Hitachi WH 10DL Technical Data And Service Manualice Manual
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Hitachi WH 10DL Technical Data And Service Manualice Manual

10.8 v cordless impact driver
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PRODUCT NAME
Hitachi 10.8 V Cordless Impact Driver
WH 10DL
Model
MARKETING OBJECTIVE
The new cordless impact driver Model WH 10DL is equipped with the newly developed 10.8-V lithium-ion
battery. Features of the Model WH 10DL include the following.
(1) Easy to handle thanks to the most compact body in its class.
(2) Thin handle comfortably fits in the palm of the operator's hand.
(3) Optimally balanced design with the center of gravity maintained at the center of the grip (palm of the
operator's hand)
(4) Highest tightening torque in its class in spite of the compact body
(5) Battery level warning lamp
With the new Model WH 10DL, 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 other materials (with use of the optional accessory drill chuck adapter set)
SELLING POINTS
[ NEW FEATURES ]
Lightweight and compact body (139 mm in
length and 0.9 kg in weight)
Thin handle (comfortably fits in the palm of the
operator's hand)
Optimally balanced design with the center of
gravity maintained at the center of the grip
Powerful tightening torque 105 N
Battery level warning lamp
Multiple battery protection circuits for safety
Equipped with 10.8-V lithium-ion battery
Replaceable carbon brushes
SPECIFICATIONS AND PARTS ARE SUBJECT TO CHANGE FOR IMPROVEMENT.
•
m
LIST No. H802
Mar. 2008
International Sales Division
W

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Summary of Contents for Hitachi WH 10DL

  • Page 1 Model MARKETING OBJECTIVE The new cordless impact driver Model WH 10DL is equipped with the newly developed 10.8-V lithium-ion battery. Features of the Model WH 10DL include the following. (1) Easy to handle thanks to the most compact body in its class.
  • 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) of our competitor(s). The symbol(s) utilized here is(are) as follows: Competitors...

  • Page 3: Table Of Contents

    4. Precautions for efficient use of charger and battery --------------------------------------------------- 13 5. Other precautions ---------------------------------------------------------------------------------------------- 13 REPAIR GUIDE---------------------------------------------------------------------------------------------------------------- 14 1. Precautions in disassembly and reassembly ------------------------------------------------------------ 14 2. Precautions in disassembly and reassembly of battery charger ------------------------------------ 23 STANDARD REPAIR TIME (UNIT) SCHEDULES-------------------------------------------------------------------- 24 Assembly diagram for WH 10DL...

  • Page 4: Selling Point Descriptions

    *: Based on our own research Lightweight and compact body The Model WH 10DL is easy to handle and convenient for operation in narrow places thanks to the most compact body in its class*. It is pocketable and easy to carry.
  • Page 5 HITACHI Provided Provided Provided Provided Provided Not provided Not provided Provided Not provided Not provided Not provided Provided * While B's protection circuits monitor all the cells at once, the Model WH 10DL's circuits monitor each cell for safer operation.
  • Page 6 Model UC 10SFL charger Replaceable carbon brushes The carbon brushes are externally mounted and replaceable. Thus the Model WH 10DL is economical because the motor has a long life. The carbon brushes of B and C are not replaceable because they are...

  • Page 7: Specifications

    SPECIFICATIONS 1. Specifications Model WH 10DL Small screw M4 to M8 (5/32” to 5/16”) Capacity Ordinary bolt M5 to M12 (3/16” to 15/32”) High-strength bolt M5 to M10 (3/16” to 3/8”) Tightening torque 105 N m (1,070 kgf cm, 930 in-lbs.) •...

  • Page 8: Comparisons With Similar Products

    COMPARISONS WITH SIMILAR PRODUCTS (Superior specifications: 1. Specification comparisons Maker HITACHI Model WH 10DL M4 to M8 M4 to M8 Small screw (5/32” to 5/16”) (5/32” to 5/16”) M5 to M12 M4 to M12 M5 to M12 Capacity Ordinary bolt (3/16”...

  • Page 9: Tightening Torque

    2. Tightening torque (1) Tightening torque characteristic comparisons Test conditions Bolt: M12 x 45 mm, high-strength bolt WH 10DL Steel plate: SS34P Thickness 25 mm Accessory tool: Hexagon socket (length: 40 mm, width across flat: 19 mm)
  • Page 10 (2) 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 or the material tightened. Following tables list data relative to the strength grade of various screws and the appropriate tightening torque.
  • Page 11 (3) Tightening torque characteristics The graph below shows 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 and other factors. For details, please refer to “3. Tightening torque variation”...

  • Page 12: Tightening Time

    3. Tightening time The performance of the Model WH 10DL is superior to the competitors thanks to the large hammer and the optimized impact timing. The table below shows a comparison of the screw tightening time. 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 13: Precautions In Sales Promotion

    1. Safety instructions In the interest of promoting the safest and most efficient use of the Model WH 10DL cordless impact driver by all of our customers, it is very important that at the time of sale, the salesperson carefully ensures that...
  • Page 14 Ensure that all customers understand that the Type BCL 1015 storage battery 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. If thrown into a fire, the battery may explode.

