Hitachi G 18SW2 Service Manual Download Page 1

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REPAIR GUIDE ---------------------------------------------------------------------------------------------------------------- 1

1. Precautions on disassembly and reassembly ----------------------------------------------------------- 1

STANDARD REPAIR TIME (UNIT) SCHEDULES -------------------------------------------------------------------- 8

LIST Nos.
G 18ST: F227
G 18SW2: F228
G 23ST: F229
G 23SW2: F230
Dec. 2014

PRODUCT NAME

Hitachi 180 mm Disc Grinder

Models

G 18ST, G 18SW2

Hitachi 230 mm Disc Grinder

Models

G 23ST, G 23SW2

International Sales Division

CONTENTS

G 23ST

Summary of Contents for G 18SW2

Page 1: ...TANDARD REPAIR TIME UNIT SCHEDULES 8 LIST Nos G 18ST F227 G 18SW2 F228 G 23ST F229 G 23SW2 F230 Dec 2014 PRODUCT NAME Hitachi 180 mm Disc Grinder Models G 18ST G 18SW2 Hitachi 230 mm Disc Grinder Models G 23ST G 23SW2 International Sales Division G CONTENTS G 23ST ...

Page 2: ... reassembly The Bold numbers in the descriptions below correspond to the numbers in the Parts List and the exploded assembly diagram for the Models G 18ST G 18SW2 G 23ST and G 23SW2 1 Removal of the armature 1 Loosen the Wheel Nut 27 and remove the wheel and Wheel Washer C 26 2 Loosen the Bolt M8 x 25 24 and remove the Wheel Guard Ass y 25 Disassembly REPAIR GUIDE Wheel 24 25 26 27 ...

Page 3: ...n be taken out together with the Gear Cover Ass y 4 Packing Gland 22 and related parts as shown in Fig 3 5 Loosen the four Bolts M5 x 16 23 Remove the Packing Gland 22 and related parts 6 Remove the Special Nut M10 6 and extract the pinion of the Gear and Pinion Set 29 7 Carefully extract the Armature 12 from the Gear Cover Ass y 4 12 1 4 22 23 6 Pinion 29 31 7 8 9 10 11 32 38 37 37 38 36 36 ...

Page 4: ... removed from the Housing 33 disassembly can be facilitated by heating the Housing 33 to a temperature of approximately 60 C 140 F with an appropriate heating device 4 Removal of the gear and pinion set 1 Loosen the four Bolts M5 x 16 23 and remove the Packing Gland 22 together with the Spindle 20 and the gear of the Gear and Pinion Set 29 from the Gear Cover Ass y 4 in a single body 2 Remove the ...

Page 5: ...000VV 32 on the commutator side press inward on the Dust Seal 31 while taking care of its direction until the end face of the Dust Seal 31 hits against the butting surface of the Armature 12 and make sure that the Dust Seal 31 cannot turn freely as shown in Fig 6 The Dust Seal 31 is an important element for improved dust protection of the Ball Bearing 6000VV 32 Be sure to use a new one at every di...

Page 6: ...careful not to connect in wrong direction or position and not to get the internal wires caught in parts Pass the internal wire covered with the tube of the stator through this groove Pass the internal wire of the cord through this area Fit the internal wire in the groove securely ...

Page 7: ...cumference of the metal Tapping Screws D4 x 16 35 38 2 0 0 5 N m 20 5 kgf cm 1 5 0 4 ft lbs Tapping Screw D5 x 35 1 3 4 0 7 N m 35 7 kgf cm 2 5 0 5 ft lbs Bolt M5 x 16 23 7 8 1 5 N m 80 15 kgf cm 5 8 1 1 ft lbs Special Nut M10 6 20 4 3 1 N m 200 30 kgf cm 14 4 2 2 ft lbs Machine Screw M5 x 10 16 5 9 1 5 N m 60 15 kgf cm 4 3 1 1 ft lbs Lubrication points and type of lubricant Tightening torque Cord...

