Hitachi W 6VB2 Technical And Service Manual
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Hitachi W 6VB2 Technical And Service Manual

Hitachi screw driver technical data and service manual
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MODEL
W 6VB2
W 8VB
POWER TOOLS
TECHNICAL DATA
SCREW DRIVER
AND
W 6VB2, W 8VB
SERVICE MANUAL
W
LIST Nos. W 6VB2: 0780
Jul. 1999
W 8VB: 0781
SPECIFICATIONS AND PARTS ARE SUBJECT TO CHANGE FOR IMPROVEMENT

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Summary of Contents for Hitachi W 6VB2

  • Page 1 MODEL W 6VB2 W 8VB POWER TOOLS TECHNICAL DATA SCREW DRIVER W 6VB2, W 8VB SERVICE MANUAL LIST Nos. W 6VB2: 0780 Jul. 1999 W 8VB: 0781 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 6VB2 Competitors Symbols Utilized Model Name Company Name...

  • Page 3: Table Of Contents

    [ Appendix ] Assembly Diagram for W 6VB2 • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • •...

  • Page 4: Product Name

    2. MARKETING OBJECTIVE The W 6VB screw driver has been on the market for 14 years. The new W 6VB2/W 8VB are totally redesigned with an easy-to-grip body structure and other features in response to the diverse needs of customers. In particular, the W 8VB has been introduced to meet the demand for higher torque.

  • Page 5: Specifications

    5. SPECIFICATIONS 5-1. Specifications Model W 6VB2 W 8VB 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 6: 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 7: Comparisons With Similar Products

    6. COMPARISONS WITH SIMILAR PRODUCTS 6-1. W 6VB2 Maker HITACHI Model W 6VB2 W 6VB Capacity Self-drilling screw Dry-wall screw Wood screw 5.8 dia. x 50 5.8 dia. x 50 Power input U.S.A. Other areas Voltage, Full-load current V, A 115, 6.4...

  • Page 8: Screw Tightening Time

    Tables 1 and 2 show the relationship between thrust and tightening time based on factory tests. The tightening time may vary a little as screws are not necessarily uniform. The time information is for reference. <W 6VB2> Table 1 Mean tightening time (sec.)

  • Page 9: Precautions In Sales Promotion

    7. PRECAUTIONS IN SALES PROMOTION In the interest of promoting the safest and most efficient use of the Models W 6VB2 and W 8VB 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 10: 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, pull the lock sleeve in the direction indicated by the arrow in Fig.

  • Page 11: 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 75 % 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 12: Reassembly

    (1) Lubrication Grease: Hitachi Motor Grease (Code No. 930035) Application: (a) Fill a moderate amount of grease in the Gear Cover Ass'y [10]. (If the Gear Cover Ass'y is new, fill it with 7 g of grease.)

  • Page 13: Wiring Diagrams

    8-3. Wiring Diagrams (1) Products with noise suppressor Reversing switch Variable switch Stator White Gray Blue Noise suppressor Capacitor Power source Yellow Stator Brown Fig. 6 (2) Products without noise suppressor Reversing switch Variable switch Stator Gray White Blue Power source Yellow Stator Brown...

  • Page 14: Internal Wire Arrangement And Wiring Work

    8-4. Internal Wire Arrangement and Wiring Work A. Internal wire arrangement Insert earth terminal between stator core and housing White (Stator) Brown (Carbon brush) Blue (Carbon brush) Gray (Stator) Blue (Carbon brush) White (Stator) Yellow (Stator) Noise suppressor Fig. 8 Schematic diagram --- 11 ---...
  • Page 15 B. Additional wiring work General internal wiring can be accomplished by referring to paragraph 8-3 and 8-4-A. The followings are special instructions for switch connection. (Stator) (Carbon brush) (1) Wiring of reversing switch Insert the lead wire (red) coming from the stator into the terminal (1) of the reversing switch, and the lead wire (gray) into the terminal (2) as shown in Fig.

