Hitachi G 12SE2 Technical Data And Service Manual
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Hitachi G 12SE2 Technical Data And Service Manual

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DISC GRINDER
LIST Nos. G 12SE2: E258
G 13SE2: E259
SPECIFICATIONS AND PARTS ARE SUBJECT TO CHANGE FOR IMPROVEMENT
MODELS
Hitachi
Power Tools
G 12SE2
G 13SE2
Revised Jul. 2003
G 12SE2
G 13SE2
TECHNICAL DATA
AND
SERVICE MANUAL
G

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Summary of Contents for Hitachi G 12SE2

  • Page 1 MODELS G 12SE2 G 13SE2 Hitachi Power Tools DISC GRINDER TECHNICAL DATA G 12SE2 SERVICE MANUAL G 13SE2 LIST Nos. G 12SE2: E258 Revised Jul. 2003 G 13SE2: E259 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: Competitors Symbols Utilized Model Name Company Name AG13-125X ATRAS COPCO GWS9-125 BOSCH...

  • Page 3: Table Of Contents

    8-3. Lubrication Points and Types of Lubricant ................... 10 8-4. Tightening Torque ........................10 8-5. Wiring Diagrams ........................... 11 8-6. Insulation Tests ..........................12 8-7. No-load Current Value ......................... 12 9. STANDARD REPAIR TIME (UNIT) SCHEDULES ...............13 Assembly Diagram for G 12SE2 Assembly Diagram for G 13SE2...

  • Page 4: Product Name

    The new Models G 12SE2 and G 13SE2 are the upgraded versions of the current Models G 12SE and G 13SE, featuring high power input (1200 W) to compete with the competitors.
  • Page 5 Class-top overload durability The Models G 12SE2 and G 13SE2 provide class-top 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 12SE2...

  • Page 6: Specifications

    5. SPECIFICATIONS Model G 12SE2 G 13SE2 Item O.D. 115 mm (4-1/2") O.D. 125 mm (5") Dimensions x Thickness 6 mm (1/4") x Thickness 6 mm (1/4") Depressed- x I.D. 22.2 mm (7/8") x I.D. 22.2 mm (7/8") center Max. practical...

  • Page 7: Comparisons With Similar Products

    6. COMPARISONS WITH SIMILAR PRODUCTS 6-1. Specification Comparisons HITACHI Maker G 12SE G 12SE2 Model name G 13SE2 G 13SE 115/125 115/125 Capacity: (4-1/2"/5") (4-1/2"/5") Depressed-center wheel dia. (mm) (5") (5") 1,200 1,020 Power input *1 1,250 Power output *1...

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

    Models G 12SE/G 13SE, Q and B. (2) The stator coil temperature rise of the Models G 12SE2 and G 13SE2 is lower than that of the Models G 12SE/ G 13SE, Q and B. This means that the Models G 12SE2 and G 13SE2 are resistant to burn out even at a heavy load operation and their motors are tough.

  • 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 12SE2 and G 13SE2 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 In Disassembly And Reassembly

    8. PRECAUTIONS IN DISASSEMBLY AND REASSEMBLY The [Bold] numbers in the descriptions below correspond to the numbers in the Parts List. 8-1. Disassembly (1) Disassembly of the armature (Fig. 5) 1. Open the Lever [31], loosen the Machine Screw (W/Washers) M5 x 25 [32], and remove the Wheel Guard Ass'y (Toolless Type) [35].
  • Page 11 (2) Disassembly of the dust seal 1. Insert the hooks of the J-204 bearing puller between the commutator and the Dust Seal (A) [17] from both sides, and fix the hooks with the wing bolts. 2. Place the J-204 bearing puller on a supporting jig and push down on the armature shaft with a hand press to remove Dust Seal (A) [17] together with the Ball Bearing 608VVC2PS2L [18].

  • Page 12: 8-2.Reassembly

    Fig. 8 (5) When replacing the Gear Cover Ass'y [4], lubricate the needle bearing 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 13: Lubrication Points And Types Of Lubricant

    Pinion chamber of Gear Cover Ass'y [4] ....... Nippeco grease (SEP-3A) 10 g Generously rub grease onto the gear and pinion. Needle bearing ..............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) 8-4.