Page 8: ...d on there must be no trouble when the voltage indicated below is provided between live parts and accessible metal parts Less than 150 V of the rated voltage 3 000 V x 3 sec More than 150 V of the rated voltage 4 400 V x 3 sec After no load operation for 30 minutes the no load current value should be as follows Voltage 110 V 120 V 127 V 220 V 230 V 240 V Current max 7 2 A 5 7 A 6 0 A 3 7 A 3 9 A 3...

Page 9: ...r Cover Ass y Seal Plate Handle A Switch Cord Ball Bearing 6301VV Rubber Ring Armature Dust Seal Ball Bearing 6000VV Gear and Pinion Set Housing Stator Bearing Cover B Ball Bearing 6302VV Felt Packing B Packing Gland Spindle Work Flow Wheel Guard Ass y Handle B STANDARD REPAIR TIME UNIT SCHEDULES ...

Page 10: ...18ST DISC GRINDER LIST NO F227 2014 12 11 E1 36 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 44 34 35 37 38 39 35 40 41 42 43 45 46 38 501 502 503 602 ...

Page 11: ...CKING GLAND 1 23 994192 HEX SOCKET HD BOLT W FLANGE M5 X 16 4 24 949760 HEX SOCKET HD BOLT M8 X 25 10 PCS 1 25 338291 WHEEL GUARD ASS Y 1 INCLUD 24 26 937907Z WHEEL WASHER C 1 27 937909Z WHEEL NUT M14 X 2 1 28 306890 LOCK PIN 1 29 337919 GEAR AND PINION SET 1 30 340888C STATOR 110V 1 30 340888E STATOR 220V 230V 1 30 340888F STATOR 240V 1 31 330029 DUST SEAL 1 32 6000VV BALL BEARING 6000VVCMPS2L 1 ...

Page 12: ... CORD 1 CORD ARMOR D10 7 46 500493Z CORD 1 CORD ARMOR D8 2 FOR VIE INA IND PAN 46 500435Z CORD 1 CORD ARMOR D8 2 FOR SIN 230V MAL HKG 46 500474Z CORD 1 CORD ARMOR D10 7 FOR SIN 110V 46 500496Z CORD 1 CORD ARMOR D10 7 FOR THA 46 500487Z CORD 1 CORD ARMOR D8 2 FOR BRA 12 14 3 ALTERNATIVE PARTS NO USED CODE NO ITEM NO ...

Page 13: ...D22 2 HOLE 1 FOR EUROPE RUS 602 316824 D C WHEELS 180MM A24R 25 PCS 1 603 310337 SUPER WASHER 1 604 323993 PIPE HANDLE SET 1 INCLUD 605 605 985597 BOLT M14 2 FOR PIPE HANDLE 606 332795 WHEEL GUARD BASE SET 1 WITH BASE FOOT 607 332796 WHEEL GUARD FOR CUTTING 1 WITHOUT BASE FOOT 4 Printed in Japan 12 14 141211N ALTERNATIVE PARTS NO USED CODE NO ITEM NO STANDARD ACCESSORIES NO USED CODE NO ITEM NO OP...

Page 14: ...8SW2 DISC GRINDER LIST NO F228 2014 12 11 E1 27 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 28 29 30 31 32 33 34 35 36 37 38 44 34 35 36 37 38 39 35 40 41 42 43 45 46 38 501 502 602 503 ...

Page 15: ...0V 21 320228 SEAL PLATE 1 22 320227 PACKING GLAND 1 23 994192 HEX SOCKET HD BOLT W FLANGE M5 X 16 4 24 949760 HEX SOCKET HD BOLT M8 X 25 10 PCS 1 25 338291 WHEEL GUARD ASS Y 1 INCLUD 24 25 338293 WHEEL GUARD ASS Y 1 INCLUD 24 FOR PAN 120V 26 937907Z WHEEL WASHER C 1 26 937922P WHEEL WASHER B FOR D5 8 HOLE 1 FOR PAN 120V 27 937909Z WHEEL NUT M14 X 2 1 27 937923P WHEEL NUT 5 8 11UNC 1 FOR PAN 120V 2...

