Hitachi WH 14DCAL Technical Data And Service Manualice Manual
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Hitachi WH 14DCAL Technical Data And Service Manualice Manual

Hitachi WH 14DCAL Technical Data And Service Manualice Manual

14.4 v cordless angle impact driver
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PRODUCT NAME
Hitachi 14.4 V Cordless Angle Impact Driver
WH 14DCAL, WH 14DY
Models
MARKETING OBJECTIVE
The new Models WH 14DCAL and WH 14DY are compact and cordless angle impact drivers equipped with the
14.4-V battery (Model WH 14DCAL: lithium-ion battery). Features of the Models WH 14DCAL and WH 14DY
include the following.
(1) Compact body (smallest center height in its class: 16.5 mm)
(2) Newly structured paddle lever is very convenient.
With the new Models WH 14DCAL and WH 14DY, we aim to expand our market share.
APPLICATIONS
• Tightening/loosening of small screws, tapping screws, wood screws, Teks screws, Hex screws, etc.
• Tightening/loosening of bolts, nuts, etc.
• Drilling into wood and various other materials (with use of the optional accessory drill chuck and adapter set)
SELLING POINTS
[ NEW FEATURES ]
Compact body
Newly structured paddle lever
SPECIFICATIONS AND PARTS ARE SUBJECT TO CHANGE FOR IMPROVEMENT.
LIST No.
WH 14DCAL: H821
WH 14DY: H822
Aug. 2008
WH 14DCAL
International Sales Division
W
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Summary of Contents for Hitachi WH 14DCAL

  • Page 1 Models MARKETING OBJECTIVE The new Models WH 14DCAL and WH 14DY are compact and cordless angle impact drivers equipped with the 14.4-V battery (Model WH 14DCAL: lithium-ion battery). Features of the Models WH 14DCAL and WH 14DY include the following.
  • 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: Competitors Symbols Utilized Company Name...

  • Page 3: Table Of Contents

    5. Other precautions ---------------------------------------------------------------------------------------------- 13 REPAIR GUIDE---------------------------------------------------------------------------------------------------------------- 14 1. Precautions in disassembly and reassembly ------------------------------------------------------------ 14 2. Precautions in disassembly and reassembly of battery charger------------------------------------ 22 STANDARD REPAIR TIME (UNIT) SCHEDULES-------------------------------------------------------------------- 23 Assembly diagram for WH 14DCAL Assembly diagram for WH 14DY...

  • Page 4: Selling Point Descriptions

    SELLING POINT DESCRIPTIONS Compact body The Models WH 14DCAL and WH 14DY are compact and easy to handle. They are also convenient for operation in narrow places. HITACHI Model WH 14DCAL WH 14DY Overall length Center height 17.5 16.5 Convenient for tightening screws and bolts in narrow places...

  • Page 5: Specifications

    -------------------- Charger unit (including cord) 0.6 kg (1.3 lbs.) Gross WH 14DCAL (2LRK): 4.2 kg (9.3 lbs.) WH 14DCAL (NN): 1.3 kg (2.9 lbs.) Overall length x Head height 392 mm (15-7/16”) x 53 mm (2-5/64”) Center height 16.5 mm (21/32”)
  • Page 6 Model WH 14DY Small screw : 4 to 8 mm (5/32” to 5/16”) Capacity Ordinary bolt : M4 to M10 (5/32” to 25/64”) High-strength bolt : M4 to M8 (5/32” to 5/16”) Tightening torque* 50 N m (510 kgf cm 440 in-lbs.) •...

  • Page 7: Optional Accessories

    2. Optional accessories (1) Plus driver bit Bit No. Code No. No. 2 992671 No. 3 992672 (2) Hexagon socket Stamped figures Part name Stamped figures Code No. L (mm) B (mm) 4 mm hexagon socket 992689 65 (2-9/16”) 7 (1/4”) 5 mm hexagon socket 996177 65 (2-9/16”)

  • Page 8: Comparisons With Similar Products

    COMPARISONS WITH SIMILAR PRODUCTS 1. Specification comparisons (Superior specifications: HITACHI Maker WH 14DY WH 14DCAL Model (2BGK) (2LRK) Item Voltage 14.4 14.4 4 to 8 4 to 8 4 to 8 Small screw (5/32” to 5/16”) (5/32” to 5/16”) (5/32” to 5/16”)

