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Hitachi G 12SD2 Technical Data And Service Manual
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Hitachi G 12SD2 Technical Data And Service Manual

Hitachi G 12SD2 Technical Data And Service Manual

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DISC GRINDERS
G 10SD2, G 12S2, G 13SD
LIST Nos. G 10SD2: E234
G 12S2:
E235
G 13SD: E236
SPECIFICATIONS AND PARTS ARE SUBJECT TO CHANGE FOR IMPROVEMENT
MODEL
G 10SD2, G 12S2,
G 13SD
POWER TOOLS
Jun. 1999
TECHNICAL DATA
AND
SERVICE MANUAL
G

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Summary of Contents for Hitachi G 12SD2

  • Page 1 MODEL G 10SD2, G 12S2, G 13SD POWER TOOLS TECHNICAL DATA DISC GRINDERS G 10SD2, G 12S2, G 13SD SERVICE MANUAL LIST Nos. G 10SD2: E234 Jun. 1999 G 12S2: E235 G 13SD: E236 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 10SD1 Competitor Symbol Utilized Model Name Company Name 9526NB MAKITA G 12S2...
  • Page 3 CONTENTS [ Business Section ] Page 1. PRODUCT NAME • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • 2.
  • Page 4 In addition to these models, the Model G 13SD [125 mm (5 ")] is introduced with outstanding working efficiency and wear resistance. These Models are extensions of the HITACHI compact-body disc grinder series and are intended to boost sales, and draw attention to the whole line.
  • Page 5 • Excellent overload durability The Models G 10SD2, G 12S2 and G 13SD provide excellent overload durability thanks 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 10SD2/ G 13SD G 12S2...
  • Page 6 5. SPECIFICATIONS Model G 10SD2 G 12S2 G 13SD Item O.D. 100 mm (4") O.D. 115 mm (4-1/2") O.D. 125 mm (5") Dimensions x Thickness 4 mm (5/32") x Thickness 6 mm (1/4") x Thickness 6 mm (1/4") x I.D. 16 mm (5/8") x I.D.
  • Page 7 6. COMPARISONS WITH SIMILAR PRODUCTS 6-1. Specification Comparisons Maker HITACHI Model G 10SD2 G 10SD1 Wheel diameter Power input Output Max. output 1,000 No-load speed /min 11,000 11,000 11,000 56 dia. 63 dia. 63 dia. Grip diameter Grip perimeter Dimensions...
  • Page 8 Maker HITACHI Model G 12S2 G 12S1 Wheel diameter Power input Output Max. output 1,000 /min No-load speed 11,000 11,000 11,000 11,000 59 dia. 63 dia. 56 dia. 63 dia. Grip diameter Grip perimeter Dimensions Weight* 1.55 (Actual weight) (1.65) (1.6)
  • Page 9 Maker HITACHI Model G 13SD Wheel diameter Power input Output Max. output 1,000 /min No-load speed 10,000 11,000 56 dia. 63 dia. Grip diameter Grip perimeter Dimensions Weight* (Actual weight) (1.67) (1.5) Grip diameter Grip perimeter * Weight excludes cord, side handle, depressed center wheel, wheel nut, wheel washer and wheel guard.
  • Page 10 12,000 Rotation speed of spindle 10,000 G 10SD2 HITACHI G 12S2 G 10SD1 8,000 HITACHI G 12S1...
  • Page 11 10,000 Rotation speed of spindle 8,000 HITACHI G 13SD 6,000 4,000 HITACHI G 13SD 2,000 Stator coil temp. rise : Burn-out point Load Fig. 2 Comparison in torque vs. rotation speed and stator coil temperature rise (G 13SD) Fig. 2 indicates: (1) The Model G 13SD is equipped with a high-power motor and improved cooling mechanism.
  • Page 12 7. PRECAUTIONS IN SALES PROMOTION In the interest of promoting the safest and most efficient use of the Models G 10SD2, G 12S2 and G 13SD 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 constants 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 13 8. 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 10SD2 and G 12S2, and the <Bold> numbers to those in the Parts List and the exploded assembly diagram for G 13SD.
  • Page 14 (5) Disassembly of the gear (Fig. 5) 1 Loosen the four Seal Lock Screws M4 x 12 [23] <23> fixing the Packing Gland [22] <22>, and remove the Packing Gland [22] <22> from the Gear Cover Ass'y [4] <4>. 2 Support the bottom of the Packing Gland [22] <22> with a jig, and push down on the upper portion of the Spindle [25] <25>...