  • Page 15: Tightening Torque Inspection Prior To Operation

    2. Tightening torque inspection prior to operation The output torque of the Model WH 10DL exceeds the appropriate tightening torque of bolts and screws as described in “(3) Tightening torque characteristics” on page 8. Accordingly, if the tightening time is prolonged, the output torque exceeds the appropriated tightening torque and the screws or the bolts may be damaged or sheared off.

  • Page 16: Precautions For Efficient Use Of Charger And Battery

    (5) Different tightening conditions The tightening torque may vary according to the bolt torque coefficients (dependent on manufacturing and finishing processes, and specified by bolt manufacturers), bolt grade and bolt length even though the dimensions of the bolts are the same. The tightening torque may also vary depending on the surface finishing state and the material of workpieces (steel, aluminum, etc.).

  • 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 10DL. Disassembly 1. Removal of guide sleeve (C) By following the procedure shown in Figs.
  • Page 18 3. Removal of the carbon brushes Remove the two Brush Caps [27]. Catch the flanges of the Carbon Brushes 5 x 6 x 11.5 [26] with a small flat-blade screwdriver and remove the Carbon Brushes 5 x 6 x 11.5 [26] at both sides. 4.
  • Page 19 6. Disassembly of the switch Disconnect the internal wires (red and black) coming from the Brush Block [25] from the Switch (W/Controller and Tube) [34] by unsoldering. NOTE: Do not remove the switch and the controller from the Switch (W/Controller and Tube) [34]. 7.
  • Page 20 If black oxide is adhered to the contact between the terminal support and the battery or if the plating is peeled off, the temperature of the contact point may increase, causing malfunction of the battery or the Model WH 10DL. In such case, replace the Switch (W/Controller and Tube) [34] with new one.
  • Page 21 • Reassembly of the power supply unit Internal wire (Red) Internal wire (Black) Put the internal wires between the ribs of housing (A). 2. Reassembly of the hammer assembly (1) Put Washer (S) [14] onto the shaft of the Spindle [16] and mount the Hammer [11] containing the twenty-eight Steel Balls D3.175 [8], Washer (J) [12] and Hammer Spring [13] to the Spindle [16].
  • Page 22 • Reassembly of the hammer assembly Inner cover rib Hammer case rib 3. Reassembly of housing (A). (B) set (1) Apply silicone rubber (THREEBOND 1211) to the diagonally shaded areas in the following figure before mounting the parts to housing (A). (2) Pay attention to the following when mounting magnet (G).
  • Page 23 • Reassembly of housing (A). (B) set (2) Magnet (G) [23] Dust Guard Fin [24] Brush Block [25] Concave portion Convex portion Notch Protrusion Magnet (G) [23] Side yoke Flange Fit the protrusion of Housing (A). (B) set [30] in the notch of Magnet (G) [23] (for locking).
  • Page 24 • Reassembly of housing (A). (B) set (3) Magnet (G) [23] Brush Block [25] Dust Guard Fin [24] Ring Gear [21] Fit the Hammer Case [7] in housing (A) securely. Hammer Case [7] Protrusion (for locking) Fit the protrusion of the Hammer Case [7] (for locking) in the concave portion of housing (A).
  • Page 25 4. Mounting the exterior parts Cover the assembled housing with the LED Holder [33] and the Front Cap [6]. At this time, insert the LED light into the hole of the LED Holder [33] and align with the protrusion of the Hammer Case [7]. Then cover it with the Front Cap [6].

  • Page 26: 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 10DL can start, stop, change speed and perform forward/reverse operation reliably. (2) Check that the LED light lights when tuning on the switch.

  • Page 27: Standard Repair Time (Unit) Schedules

    STANDARD REPAIR TIME (UNIT) SCHEDULES Variable MODEL 60 min. Fixed Work Flow WH 10DL Switch Housing (A).(B) Armature and Pinion Set Magnet (A) Brush Block General Assembly Hammer Case Hammer Guide Sleeve Anvil (S) Steel Ball Ass'y Ring Gear Hammer Spring...
  • Page 28 LIST NO. H802 CORDLESS DRIVER Model WH 10DL (E1)
  • Page 29 PARTS WH 10DL ITEM CODE NO. DESCRIPTION REMARKS USED 329-538 GUIDE SLEEVE ASS'Y INCLUD. 2-5, 8 995-933 RETAINING RING 322-739 WASHER (F) 322-737 GUIDE SPRING (C) 329-537 GUIDE SLEEVE (C) 329-535 FRONT CAP 329-536 HAMMER CASE 959-148 STEEL BALL D3.175 (10 PCS.)

  • Page 30: Optional Accessories

    STANDARD ACCESSORIES WH 10DL ITEM CODE NO. DESCRIPTION REMARKS USED 992-671 + DRIVER BIT (B) NO.2 50L CHARGER (UC 10SFL) 329-553 CASE OPTIONAL ACCESSORIES ITEM CODE NO. DESCRIPTION REMARKS USED 321-823 DRILL CHUCK AND ADAPTER SET INCLUD. 616, 618 309-922...
  • Page 31 WH 10DL ITEM CODE NO. DESCRIPTION REMARKS USED - 4 - Printed in Japan 3 - 08 *ALTERNATIVE PARTS (080304N)

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