Hitachi W 4YD Technical Data And Service Manual
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Hitachi W 4YD Technical Data And Service Manual

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MODEL
W 4YD
Hitachi
Power Tools
TECHNICAL DATA
AUTOMATIC SCREW DRIVER
AND
W 4YD
SERVICE MANUAL
W
LIST No. E709
Oct. 2005
SPECIFICATIONS AND PARTS ARE SUBJECT TO CHANGE FOR IMPROVEMENT

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  • Page 1 MODEL W 4YD Hitachi Power Tools TECHNICAL DATA AUTOMATIC SCREW DRIVER W 4YD SERVICE MANUAL LIST No. E709 Oct. 2005 SPECIFICATIONS AND PARTS ARE SUBJECT TO CHANGE FOR IMPROVEMENT...
  • Page 2 REMARK: Throughout this TECHNICAL DATA AND SERVICE MANUAL, a symbol is used in the place of company name and model name of our competitor. The symbol utilized here is as follows: Competitors Symbols Utilized Company Name Model Name 6833 MAKITA...

  • Page 3: Table Of Contents

    8-1. Disassembly ............................. 8 8-2. Reassembly ............................ 12 8-3. Lubrication ............................14 8-4. Screw Tightening Torque ........................ 14 8-5. Insulation Tests ..........................14 8-6. No-load Current Value ........................14 9. STANDARD REPAIR TIME (UNIT) SCHEDULES ................ 15 Assembly Diagram for W 4YD...

  • Page 4: Product Name

    The Model W 4YD is an automatic screwdriver developed for use with collated screws with the aim for better operability. It features the most compact and lightweight body in its class. In addition, the Model W 4YD is of a high-impact design and easier to operate than the conventional model thanks to the minimum moment of center of gravity and the feeder load as well as the class-first large soft grip.

  • Page 5: Selling Points Descriptions

    4-1-3. Comfortable and easy-to-operate soft grip handle The handle has a large soft grip for a comfortable fit in the user's hand and slip resistance. The Model W 4YD is easy to operate thanks to the lightweight body and the improved handle shape that enables to tighten screws vertically with the main body held upward.
  • Page 6 4-1-4. Returning the screw strip in the opposite direction The screw strip can be returned to the desired position in the opposite direction while pressing the reverse button at the left of the slider. It is convenient when the screw strip is overfed. Reverse button Collated screw strip 4-1-5.
  • Page 7 4-1-6. Slider case can be removed by one-touch simple operation The slider case can be easily removed just by turning 45 degrees and pulling as shown in the figure below for smooth bit replacement. Slider case 4-1-7. Angle-adjustable hook The angle of the hook can be adjusted in five steps (0û, 20û, 40û, 60ûand 80û) by pulling out the hook in the direction of arrow (A) and turning in the direction of arrow (B) as shown below.

  • Page 8: Specifications

    5. SPECIFICATIONS 5-1. Specifications Capacity D4 x 25 - - - 41 mm (5/32" dia. x 1" - - - 1-5/8") Collated screw strips (50 screws) Type and number of screws 6.35 mm (1/4") (Dihedral width) Mounting method of bit Power supply Single phase AC 50/60 Hz, voltage 240 V and 230 V Type of motor...

  • Page 9: Comparisons With Similar Products

    7. PRECAUTIONS IN SALES PROMOTION In the interest of promoting the safest and most efficient use of the Model W 4YD Automatic Screw Driver by all of our customers, it is very important that at the time of sales 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 attached to each tool.

  • Page 10: Precautions In Handling

    7-3-1. Use of the specified genuine bit Use of any bit other than the one specifically designed for the Model W 4YD may lead to incomplete tightening or improper feeding of screws. Ensure that the customers do not use any bit other than that specified.

