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Hitachi W 6VB3 Technical Data And Service Manual

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SCREW DRIVER
LIST Nos. W 6VB3: 0797
W 8VB2: 0799
SPECIFICATIONS AND PARTS ARE SUBJECT TO CHANGE FOR IMPROVEMENT
MODELS
Hitachi
Power Tools
W 6VB3
W 8VB2
Nov. 2004
W 6VB3
W 8VB2
TECHNICAL DATA
AND
SERVICE MANUAL
W

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Summary of Contents for Hitachi W 6VB3

  • Page 1 MODELS W 6VB3 W 8VB2 Hitachi Power Tools SCREW DRIVER TECHNICAL DATA W 6VB3 SERVICE MANUAL W 8VB2 Nov. 2004 LIST Nos. W 6VB3: 0797 W 8VB2: 0799 SPECIFICATIONS AND PARTS ARE SUBJECT TO CHANGE FOR IMPROVEMENT...
  • Page 2 REMARK: 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 W 6VB3 Competitor Symbol Utilized Model Name Company Name...

  • Page 3: Table Of Contents

    5. SPECIFICATIONS ........................... 5 5-1. Specifications ............................5 5-2. Optional Accessories ........................6 6. COMPARISONS WITH SIMILAR PRODUCTS ................7 6-1. W 6VB3 ............................. 7 6-2. W 8VB2 ............................. 7 7. PRECAUTIONS IN SALES PROMOTION ..................8 7-1. Handling Instructions ........................8 7-2. Caution Plates ..........................8 7-3.

  • Page 4: Product Name

    2. MARKETING OBJECTIVE The Models W 6VB2 and W 8VB screw drivers have been on the market for 5 years. The new Models W 6VB3 and W 8VB2 are totally redesigned screw drivers with strong aluminum gear cover and inner cover and ergonomical housing and handle cover with soft grip.

  • Page 5: Selling Point Descriptions

    218 (8-19/32") 210 (8-1/4") 2) Ergonomical design for better operation The Models W 6VB3 and W 8VB2 are equipped with the following four parts as a result of pursuance of the ergonomical design. Soft grip housing and handle cover The entire body is covered with the uniquely designed elastomer and the grip portion is uneven and matte- finished to make it resistant to slipping.
  • Page 6 The locator is used for adjusting the screw head depth. The current Models W 6VB2 and W 8VB require the operator to pull the lock sleeve and turn the locator for adjustment. The Models W 6VB3 and W 8VB2 are easier to adjust just by turning the locator.
  • Page 7 A new fan developed by the 3-D digital analysis technology is adopted. Thanks to the optimized air passage, the noise level of the Models W 6VB3 and W 8VB2 is the lowest in the class. Table 2 shows a comparison of the no-load noise level.

  • Page 8: Specifications

    5. SPECIFICATIONS 5-1. Specifications Model W 6VB3 W 8VB2 Drywall screw 6 mm (1/4") Capacity Self-drilling screw 6 mm (1/4") 5.8 mm dia. x 50 mm ( 7/32" dia. x 2") Wood screw 6.35 mm (1/4") Bit mounting size Power source...

  • Page 9: Optional Accessories

    5-2. Optional Accessories (1) For hex-head screws Hex-socket Sub-stopper (B) Magnetic type Non magnetic type H = 6.35 mm H = 6.35 mm H 1/4 H = 7.94 mm H = 7.94 mm H 5/16 H = 9.53 mm H = 9.53 mm H 3/8 H = 10 mm H = 10 mm...

  • Page 10: Comparisons With Similar Products

    6. COMPARISONS WITH SIMILAR PRODUCTS 6-1. W 6VB3 Maker HITACHI Model W 6VB3 W 6VB2 Capacity Drywall screw 6 (1/4") 6 (1/4") Self-drilling screw 6 (1/4") 6 (1/4") 6 (1/4") 5.8 dia. x 50 5.8 dia. x 50 Wood screw (7/32"...

  • Page 11: Precautions In Sales Promotion

    7. PRECAUTIONS IN SALES PROMOTION In the interest of promoting the safest and most efficient use of the Models W 6VB3 and W 8VB2 electric screwdrivers 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 12: Self-Drilling Screws

    Specific adjustment procedures are as follows. (1) Head of screw protrudes above workpiece surface (Fig. 1). If dimension A in Fig. 3 is excessively small, the head of the driven screw will protrude above the surface of the workpiece material as shown in Fig. 1. To adjust dimension A, rotate the locator clockwise as viewed from the screw mounting end (see Note below).

  • Page 13: Variable-Speed Switch

    7-6. Variable-speed Switch This switch is equipped with a variable speed control circuit. Through the control circuit, the speed can be controlled up to 65 % of maximum speed according to the degree at which the switch is depressed. A disadvantage of this system is that if the bit becomes locked resulting in stoppage of the motor, the speed control circuit may be burnt out.

  • Page 14: Precautions In Disassembly And Reassembly

    8. PRECAUTIONS IN DISASSEMBLY AND REASSEMBLY The numbers in the descriptions below correspond to the item numbers in the Parts List and exploded assembly diagram. The [BOLD] numbers are for the Model W 6VB3, the <Bold> numbers for the Model W 8VB2. 8-1. Disassembly A.

