Hitachi G 13YD Technical Data And Service Manual
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Hitachi G 13YD Technical Data And Service Manual

Electronic disc grinder
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ELECTRONIC DISC GRINDER
LIST Nos. E241, E242
SPECIFICATIONS AND PARTS ARE SUBJECT TO CHANGE FOR IMPROVEMENT
MODEL
POWER TOOLS
G 13YD
G 13V
Feb. 2001
G 13YD
G 13V
TECHNICAL DATA
AND
SERVICE MANUAL
G

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  • Page 1 MODEL G 13YD G 13V POWER TOOLS ELECTRONIC DISC GRINDER TECHNICAL DATA G 13YD SERVICE MANUAL G 13V LIST Nos. E241, E242 Feb. 2001 SPECIFICATIONS AND PARTS ARE SUBJECT TO CHANGE FOR IMPROVEMENT...
  • Page 2 Notice for use Specifications and parts are subject to change for improvement. Refer to Hitachi Power Tool Technical News for further information.

  • Page 3: Table Of Contents

    CONTENTS Page 1. PRODUCT NAME ........................... 1 2. MARKETING OBJECTIVE ......................1 3. APPLICATIONS ..........................1 4. SELLING POINTS .......................... 1 5. SPECIFICATIONS .......................... 3 6. COMPARISONS WITH SIMILAR PRODUCTS ................4 6-1. Specification Comparisons ......................4 6-2. Comparisons in Torque vs. Rotation Speed and Stator Coil Temperature Rise ......5 7.

  • Page 4: Product Name

    In order to meet the requirement and also to meet the rival products, we developed the new electronic disc grinder Models G 13YD and G 13V equipped with the most powerful motor in this class. G 13V has been introduced to meet the demand for variable speed. Our market share is expected to grow with the release of these new models which broaden our lineup of disc grinders.
  • Page 5 Excellent overload durability The Models G 13YD and G 13V provide excellent overload durability thanks to an improved cooling mechanism and a high-power motor. Practical test data: Comparison of torque when the stator coil temperature rise is 200 K G 13YD, G 13V B1, B2 Fig.

  • Page 6: Specifications

    5. SPECIFICATIONS Model G 13YD G 13V Item O.D. 125 mm (5") Dimensions x Thickness 6 mm (1/4") Depressed x I.D. 22 mm (7/8") center Max. practical wheel 4,800 m/min (15,756 ft/min, 80 m/s) peripheral speed Type A, 36, Q, BF...

  • Page 7: Comparisons With Similar Products

    6. COMPARISONS WITH SIMILAR PRODUCTS 6-1. Specification Comparisons HITACHI Maker Model G 13YD G 13V Wheel diameter 125 (5") 125 (5") Power input 1,020 1,110 Output Max. output 1,330 1,730 2,800 --- 11,000 11,000 10,000 2,800 --- 10,000 No-load speed /min (2-5/16")

  • Page 8: Comparisons In Torque Vs. Rotation Speed And Stator Coil Temperature Rise

    (2) The rotation speed of the Models G 13YD and G 13V is higher than that of B1 and B2 at the same torque under heavy load conditions. This shows that the Models G 13YD and G 13V ensure excellent performance.

  • 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 G 13YD and G 13V Electronic Disc Grinders by all of our customers, it is very important that at the time of sale, 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 Name Plate or Caution Plate attached to each tool.

  • Page 10: Operation Phenomena To Be Noted In Sales Promotion

    The customer should be advised that the Models G 13YD and G 13V are specifically designed to perform more efficiently and faster with considerably less applied pressure than is required for conventional disc grinders, and that skillful use of the tools with minimal applied pressure will avoid actuating the overload protection circuit.

  • Page 11: Function And Operation Of The Control Circuit

    8. FUNCTION AND OPERATION OF THE CONTROL CIRCUIT 8-1. Contorl Circuit (Block Diagram) * Model G 13V only 8-2. Function of Each Block (1) Rotation speed detector: Generates a frequency signal proportionate to the actual rotation speed of the motor. A magnetic sensor in the controller monitors changes in the magnetic flux from a magnet, and generates a frequency signal.

  • Page 12: Motor Characteristics And Voltage Applied To The Motor

    8-3. Motor Characteristics and Voltage Applied to the Motor Phase control voltage waveform G 13V Dial G 13YD G 13V Dial G 13V Dial --- 9 ---...

  • Page 13: Precautions In Disassembly And Reassembly

    The [Bold] numbers in the descriptions below correspond to the numbers in the Parts List and the exploded assembly diagram for G 13YD, and the <Bold> numbers to those in the Parts List and the exploded assembly diagram for G 13V.

  • Page 14: Disassembly

    9-2. Disassembly (1) Disassembly of the armature 1) Loosen the Tapping Screw (W/Flange) D4 x 20 (Black) [53] <53> to pull out the Tail Cover [52] <52>. 2) Remove the two Carbon Brushes [40] <40> from the Brush Holders [41] <41>. 3) Loosen the four Tapping Screws D5 x 25 [1] <1>...
  • Page 15 (5) Disassembly of the slide knob 1) Loosen the Tapping Screw (W/Flange) D4 x 20 (Black) [53] <53> to pull out the Tail Cover [52] <52>. 2) Hold the Housing [35] <35> and raise the Slide Bar [43] <43> until the Slide Knob [34] <34> moves to the "ON"...