  • Page 11: Precautions In Disassembly And Reassembly

    8. PRECAUTIONS IN DISASSEMBLY AND REASSEMBLY The [Bold] numbers in the following descriptions correspond to the item numbers in the parts list of the Model W 4YD. 8-1. Disassembly 8-1-1. Disassembly of the slider case ass'y ... See Fig. 1.
  • Page 12 8-1-3. Disassembly of the housing ... See Fig. 2. (a) Remove the slider case ass'y. (b) Slide Guide Sleeve (A) [32] in the arrow direction and pull out the + Driver Bit No. 2 136.4L [28]. (c) Remove the Hook Ass'y [53]. (d) Remove the two Brush Caps [51] and pull out the two Carbon Brushes [52].
  • Page 13 (b) Each component of the socket ass'y can be removed by removing the Retaining Ring [29] (Fig. 4). Be careful not to lose the Steel Ball D3.175 [34]. * Be careful of the mounting direction of the Retainer [30], Guide Sleeve (A) [32], Metal [33] and Clutch Disc [36] at reassembly.
  • Page 14 8-1-5. Disassembly of the armature and the stator ... See Fig. 5. [49] (a) Remove housing (B). [50] Take out the Armature [56], Stator [57] and Brush Block Ass'y [55] [61] together from housing (A). (b) The Second Pinion and Gear Set [49] can also be removed. [56] 8-1-6.

  • Page 15: Reassembly

    8-2. Reassembly Simply reverse the disassembly procedure, while observing the following precautions. 8-2-1. Switch Noise suppressor: Black Stator: Yellow Cord: Brown Cord: Blue Stator: White Noise suppressor: Black Fig. 7 Wiring of the switch viewed from the bottom 8-2-2. Wiring diagram 240 V Fig.
  • Page 16 8-2-3. Internal wire arrangement 230 V 240 V Fig. 9 Internal wire arrangement (1) Connect the internal wires properly as illustrated in Fig. 9. Ensure that the wiring does not contact the Armature [56]. (2) Mount housing (B) being careful not to catch the internal wires. --- 13 ---...

  • Page 17: Lubrication

    8-3. Lubrication ... See Fig. 10. [29] [30] [31] [32] [33] [34] [35] [40] [37] [39] [36] [38] (1) Grease applied: Nippeco SEP-3A (Code No. 930035) [49] (2) Greasing locations [50] (a) Fill a proper amount of grease (about 7 g) in the gear box of housing (A).

  • Page 18: Standard Repair Time (Unit) Schedules

    9. STANDARD REPAIR TIME (UNIT) SCHEDULES Variable MODEL Fixed Work Flow W 4YD Retaining Ring Stopper Pin Retainer Spring Guide Spring Steel Ball Guide Sleeve Knob Metal Steel Ball Slider Ass'y Stopper Guide Block Ass'y Plate (A) General Assembly Slider (A).(B)
  • Page 19 Hitachi Power Tools LIST NO. E709 ELECTRIC TOOL PARTS LIST AUTOMATIC SCREW DRIVER 2005 • • Model W 4YD (E1)
  • Page 20 PARTS W 4YD ITEM CODE NO. DESCRIPTION REMARKS USED 324-183 SHEET (2 PCS.) 324-863 STOPPER 324-177 GUIDE BLOCK 324-184 PLATE (A) 324-185 SPRING (C) 324-165 SLIDER (A).(B) SET 324-175 CLUTCH PLATE 324-167 SPROCKET 324-489 SPRING 324-173 ARM (B) 324-174 ARM SPRING...
  • Page 21 PARTS W 4YD ITEM CODE NO. REMARKS DESCRIPTION USED 999-021 CARBON BRUSH (1 PAIR) 320-287 HOOK ASS’Y INCLUD. 54 320-288 V-LOCK NUT M5 690-1VV BALL BEARING 6901VVCMPS2L 360-707E ARMATURE 230V 360-707F ARMATURE 240V 340-623E STATOR 230V 340-623F STATOR ASS’Y 240V INCLUD.
  • Page 22 STANDARD ACCESSORIES W 4YD ITEM CODE NO. DESCRIPTION REMARKS USED 310-904 CASE Printed in Japan --- 4 --- * ALTERNATIVE PARTS 10 -- 05 (051012N)

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