  • Page 15: Reassembly

    Armature (D) [24] <24>. (2) Lubrication Grease: Hitachi Motor Grease (Code No. 930035) Application: (a) Fill a moderate amount of grease in Gear Cover Ass'y (B) [8] <8>. (If Gear Cover Ass'y (B) [8] <8> is new, fill it with 7 g of grease.)
  • Page 16 (3) Tightening torque Handle cover retaining screws 1.5 --- 2.5 N m {15 --- 25 kg cm (13.0 --- 21.7 Ibs-in)} • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • Cord clip retaining screws 1.5 --- 2.5 N m {15 --- 25 kg...

  • Page 17: Wiring Diagrams

    8-3. Wiring Diagrams (1) Products with noise suppressor Fig. 7 (2) Products without noise suppressor Fig. 8 --- 14 ---...

  • Page 18: Internal Wire Arrangement And Wiring Work

    8-4. Internal Wire Arrangement and Wiring Work A. Internal wire arrangement (1) Products with noise suppressor (2) Products without noise suppressor Fig. 9 Schematic diagram --- 15 ---...

  • Page 19: Insulation Tests

    B. Additional wiring work General internal wiring can be accomplished by referring to paragraph 8-3 and 8-4-A. The following are special instructions for switch connection. (1) Wiring of reversing switch Insert the lead wire (brown) coming from the brush holder into the terminal (1) of the reversing switch, and the lead wire (blue) into the terminal (2) as shown in Fig.

  • Page 20: No-Load Current Values

    8-6. No-load Current Values After no-load operation for 30 minutes, the no-load current value should be as follows. Voltage (V) Current (A) max. --- 17 ---...

  • Page 21: Standard Repair Time (Unit) Schedules

    9. STANDARD REPAIR TIME (UNIT) SCHEDULES Variable MODEL 60 min. Fixed Work Flow W 6VB3 W 8VB2 Switch Cord Cord Armor Housing Stator General Assembly Armature Ball Bearing (608VV) x 2 Washer (A) Inner Cover Ass'y (A) Ball Bearing (608VV)
  • Page 22 Hitachi Power Tools LIST NO. 0797 ELECTRIC TOOL PARTS LIST SCREW DRIVER 2004 • • Model W 6VB3 (E1)
  • Page 23 PARTS W 6VB3 ITEM CODE NO. DESCRIPTION REMARKS USED 876-031 O-RING (S-16) 323-487 LOCATOR ASS’Y 1 INCLUD. 3 323-488 CLICK SPRING 971-468 FRINGER (A) 317-662 O-RING (F) 323-494 PROTECT COVER (B) 321-057 TAPPING SCREW D4X25 (BLACK) 323-498 GEAR COVER ASS’Y (B) 1 INCLUD.
  • Page 24 PARTS W 6VB3 ITEM CODE NO. REMARKS DESCRIPTION USED 984-750 TAPPING SCREW (W/FLANGE) D4X16 959-140 CONNECTOR 50091 (10 PCS.) 2 EXCEPT FOR USA, CAN, SAU 930-039 NOISE SUPPRESSOR 1 EXCEPT FOR USA, CAN, SAU 994-273 NOISE SUPPRESSOR 1 EXCEPT FOR USA, CAN, SAU...
  • Page 25 STANDARD ACCESSORIES W 6VB3 ITEM CODE NO. DESCRIPTION REMARKS USED 323-352 SUB STOPPER (G) FOR FRA, ITA, AUT, SAU 971-511Z + DRIVER BIT (A) NO.2 25L FOR FRA, ITA, AUT, SAU 982-554Z MAGNETIC BIT HOLDER (75L) FOR FRG 317-674 MAGNETIC BIT HOLDER ASS’Y (41L) INCLUD.
  • Page 26 Hitachi Power Tools LIST NO. 0799 ELECTRIC TOOL PARTS LIST SCREW DRIVER 2004 • • Model W 8VB2 (E1)
  • Page 27 HEX. HD. TAPPING SCREW D4X50 340-599C STATOR 110V-120V 340-599E STATOR 220V-240V 608-VVM BALL BEARING 608VVC2PS2L NAME PLATE 323-471 HOOK HITACHI LABEL 323-512 BRUSH HOLDER (A) 999-091 CARBON BRUSH (AUTO STOP TYPE) (1 PAIR) 323-566 CHOKE COIL (W/INTERNAL WIRE) BROWN 323-479...
  • Page 28 PARTS W 8VB2 ITEM CODE NO. REMARKS DESCRIPTION USED 317-667 INTERNAL WIRE 992-635 EARTH TERMINAL 323-484 HANDLE COVER 301-653 TAPPING SCREW (W/FLANGE) D4X20 (BLACK) 8 -- 04 * ALTERNATIVE PARTS --- 3 -- -...
  • Page 29 STANDARD ACCESSORIES W 8VB2 ITEM CODE NO. DESCRIPTION REMARKS USED 323-352 SUB STOPPER (G) EXCEPT FOR GBR, AUS 971-511Z + DRIVER BIT (A) NO. 2 25L FOR FRA, BEL, FRG, AUT, SUI 317-674 MAGNETIC BIT HOLDER ASS’Y (41L) INCLUD. 502 FOR FRA, BEL, AUT, SUI 982-554Z MAGNETIC BIT HOLDER (75L) FOR FRG...

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W 8vb2

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