Hitachi G 10SR3 Technical Data And Service Manual
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Hitachi G 10SR3 Technical Data And Service Manual

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DISC GRINDER
LIST Nos. G 10SR3: E289
G 12SR3: E290
G 13SR3: E288
SPECIFICATIONS AND PARTS ARE SUBJECT TO CHANGE FOR IMPROVEMENT
G 10SR3
G 12SR3
G 13SR3
Apr. 2007
MODELS
G 10SR3
G 12SR3
G 13SR3
POWER TOOLS
TECHNICAL DATA
SERVICE MANUAL
AND
G

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Summary of Contents for Hitachi G 10SR3

  • Page 1 G 12SR3 G 13SR3 POWER TOOLS DISC GRINDER G 10SR3 TECHNICAL DATA G 12SR3 SERVICE MANUAL G 13SR3 LIST Nos. G 10SR3: E289 Apr. 2007 G 12SR3: E290 G 13SR3: E288 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: G 10SR3 Competitor Symbols Utilized Company Name Model Name...

  • Page 3: Table Of Contents

    8-4. Tightening Torque ........................... 11 8-5. Wiring Diagrams ..........................12 8-6. Insulation Tests ..........................13 8-7. No-Load Current Value ........................13 9. STANDARD REPAIR TIME (UNIT) SCHEDULES ................ 14 Assembly Diagram for G 10SR3 Assembly Diagram for G 12SR3 Assembly Diagram for G 13SR3...

  • Page 4: Product Name

    The key features of the Models G 10SR3, G 12SR3, and G 13SR3 in comparison with the previous models are as follows:...

  • Page 5: Specifications

    5. SPECIFICATIONS Model G 10SR3 G 12SR3 G 13SR3 Item O.D. 100 mm (4") O.D. 115 mm (4-1/2") O.D. 125 mm (5") Depressed Dimensions x Thickness 4 mm (5/32") x Thickness 6 mm (1/4") x Thickness 6 mm (1/4") center x I.D.
  • Page 6 Excellent overload durability The Models G 10SR3, G 12SR3 and G 13SR3 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...

  • Page 7: Comparisons With Similar Products

    6. COMPARISONS WITH SIMILAR PRODUCTS 6-1. Specification Comparisons Maker HITACHI G 10SR3/G 12SR3/ G 10SR2/ Model G 13SR2 G 13SR3 G 12SR2 100 (4")/ 100 (4")/115 (4-1/2")/ 100 (4")/ Wheel diameter 125 (5") 100 (4") 115 (4-1/2") 115 (4-1/2") 125 (5") 115 (4-1/2")

  • Page 8: Practical Test Data

    The graph below shows the relationship between load and temperature rise of stator coil. The temperature rise of the Models G 10SR3, G 12SR3 and G 13SR3 is the lowest among similar models. This means that the resistance to overload usage of the Models G 10SR3, G 12SR3 and G 13SR3 is superior to other models.

  • 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 10SR3, G 12SR3 and G 13SR3 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: Precautions On Usage

    7-3. Precautions on Usage (1) The wheel guard must be aligned in relation to the side handle mounting position. As illustrated in Figs. 4 and 5, the customer should be instructed that the wheel guard mounting angle must be aligned and fixed in accordance with the side handle mounting position so that the operator's hand will not contact the depressed center wheel.

  • Page 11: Precautions In Disassembly And Reassembly

    8. PRECAUTIONS IN DISASSEMBLY AND REASSEMBLY The [Bold] numbers in the descriptions below correspond to the numbers in the Parts Lists and exploded assembly diagram for the Models G 10SR3, G 12SR3 and G 13SR3. 8-1. Disassembly (1) Replacement of the armature and the stator Loosen the Tapping Screw (W/Flange) D4 x 16 (Black) [51] to pull out the Tail Cover [49].

  • Page 12: Reassembly

    8-2. Reassembly Put the parts together in the reverse order of disassembly, with the precautions given below. (1) Generously lubricate the teeth of the Gear [18] and the Pinion [5] with grease. Rub grease onto the teeth with your fingers so that the grease reaches each tooth bottom. Note that the Gear [18] and the Pinion [5] may wear at a faster rate if under-lubricated.
  • Page 13 (4) When installing the Stator [11] into the Housing Ass'y [37], insert it while taking care of the placement of the internal wires of the Stator [11] as indicated in Fig. 8. Connect the four internal wires of Stator [11] with the parts indicated in Fig. 8. Connect the internal wires correctly as shown in Fig.

  • Page 14: Lubrication Points And Types Of Lubricant

    Tail Cover [49]. (7) When replacing the Gear Cover Ass'y [3], 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 0.5 cc...

  • Page 15: Wiring Diagrams

    8-5. Wiring Diagrams For the U.S.A., Canada, U.A.E. and India Switch (1P Solder Type) [42] Stator [11] Yellow Yellow Brown Black Blue Cord [52] White Yellow Yellow Pillar Terminal [41] For U.K. (110 V) Switch (1P Solder Type) [42] Stator [11] Black Black Brown...

  • Page 16: Insulation Tests

    8-6. Insulation Tests On completion of disassembly and repair, measure the insulation resistance and conduct the dielectric strength test. Insulation resistance: 10 M or more with DC 500 V Megohm Tester Dielectric strength: AC 4,400 V/3 seconds, with no abnormalities 220 V -- - 240 V •...