  • Page 9: Tightening Torque

    2. Tightening torque (1) Diameter of thread and appropriate tightening torque Generally speaking, the appropriate tightening torque for a screw can be determined by the strength grade of the screw and the material tightened. The tables below list data relative to the strength grade of various screws and the appropriate tightening torque.
  • Page 10 (2) Bolt tightening torque characteristics The graphs below show the relationship between tightening time and tightening torque according to types of bolts. The data below are intended for reference purposes only because actual tightening torque may vary depending on tightening conditions. For details, please refer to "Tightening torque variation."...

  • Page 11: Tightening Time And Number Of Screws Tightened

    3. Tightening time and number of screws tightened (1) Screw tightening time The table below shows a comparison of the screw tightening time between the Model WH 14DCAL/ WH 14DY and competitors. Please note that the data below are intended for reference purposes only because the actual tightening time may vary depending on hardness of workpieces, ambient temperature, characteristics of the battery, etc.

  • Page 12: Precautions In Sales Promotion

    1. Safety instructions In the interest of promoting the safest and most efficient use of the Model WH 14DCAL/WH 14DY cordless angle impact driver drill by all of our customers, it is very important that at the time of sale, the salesperson...
  • Page 13 (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 14: Tightening Torque Inspection Prior To Operation

    2. Tightening torque inspection prior to operation As described and shown in page 7, the output tightening torque of the Models WH 14DCAL and WH 14DY may exceed the rated tightening torque of certain bolts and screws. Accordingly, if the tightening time is prolonged for such bolts and screws, the screws or the bolts may be damaged or sheared off.

  • Page 15: Precautions For Efficient Use Of Charger And Battery

    If the battery is exposed to direct sunshine for an extended period or if the temperature of the battery is high immediately after it has been used in the Model WH 14DCAL/WH 14DY, the pilot lamp may not light up even though the battery is connected to the charger. The battery is rechargeable when the battery temperature is within the range specified in the table below.

  • Page 16: Other Precautions

    (4) Precaution against impact and water Do not give a strong impact on the Models WH 14DCAL and WH 14DY such as dropping or do not wet them with water because precision components are incorporated in them. Otherwise, a malfunction will occur.

  • Page 17: Repair Guide

    1. Precautions in disassembly and reassembly The [Bold] numbers in the description below correspond to the item numbers in the Parts List and the exploded assembly diagram of the Model WH 14DCAL/WH 14DY. Disassembly 1. Removal of guide sleeve (D) (1) By following the procedure shown in the figures below, remove the Retaining Ring [9], Washer (D) [8], Guide Spring (C) [7] and Guide Sleeve (D) [6] in this order.
  • Page 18 2. Disassembly of housing (A).(B) set (1) Remove the eight Tapping Screws (W/Flange) D4 x 20 (Black) [26] to remove housing (B) from Housing (A).(B) Set [45]. (2) Remove the Hammer Case Set [5], Inner Cover (D) [25], Ring Gear (E) [21], Anvil (B) [10], hammer ass'y, Spring (S) [32], Paddle Lever [42], Spring [41] and Pushing Button [30].
  • Page 19 Reassembly Reassembly can be accomplished by following the disassembly procedures in reverse. However, special attention should be given to the following items. 1. Reassembly of the power supply unit (1) Pay attention to the polarity of the Motor [28] and the soldering direction of the internal wires when soldering the internal wires to the Battery Terminal [37], Motor [28] and DC-Speed Control Switch [35].
  • Page 20 • Note when mounting the controller terminal ass'y and the DC-speed control switch to housing (A) Fig. 3 Push the internal wire (black) in securely so that the internal wire Internal wire (Red) Housing (A) (black) is not placed on the boss rib seat of the pushing button. Motor shaft Boss rib seat of the Internal wire (Black)
  • Page 21 [How to check the meshing condition of the motor pinion, idle gear set and ring gear (E)] Turn the tip of anvil (A) with a hand in the above (8) condition. If the gear of the motor pinion is locked and cannot be turned, the gear meshes improperly.
  • Page 22 • How to check the meshing condition of the gear Fig. 6 Check that the gear at "A" portion works properly without locking when turning the tip of anvil (A). Hold the mechanical ass'y and the Motor [28] securely so that the mechanical ass'y and the Motor [28] are fixed to housing (A).
  • Page 23 3. Mounting the paddle lever (1) Pay attention to the following when mounting the Paddle Lever [42] to housing (A). Mount the Paddle Lever [42] turning the lock button to ON. • Align the trigger rib with the groove of the housing. •...
  • Page 24 • Mounting the guide sleeve Fig. 10 5. Mounting the guide sleeve (1) Insert two Steel Balls D3.5 [3] into the hole of Push down anvil (A) of the Final Gear [2]. Mount Guide Sleeve (D) [6], Guide Spring (C) [7] and J-295 jig (B) for Washer (D) [8] in sequence.

