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Hitachi WH 10DAL Service Manual
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Hitachi WH 10DAL Service Manual

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PRODUCT NAME
Hitachi 10.8 V Cordless Impact Driver
WH 10DAL
Model
CONTENTS
REPAIR GUIDE ---------------------------------------------------------------------------------------------------------------- 1
1. Precautions on disassembly and reassembly ------------------------------------------------------------- 1
STANDARD REPAIR TIME (UNIT) SCHEDULES -------------------------------------------------------------------- 8
LIST No.
WH 10DAL: J882
Jun. 2014
Page
International Sales Division
W

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Summary of Contents for Hitachi WH 10DAL

  • Page 1 LIST No. WH 10DAL: J882 Jun. 2014 PRODUCT NAME Hitachi 10.8 V Cordless Impact Driver WH 10DAL Model CONTENTS Page REPAIR GUIDE ---------------------------------------------------------------------------------------------------------------- 1 1. Precautions on disassembly and reassembly ------------------------------------------------------------- 1 2. Precautions on disassembly and reassembly of the battery charger ------------------------------- 7...

  • Page 2: Repair Guide

    1. Precautions on disassembly and reassembly [Bold] numbers in the description below correspond to item numbers in the Parts List and exploded assembly diagram for the Model WH 10DAL. Disassembly 1. Removal of guide sleeve (C) (1) Follow the procedure shown in Figs.
  • Page 3 2. Removal of the exterior parts (1) Insert a small flat-blade screwdriver between the Front Cap [6] and Hammer Case [7], and then remove the Front Cap [6] from the Hammer Case [7]. 3. Removal of housing (A).(B) set (1) Remove the eight Tapping Screws (W/Flange) D3 x 16 (Black) [35] to remove housing (B) from the Housing (A).(B) Set [29].
  • Page 4 Reassembly Perform reassembly by reversing the order of the disassembly procedure. However, special attention should be given to the following items. 1. Reassembly of the power supply unit NOTE: Perform wiring according to Figs. 6 and 7 being careful of the internal wiring and the connecting direction.
  • Page 5 Fig. 7 • Reassembly of the power supply unit (2) Battery terminal of the Switch Terminal Set [33] Concave portion Convex portion Convex portion Put the internal wires between Concave portion the ribs of housing (A). Housing (A).(B) Set [29] 2.
  • Page 6 (7) Confirm that the Spindle [16] is inserted into Washer (G) [19]. Mount the Ring Gear [21] so that its ribs are perpendicular to the ribs of the Hammer Case [7], while being careful of meshing between the Idle Gear [17] of the hammer assembly and the Ring Gear [21]. (8) Mount Packing (A) [22] to the Ring Gear [21].
  • Page 7 Fig. 11 • Reassembly of housing (A).(B) set (2) Fit the Hammer Case [7] in housing (A) securely. Hammer Case [7] Protrusion (for locking) Fit the protrusion of housing (A) in the notch of the Motor DC 12 V [23] (for locking). Fit the protrusion of the Hammer Case [7] (for locking) in the concave portion of housing (A).

  • Page 8: Precautions On Disassembly And Reassembly Of The Battery Charger

    Checking after reassembly Check the following after reassembly: (1) Confirm that the switching operation is smooth and the Model WH 10DAL can start, stop, change speed and perform forward/reverse operation reliably. (2) Confirm that the LED light goes on when the switch is turned on.

  • Page 9: Standard Repair Time (Unit) Schedules

    STANDARD REPAIR TIME (UNIT) SCHEDULES Variable MODEL 60 min. Fixed Work Flow Switch Terminal WH 10DAL Housing (A).(B) Set Motor DC 12 V General assembly Hammer Hammer Guide Case Steel Ball Sleeve Anvil D5.556 Ass’y Ring Gear Hammer Spring (E)
  • Page 10 LIST NO. J882 CORDLESS IMPACT DRIVER 2014· 6 · 26 Model WH 10DAL (E1)
  • Page 11 PARTS WH 10DAL ITEM DESCRIPTION REMARKS CODE NO. USED 329538 GUIDE SLEEVE ASS'Y INCLUD.2-5,8 995933 RETAINING RING 331959 WASHER (F) 322737 GUIDE SPRING (C) 329537 GUIDE SLEEVE (C) 337360 FRONT CAP 330955 HAMMER CASE 959148 STEEL BALL D3.175 (10 PCS.)
  • Page 12 STANDARD ACCESSORIES WH 10DAL ITEM CODE NO. DESCRIPTION REMARKS USED 983006 + DRIVER BIT NO.2 65L 992671 + DRIVER BIT (B) NO.2 50L FOR EUROPE,RUS,NZL,TUR,ISR,SAF CHARGER (MODEL UC 10SL2) 336642 CASE 331086 BATTERY COVER OPTIONAL ACCESSORIES ITEM DESCRIPTION REMARKS CODE NO.