  • Page 17: Standard Repair Time (Unit) Schedules

    9. STANDARD REPAIR TIME (UNIT) SCHEDULES Variable MODEL 60 min. Fixed Work Flow G 10SR3 G 12SR3 Switch G 13SR3 Tail Cover Cord Housing Ass'y Cord Armor Stator Slide Bar Spring Slide Knob General Assembly Armature Pinion Ball Bearing (628VV)
  • Page 18 Hitachi Power Tools LIST NO. E289 ELECTRIC TOOL PARTS LIST DISC GRINDER 2007 • • Model G 10SR3 (E1)
  • Page 19 PARTS G 10SR3 ITEM CODE NO. DESCRIPTION REMARKS USED 307-028 TAPPING SCREW (W/FLANGE) D4X25 (BLACK) 301-944 PUSHING BUTTON 327-891 GEAR COVER ASS’Y INCLUD. 2, 15 309-191 SPECIAL NUT M6 327-889 PINION 628-VVC BALL BEARING 628VVC2PS2-L 327-887 BEARING HOLDER 360-799C ARMATURE 110V 360-799U ARMATURE ASS’Y 120V...
  • Page 20 PARTS G 10SR3 ITEM CODE NO. REMARKS DESCRIPTION USED 305-499 MACHINE SCREW (W/WASHER) M3.5X6 959-140 CONNECTOR 50091 (10 PCS.) FOR EUROPE, GBR, AUS, NZL, CHN, TPE, KOR 980-063 TERMINAL FOR NOISE SUPPRESSOR 317-491 NOISE SUPPRESSOR FOR EUROPE, GBR, AUS, NZL, CHN, TPE, KOR...
  • Page 21 STANDARD ACCESSORIES G 10SR3 ITEM CODE NO. DESCRIPTION REMARKS USED 313-933 WRENCH 318-312 SIDE HANDLE 319-375 CASE FOR AUS, NZL OPTIONAL ACCESSORIES ITEM CODE NO. DESCRIPTION REMARKS USED 314-053 SANDING DISCS 100MM C-P24 (10 PCS.) 314-054 SANDING DISCS 100MM C-P30 (10 PCS.) 314-057 SANDING DISCS 100MM C-P50 (10 PCS.)
  • Page 22 Hitachi Power Tools LIST NO. E290 ELECTRIC TOOL PARTS LIST DISC GRINDER 2007 • • Model G 12SR3 (E1)
  • Page 23 PARTS G 12SR3 ITEM CODE NO. DESCRIPTION REMARKS USED 307-028 TAPPING SCREW (W/FLANGE) D4X25 (BLACK) 301-944 PUSHING BUTTON 327-891 GEAR COVER ASS’Y INCLUD. 2, 15 309-191 SPECIAL NUT M6 327-889 PINION 628-VVC BALL BEARING 628VVC2PS2-L 327-887 BEARING HOLDER 360-799C ARMATURE 110V 360-799U ARMATURE ASS’Y 120V INCLUD.
  • Page 24 FOR NOISE SUPPRESSOR 317-491 NOISE SUPPRESSOR EXCEPT FOR SYR, USA, CAN, VEN, KUW, INA, IND 328-509 INTERNAL WIRE FOR EUROPE, GBR (230V), SUI, AUS, NZL, SAF, CHN HITACHI LABEL 327-894 TAIL COVER NAME PLATE 307-811 TAPPING SCREW (W/FLANGE) D4X16 (BLACK) 500-409Z CORD (CORD ARMOR D8.8)
  • Page 25 STANDARD ACCESSORIES G 12SR3 ITEM CODE NO. DESCRIPTION REMARKS USED 938-332Z WRENCH 318-312 SIDE HANDLE 319-375 CASE FOR USA, CAN, AUS, NZL OPTIONAL ACCESSORIES ITEM CODE NO. DESCRIPTION REMARKS USED 314-095 SANDING DISCS 115MM C-P16 (10 PCS.) 314-096 SANDING DISCS 115MM C-P20 (10 PCS.) 314-097 SANDING DISCS 115MM C-P24 (10 PCS.) 314-098...
  • Page 26 Hitachi Power Tools LIST NO. E288 ELECTRIC TOOL PARTS LIST DISC GRINDER 2007 • • Model G 13SR3 (E1)
  • Page 27 EXCEPT FOR INA, SIN, KUW 980-063 TERMINAL FOR NOISE SUPPRESSOR 994-273 NOISE SUPPRESSOR EXCEPT FOR INA, SIN, KUW 328-509 INTERNAL WIRE EXCEPT FOR INA, SIN, KUW HITACHI LABEL 327-894 TAIL COVER NAME PLATE --- 2 --- * ALTERNATIVE PARTS 4 -- 07...
  • Page 28 PARTS G 13SR3 ITEM CODE NO. REMARKS DESCRIPTION USED 307-811 TAPPING SCREW (W/FLANGE) D4X16 (BLACK) 500-409Z CORD (CORD ARMOR D8.8) 500-423Z CORD (CORD ARMOR D8.8) FOR SIN, KUW 500-439Z CORD (CORD ARMOR D8.8) FOR NZL, AUS 500-447Z CORD (CORD ARMOR D8.8) FOR SUI 500-468Z CORD (CORD ARMOR D8.8) FOR CHN...
  • Page 29 STANDARD ACCESSORIES G 13SR3 ITEM CODE NO. DESCRIPTION REMARKS USED 938-332Z WRENCH 318-312 SIDE HANDLE 319-375 CASE FOR NZL, AUS OPTIONAL ACCESSORIES ITEM CODE NO. DESCRIPTION REMARKS USED 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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