  • Page 16: Reassembly

    9-3. Reassembly Push the parts together in the reverse order of disassembly, with the precautions given below. (1) Generously lubricate the teeth of Gear [17] <17> and Pinion [6] <6> with grease. Rub grease onto the teeth with your fingers so that the grease reaches each tooth bottom. Note that the Gear [17] <17> and Pinion [6] <6>...
  • Page 17 Fig. 10 (7) When replacing the Gear Cover Ass'y [4] <4>, lubricate the metal part with mixed oil. Mixed oil: Mixture of Hitachi power tool grease No. 2 (Unilube No. 00) and turbine oil Mixture ratio ... 1:1 (weight ratio) Volume ...
  • Page 18 (B) SINCE FEB. 2001 INTER- MODEL CODE ITEM PART NAME CODE SUPPLY ITEM REMARKS CHANGE- PART NAME NAME ABILITY G 13YD 319372 CONTROLLER 319372 DISCONTINUED CONTROLLER INCLUD. 54, 55 CORD CLIP 930108 CONTINUED 937631 CORD CLIP INTER- 305720 TAPPING SCREW...

  • Page 19: Connecting Internal Wires And Wiring Diagrams

    9-4. Connecting Internal Wires and Wiring Diagrams Connect the internal wires according to Figs. 11 to 13. Noise Suppressor [50] <50> Numbers in the following figures correspond to the internal wires of Stator (A). Brush Holder [41] <41> (Side A) Connect to the Brush Holder [41] <41>...

  • Page 20: Lubrication Points And Types Of Lubricant

    Nippeco grease (SEP-3A) 6 g Generously rub grease onto the gear and pinion. Metal ..................Mixed oil 0.5 cc Mixed oil: Mixture of Hitachi power tool grease No. 2 (Unilube No. 00) and turbine oil Mixture ratio 1:1 (weight ratio) 9-6.

  • Page 21: Standard Repair Time (Unit) Schedules

    10. STANDARD REPAIR TIME (UNIT) SCHEDULES Variable 60 min. MODEL Fixed Work Flow G 13YD G 13V Wheel Guard Ass'y Housing General Assembly Stator Pinion Slide Bar Ball Bearing Spring (628VV) Bearing Holder Armature Dust Seal Ball Bearing (608VV) Pushing Button...
  • Page 22 LIST NO. E241 ELECTRIC TOOL PARTS LIST ELECTRONIC DISC GRINDER 2000 • • Model G 13YD (E1)
  • Page 23 PARTS G 13YD ITEM CODE NO. DESCRIPTION REMARKS USED 937-807 TAPPING SCREW D5X25 317-807 GUARD PLATE 301-944 PUSHING BUTTON 316-484 GEAR COVER ASS’Y INCLUD.3,16 301-941 SPECIAL NUT M7 316-437 PINION 628-VVC BALL BEARING 628VVC2PS2-L 316-480 BEARING HOLDER 360-540E ARMATURE 230V...
  • Page 24 PARTS G 13YD ITEM CODE NO. DESCRIPTION REMARKS USED 319-371 TAIL COVER 301-653 TAPPING SCREW (W/FLANGE) D4X20 (BLACK) 500-409Z CORD (CORD ARMOR D8.8) 500-447Z CORD (CORD ARMOR D8.8) FOR SUI 500-247Z CORD (CORD ARMOR D8.8) FOR NOR,SWE,DEN 930-108 CORD CLIP TILL 1.2001...
  • Page 25 STANDARD ACCESSORIES G 13YD ITEM CODE NO. DESCRIPTION REMARKS USED 938-332Z WRENCH 302-142 SIDE HANDLE OPTIONAL ACCESSORIES ITEM CODE NO. DESCRIPTION REMARKS USED 937-825Z RUBBER PAD 937-826Z WASHER NUT 314-062 SANDING DISCS 125MM C-P16 (10 PCS.) 314-063 SANDING DISCS 125MM C-P20 (10 PCS.) 314-064 SANDING DISCS 125MM C-P24 (10 PCS.)
  • Page 26 E242 LIST NO. ELECTRIC TOOL PARTS LIST ELECTRONIC DISC GRINDER 2000 • • Model G 13V (E1)
  • Page 27 WHEEL NUT M14 316-436 GEAR ASS’Y INCLUD.6,17 314-428 SLIDE KNOB 317-802 HOUSING NAME PLATE 995-662 RUBBER RING 318-721 MAGNET HITACHI LABEL 999-076 CARBON BRUSH (AUTO STOP TYPE) (1 PAIR) 317-810 BRUSH HOLDER 308-536 SPRING 319-370 SLIDE BAR 314-429 SPRING 319-899 CONTROLLER SET INCLUD.55A,56A...
  • Page 28 PARTS G 13V ITEM CODE NO. DESCRIPTION REMARKS USED 319-376 TAIL COVER 301-653 TAPPING SCREW (W/FLANGE) D4X20 (BLACK) 500-409Z CORD (CORD ARMOR D8.8) 500-247Z CORD (CORD ARMOR D8.8) FOR NOR,SWE,DEN 500-447Z CORD (CORD ARMOR D8.8) FOR SUI 500-439Z CORD (CORD ARMOR D8.8) FOR AUS 930-108 CORD CLIP TILL 1.2001...
  • Page 29 STANDARD ACCESSORIES G 13V ITEM CODE NO. DESCRIPTION REMARKS USED 938-332Z WRENCH 302-142 SIDE HANDLE OPTIONAL ACCESSORIES ITEM CODE NO. DESCRIPTION REMARKS USED 937-825Z RUBBER PAD 937-826Z WASHER NUT 314-062 SANDING DISCS 125MM C-P16 (10 PCS.) 314-063 SANDING DISCS 125MM C-P20 (10 PCS.) 314-064 SANDING DISCS 125MM C-P24 (10 PCS.) 314-065...

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