  • Page 14: Wiring Diagrams

    8-5. Wiring Diagrams (1) For European countries, Australia, New Zealand and South Africa White Pillar Blue terminal Stator Black Black White Blue Noise suppressor Cord Black Black White Stator Brown Switch Blue Black (2) For U.S.A. and Canada Pillar terminal Stator White Yellow...

  • Page 15: Insulation Tests

    8-6. Insulation Tests On completion of disassembly and repair, measure the insulation resistance, and conduct the dielectric strength test. Insulation resistance: 7 M Ω or more with DC 500 V Megohm Tester Dielectric strength test: AC 4,000 V/1 minute, with no abnormalities ....220 V --- 240 V products AC 2,500 V/1 minute, with no abnormalities ....

  • Page 16: Standard Repair Time (Unit) Schedules

    9. STANDARD REPAIR TIME (UNIT) SCHEDULES Variable 60 min. MODEL Fixed Work Flow G 12SE2 G 13SE2 Tail Cover (A) Switch Tail Cover (B) Paddle Lever Lock Lever Carbon Brush x 2 Cord Brush Holder x 2 Spring x 2...
  • Page 17 Hitachi Power Tools LIST NO. E258 ELECTRIC TOOL PARTS LIST DISC GRINDER 2003 • • Model G 12SE2 (E2)
  • Page 18 PARTS G 12SE2 ITEM CODE NO. DESCRIPTION REMARKS USED 303-255 SEAL LOCK SCREW (W/SP. WASHER) M4X10 320-523 TAPPING SCREW D5X25 (BLACK) 301-944 PUSHING BUTTON 321-737 GEAR COVER ASS’Y 1 INCLUD. 3, 19 949-558 NUT M8 (10 PCS.) 308-541 PINION 308-543...
  • Page 19 PARTS G 12SE2 ITEM CODE NO. DESCRIPTION REMARKS USED 321-733 RUBBER RING 311-738 SWITCH BOX 930-039 NOISE SUPPRESSOR 1 EXCEPT FOR USA, CAN 311-741 TERMINAL 980-063 TERMINAL 1 FOR USA, CAN 321-739 TAIL COVER (B) 303-694 TAPPING SCREW (W/FLANGE) D4X35 (BLACK)
  • Page 20 STANDARD ACCESSORIES G 12SE2 ITEM CODE NO. DESCRIPTION REMARKS USED 938-332Z WRENCH 994-322 SIDE HANDLE OPTIONAL ACCESSORIES ITEM CODE NO. DESCRIPTION REMARKS USED 937-825Z RUBBER PAD 938-317 RUBBER PAD FOR USA, CAN 937-826Z WASHER NUT 938-318 WASHER NUT FOR USA, CAN 314-095 SANDING DISCS 115MM C-P16 (10 PCS.)
  • Page 21 Hitachi Power Tools LIST NO. E259 ELECTRIC TOOL PARTS LIST DISC GRINDER 2003 • • Model G 13SE2 (E2)
  • Page 22 D. C. WHEELS 125MM A36Q (25 PCS.) 994-324 WHEEL NUT M14 937-923P WHEEL NUT 5/8”-11UNC FOR USA, CAN 321-735 GEAR AND PINION ASS’Y INCLUD. 6, 20 HITACHI LABEL 321-731 HOUSING NAME PLATE --- 2 --- * ALTERNATIVE PARTS 7 -- 03...
  • Page 23 PARTS G 13SE2 ITEM CODE NO. DESCRIPTION REMARKS USED 321-733 RUBBER RING 311-738 SWITCH BOX 930-039 NOISE SUPPRESSOR EXCEPT FOR USA, CAN 311-741 TERMINAL 980-063 TERMINAL FOR USA, CAN 321-739 TAIL COVER (B) 303-694 TAPPING SCREW (W/FLANGE) D4X35 (BLACK) 938-307 PILLAR TERMINAL 301-653 TAPPING SCREW (W/FLANGE) D4X20 (BLACK)
  • Page 24 STANDARD ACCESSORIES G 13SE2 ITEM CODE NO. DESCRIPTION REMARKS USED 938-332Z WRENCH 994-322 SIDE HANDLE OPTIONAL ACCESSORIES ITEM CODE NO. DESCRIPTION REMARKS USED 937-825Z RUBBER PAD 938-317 RUBBER PAD FOR USA, CAN 937-826Z WASHER NUT 938-318 WASHER NUT FOR USA, CAN 314-062 SANDING DISCS 125MM C-P16 (10 PCS.) 314-063...

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G 13se2

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