  • Page 15 (4) Connect the four internal wires of Stator (A) [12] <12> with the parts indicated in Fig. 7. Connect the internal wires correctly as shown in Fig. 8. Connect to the Brush Holder [40] <41> (Side A) Connect to the Brush Holder [40] <41>...
  • Page 16 Spring end 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 tubine oil • • Mixture ratio...1:1 (weight ratio) Volume...
  • Page 17 8-5. Wiring Diagrams (1) For European countries, Australia, New Zealand, South Africa and China Switch Stator Black Brown Black Black Noise suppressor Cord Blue Black White Stator Black (2) For other countries Switch Stator Black Brown Black Black Cord Blue Black White Stator...
  • Page 18 8-6. Insulation Tests On completion of disassembly and repair, measure the insulation resistance, and conduct the dielectric strength test. Insulation resistance: or more with DC 500V Megohm Tester Dielectric strength test: AC 4,000 V/1 minute, with no abnormalities 220 V --- 240 V products •...
  • Page 19 9. STANDARD REPAIR TIME (UNIT) SCHEDULES Variable MODEL 60 min. Fixed Work Flow G 10SD2 G 12S2 Slide Switch Cord Housing Tail Cover Startor (A) G 13SD Carbon Brush Slide Bar General Assembly Pinion Ball Bearing (628 VV) Bearing Holder Armature Ball Bearing (608 VV)
  • Page 20 Assembly Diagram for G 10SD2 --- 17 ---...
  • Page 21 314-437 WHEEL NUT (C) 317-819 GEAR ASS’Y INCLUD.6,17 314-428 SLIDE KNOB 317-802 HOUSING NAME PLATE 995-662 RUBBER RING HITACHI LABEL 999-088 CARBON BRUSH (1 PAIR) 317-810 BRUSH HOLDER 308-536 SPRING 317-806 SLIDE BAR 314-429 SPRING 980-778 SLIDE SWITCH (2P PILLAR TYPE)
  • Page 22 G 10SD2 PARTS ITEM CODE NO. DESCRIPTION REMARKS USED 981-373 TUBE (D) FOR NOISE SUPPRESSOR 953-327 CORD ARMOR D8.8 317-808 TAIL COVER 307-811 TAPPING SCREW (W/FLANGE) D4X16 (BLACK) 500-455Z CORD (CORD ARMOR D8.8) 500-409Z CORD (CORD ARMOR D8.8) FOR INA 500-237Z CORD (CORD ARMOR D8.8) FOR HKG,GBR...
  • Page 23 G 10SD2 STANDARD ACCESSORIES ITEM CODE NO. DESCRIPTION REMARKS USED 313-933 WRENCH 302-142 SIDE HANDLE OPTIONAL ACCESSORIES ITEM CODE NO. DESCRIPTION REMARKS USED 936-558Z RUBBER PAD 935-513 WASHER NUT M10XP1.5 936-548 WASHER 314-051 SANDING DISCS 100MM C-P16 (10 PCS.) 314-052 SANDING DISCS 100MM C-P20 (10 PCS.) 314-053 SANDING DISCS 100MM C-P24 (10 PCS.)
  • Page 24 Assembly Diagram for G 12S2 --- 21 ---...
  • Page 25 994-324 WHEEL NUT M14 317-819 GEAR ASS’Y INCLUD.6,17 314-428 SLIDE KNOB 317-802 HOUSING NAME PLATE 995-662 RUBBER RING HITACHI LABEL 999-088 CARBON BRUSH (1 PAIR) 317-810 BRUSH HOLDER 308-536 SPRING 317-806 SLIDE BAR 314-429 SPRING 980-778 SLIDE SWITCH (2P PILLAR TYPE)
  • Page 26 G 12S2 PARTS ITEM CODE NO. DESCRIPTION REMARKS USED 981-373 TUBE (D) FOR NOISE SUPPRESSOR 953-327 CORD ARMOR D8.8 317-808 TAIL COVER 307-811 TAPPING SCREW (W/FLANGE) D4X16 (BLACK) 500-409Z CORD (CORD ARMOR D8.8) 500-237Z CORD (CORD ARMOR D8.8 FOR GBR,SAF 500-439Z CORD (CORD ARMOR D8.8) FOR AUS...
  • Page 27 G 12S2 STANDARD ACCESSORIES 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 310-338 SUPER WASHER 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.)
  • Page 28 Assembly Diagram for G 13SD --- 25 ---...
  • Page 29 994-324 WHEEL NUT M14 316-436 GEAR ASS’Y INCLUD.6,17 314-428 SLIDE KNOB 317-802 HOUSING NAME PLATE 995-662 RUBBER RING HITACHI LABEL 999-088 CARBON BRUSH (1 PAIR) 317-810 BRUSH HOLDER 308-536 SPRING 317-806 SLIDE BAR 314-429 SPRING 980-778 SLIDE SWITCH (2P PILLAR TYPE)
  • Page 30 G 13SD PARTS ITEM CODE NO. DESCRIPTION REMARKS USED 994-273 NOISE SUPPRESSOR EXCEPT FOR INA,HKG 981-373 TUBE (D) FOR NOISE SUPPRESSOR 953-327 CORD ARMOR D8.8 317-808 TAIL COVER 307-811 TAPPING SCREW (W/FLANGE) D4X16 (BLACK) 500-409Z CORD (CORD ARMOR D8.8) 500-237Z CORD (CORD ARMOR D8.8) FOR HKG,GBR,SAF 500-439Z...
  • Page 31 G 13SD STANDARD ACCESSORIES ITEM CODE NO. DESCRIPTION REMARKS USED 938-332Z WRENCH 302-142 SIDE HANDLE OPTIONAL ACCESSORIES ITEM CODE NO. DESCRIPTION REMARKS USED 310-338 SUPER WASHER 994-309 HANDLE JOINT : ALTERNATIVE PARTS 3 ---- 99 Printed in Japan (990325 N) --- 28 ---...

This manual is also suitable for:

G 10sd2G 13sd2