 10.) Fig. 10 Fit the projection on the Motor Spacer [24] into the recess on the Rear Case [14] while ensuring that the Shift Knob [38] is aligned with the positive side of the Motor [33], and then turn the Motor Spacer [24] clockwise (as viewed from the rear of Protrusion...
  • Page 23 NOTE: Black oxide adhering to the contact point between the terminal and battery or peeled-off plating may result in higher temperature at the contact point, thereby causing the battery or Models DS 14DSFL and DS 18DSFL to malfunction. In such case, replace the Controller Terminal Set [41] with a new one (Fig. 3).
  • Page 24: Precautions On Disassembly And Reassembly Of The Battery Charger

    14DSFL and DS 18DSFL on and off by using the battery. Use a 12 mm dia. (for the DS 18DSFL) or 9 mm dia. (for the DS 14DSFL) test bar to confirm that runout of the Drill Chuck [2] is 0.8 mm or less at a position 110 mm (for the DS 18DSFL) or 85 mm (for the DS 14DSFL) away from the tip of the chuck .
  • Page 25: Standard Repair Time (Unit) Schedules

    STANDARD REPAIR TIME (UNIT) SCHEDULES Variable MODEL 60 min. Fixed Work Flow DS 14DSFL DS 18DSFL General assembly Housing (A).(B) Set Motor DC-Speed Control Switch Shift Knob Gear Box Ass’y Clutch Dial Drill Chuck Click Spring Spring Front Case Hook...
  • Page 26 LIST NO. H891 CORDLESS DRIVER DRILL • • • 2010 9 27 Model DS 14DSFL (E1)
  • Page 27 PARTS DS 14DSFL ITEM CODE NO. DESCRIPTION REMARKS USED 311-959 SPECIAL SCREW (LEFT HAND) M6 X 23 332-050 DRILL CHUCK 10VLRH-N 332-043 DRILL CHUCK 10VLRH-N FOR USA, CAN 333-315 GEAR BOX ASS'Y INCLUD. 4-24 332-025 CLUTCH DIAL 332-741 CLICK SPRING...
  • Page 28: Standard Accessories

    STANDARD ACCESSORIES DS 14DSFL ITEM CODE NO. DESCRIPTION REMARKS USED 983-006 + DRIVER BIT NO.2 65L CHARGER (MODEL UC 18YGSL) 332-022 CASE (BLACK) 332-825 CASE FOR TORCHLIGHT 329-897 BATTERY COVER TORCHLIGHT (MODEL UB 18DAL) FOR USA, CAN OPTIONAL ACCESSORIES OPTIONAL ACCESSORIES...
  • Page 29 DS 14DSFL ITEM CODE NO. DESCRIPTION REMARKS USED - 4 - Printed in Japan 9 - 10 *ALTERNATIVE PARTS (100927N)
  • Page 30 LIST NO. H892 CORDLESS DRIVER DRILL • • • 2010 9 27 Model DS 18DSFL (E1)
  • Page 31 TAPPING SCREW (W/FLANGE) D3 X 16 (BLACK) NAME PLATE 317-333 MACHINE SCREW (W/SP. WASHER) M4 X 6 327-001 TRUSS HD. SCREW M4 (BLACK) 332-824 HOOK 330-719 HITACHI LABEL 332-836 PUSHING BUTTON 332-558 MOTOR DC 18V 332-843 INTERNAL WIRE (BLACK) 130L 327-002 LOCK NUT M4 (BLACK)
  • Page 32 STANDARD ACCESSORIES DS 18DSFL ITEM CODE NO. DESCRIPTION REMARKS USED 983-006 + DRIVER BIT NO.2 65L CHARGER (MODEL UC 18YGSL) 332-022 CASE (BLACK) 329-897 BATTERY COVER OPTIONAL ACCESSORIES OPTIONAL ACCESSORIES ITEM ITEM CODE NO. CODE NO. DESCRIPTION REMARKS USED USED 955-657 - DRIVER BIT (A) 3MM X 70L 955-659...
  • Page 33 DS 18DSFL ITEM CODE NO. DESCRIPTION REMARKS USED - 4 - Printed in Japan 9 - 10 *ALTERNATIVE PARTS (100927N)

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