  • Page 25: Precautions In Disassembly And Reassembly Of Battery Charger

    Checking after reassembly Check the following after reassembly. (1) Check that the switching operation is smooth and the Model WH 14DCAL/WH 14DY can start, stop, change speed and perform forward/reverse operation reliably. Check that the brake is put on properly.

  • Page 26: Standard Repair Time (Unit) Schedules

    STANDARD REPAIR TIME (UNIT) SCHEDULES Variable MODEL 60 min. Fixed Work Flow Housing (A).(B) Set WH 14DCAL Motor WH 14DY DC-Speed Control Switch Trigger Paddle Lever General assembly Anvil (B) Hammer (A) Guide Sleeve Ring Gear Hammer Spring Guide Spring...
  • Page 27 LIST NO. H821 CORDLESS ANGLE IMPACT DRIVER Model WH 14DCAL (E1)
  • Page 28 PARTS WH 14DCAL ITEM CODE NO. DESCRIPTION REMARKS USED 329-672 HAMMER CASE 330-624 FINAL GEAR 319-535 STEEL BALL D3.5 (10 PCS.) 939-555 RETAINING RING FOR D28 HOLE (10 PCS.) 330-623 HAMMER CASE SET INCLUD. 1, 2, 4 322-717 GUIDE SLEEVE (D)
  • Page 29 STANDARD ACCESSORIES WH 14DCAL ITEM CODE NO. DESCRIPTION REMARKS USED 992-671 + DRIVER BIT (B) NO. 2 50L FOR USA, CAN CHARGER (MODEL UC 18YRL) 329-674 CASE OPTIONAL ACCESSORIES ITEM CODE NO. DESCRIPTION REMARKS USED 321-823 DRILL CHUCK AND ADAPTER SET INCLUD.
  • Page 30 WH 14DCAL ITEM CODE NO. DESCRIPTION REMARKS USED - 4 - Printed in Japan 8 - 08 *ALTERNATIVE PARTS (080829N)
  • Page 31 LIST NO. H822 CORDLESS ANGLE IMPACT DRIVER Model WH 14DY (E1)
  • Page 32 PARTS WH 14DY ITEM CODE NO. DESCRIPTION REMARKS USED 329-672 HAMMER CASE 330-624 FINAL GEAR 319-535 STEEL BALL D3.5 (10 PCS.) 939-555 RETAINING RING FOR D28 HOLE (10 PCS.) 330-623 HAMMER CASE SET INCLUD. 1, 2, 4 322-717 GUIDE SLEEVE (D) 330-617 GUIDE SPRING (C) 330-618...
  • Page 33 STANDARD ACCESSORIES WH 14DY ITEM CODE NO. DESCRIPTION REMARKS USED CHARGER (MODEL UC 18YG) 329-674 CASE OPTIONAL ACCESSORIES ITEM CODE NO. DESCRIPTION REMARKS USED 321-823 DRILL CHUCK AND ADAPTER SET INCLUD. 616, 618 309-922 GREASE FOR IMPACT DRIVER (500G) 992-671 + DRIVER BIT (B) NO.
  • Page 34 WH 14DY ITEM CODE NO. DESCRIPTION REMARKS USED - 4 - Printed in Japan 8 - 08 *ALTERNATIVE PARTS (080829N)

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