  • Page 16: Insulation Tests

    (2) Wiring of variable speed control switch Insert each cord into the terminal 1 ↑ and terminal 2 ↑ of the speed control switch as shown in Fig. 10, and tighten the screw [tightening torque: 0.6 _ + 0.2 N m (6 _ + 2 kgf cm, 5.2 _ + 1.7 •...

  • Page 17: Standard Repair Time (Unit) Schedules

    9. STANDARD REPAIR TIME (UNIT) SCHEDULES Variable MODEL 60 min. Fixed Work Flow W 6VB2 W 8VB Speed control switch Housing.Handle Cord Armor Cover Set Cord Stator Carbon Brush General Assembly Armature Ball Bearing (608VV) x 2 Inner Cover Ass'y...

  • Page 18: Assembly Diagram For W 6Vb2

    Assembly Diagram for W 6VB2 --- 15 ---...
  • Page 19 W 6VB2 PARTS ITEM CODE NO. DESCRIPTION REMARKS USED 985-322 MAGNETIC HEX. SOCKET 5/16"X65L FOR AUS,GBR,NOR,USA 985-321 MAGNETIC HEX. SOCKET 10MMX65L FOR HOL,FIN,CHN 317-670 FOR HOL,FIN,CHN SUB STOPPER (B) FOR H3/8,H10 HEX. SOCKET 317-671 FOR AUS,GBR,NOR,USA SUB STOPPER (B) FOR H5/16 HEX. SOCKET...
  • Page 20 W 6VB2 PARTS ITEM CODE NO. DESCRIPTION REMARKS USED 992-635 EARTH TERMINAL FOR NOISE SUPPRESSOR 959-140 CONNECTOR 50091 (10 PCS.) 317-667 INTERNAL WIRE 930-039 NOISE SUPPRESSOR EXCEPT FOR USA 994-273 NOISE SUPPRESSOR EXCEPT FOR USA 305-812 TAPPING SCREW (W/FLANGE) D4X16 (BLACK)
  • Page 21 W 6VB2 STANDARD ACCESSORIES ITEM CODE NO. DESCRIPTION REMARKS USED 971-511Z + DRIVER BIT (A) NO.2 25L 317-674 MAGNETIC BIT HOLDER ASS’Y (41L) INCLUD.501 FOR FRG,FRA,HOL,AUT 982-554Z MAGNETIC BIT HOLDER (75L) FOR FRG OPTIONAL ACCESSORIES ITEM CODE NO. DESCRIPTION REMARKS...

  • Page 22: Assembly Diagram For W 8Vb

    Assembly Diagram for W 8VB --- 19 ---...
  • Page 23 INTERNAL WIRE (B) EXCEPT FOR USA 314-918 INTERNAL WIRE (B) (BROWN) FOR USA 999-041 CARBON BRUSH (1 PAIR) 955-203 BRUSH HOLDER 317-676 HOOK (A) HITACHI LABEL 992-635 EARTH TERMINAL FOR NOISE SUPPRESSOR 2 ---- 99 : ALTERNATIVE PARTS --- 20 ---...
  • Page 24 W 8VB PARTS ITEM CODE NO. DESCRIPTION REMARKS USED 959-140 CONNECTOR 50091 (10 PCS.) EXCEPT FOR USA 317-667 INTERNAL WIRE EXCEPT FOR USA 930-039 NOISE SUPPRESSOR EXCEPT FOR USA 994-273 NOISE SUPPRESSOR EXCEPT FOR USA 305-812 TAPPING SCREW (W/FLANGE) D4X16 (BLACK) 937-631 CORD CLIP 953-327...

  • Page 25: Standard Accessories

    W 8VB STANDARD ACCESSORIES ITEM CODE NO. DESCRIPTION REMARKS USED 971-511Z + DRIVER BIT (A) NO.2 25L FOR FRG,FRA,HOL 317-674 MAGNETIC BIT HOLDER ASS’Y (41L) INCLUD.501 FOR FRG,FRA,HOL 982-554Z MAGNETIC BIT HOLDER (75L) FOR FRG OPTIONAL ACCESSORIES ITEM CODE NO. DESCRIPTION REMARKS USED...

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