Page 16: ... 337918 CORD ARMOR D11 6 1 44 337654 HANDLE D 1 45 337653 HANDLE C 1 46 500492Z CORD 1 CORD ARMOR D10 7 46 500493Z CORD 1 CORD ARMOR D8 2 FOR VIE INA IND PAN 220V 46 500496Z CORD 1 CORD ARMOR D10 7 FOR PHI CHN 46 500435Z CORD 1 CORD ARMOR D8 2 FOR SIN 230V MAL 46 500474Z CORD 1 CORD ARMOR D10 7 FOR SIN 110V 46 500453Z CORD 1 CORD ARMOR D10 7 FOR PAN 120V 46 500487Z CORD 1 CORD ARMOR D8 2 FOR BRA 2...

Page 17: ... D22 2 HOLE 1 FOR HOL RUS 602 316824 D C WHEELS 180MM A24R 25 PCS 1 603 310337 SUPER WASHER 1 604 323993 PIPE HANDLE SET 1 INCLUD 605 605 985597 BOLT M14 2 FOR PIPE HANDLE 606 332795 WHEEL GUARD BASE SET 1 WITH BASE FOOT 607 332796 WHEEL GUARD FOR CUTTING 1 WITHOUT BASE FOOT 4 Printed in Japan 12 14 141211N ALTERNATIVE PARTS NO USED CODE NO ITEM NO STANDARD ACCESSORIES NO USED CODE NO ITEM NO OPTI...

Page 18: ...ST DISC GRINDER LIST NO F229 2014 12 11 E1 27 602 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 28 29 30 31 32 33 34 35 36 37 38 45 34 35 36 37 38 39 35 40 43 44 46 47 38 501 502 41 42 503 ...

Page 19: ...20234 SPINDLE 1 20 321541 SPINDLE 1 FOR USA CAN PAN 120V 21 320228 SEAL PLATE 1 22 320227 PACKING GLAND 1 23 994192 HEX SOCKET HD BOLT W FLANGE M5 X 16 4 24 949760 HEX SOCKET HD BOLT M8 X 25 10 PCS 1 25 338292 WHEEL GUARD ASS Y 1 INCLUD 24 25 338294 WHEEL GUARD ASS Y 1 INCLUD 24 FOR USA CAN PAN 120V 25 338293 WHEEL GUARD ASS Y 1 INCLUD 24 FOR USA CAN 26 937907Z WHEEL WASHER C 1 26 334456 WHEEL WAS...

Page 20: ... CORD ARMOR D8 2 1 44 940778 CORD ARMOR D10 7 1 44 337918 CORD ARMOR D11 6 1 45 337645 HANDLE B 1 46 337644 HANDLE A 1 47 500492Z CORD 1 CORD ARMOR D10 7 47 500493Z CORD 1 CORD ARMOR D8 2 FOR VIE INA IND PAN 220V 47 500435Z CORD 1 CORD ARMOR D8 2 FOR SIN 230V MAL HKG 47 500496Z CORD 1 CORD ARMOR D10 7 FOR VIE THA 47 500497Z CORD 1 CORD ARMOR D10 7 FOR AUS NZL 47 500453Z CORD 1 CORD ARMOR D10 7 FOR...

Page 21: ... 230MM A24R 25 PCS 1 603 310337 SUPER WASHER 1 604 323993 PIPE HANDLE SET 1 INCLUD 605 605 985597 BOLT M14 2 606 332797 WHEEL GUARD FOR CUTTING 1 607 316824 D C WHEELS 180MM A24R 25 PCS 1 FOR USA CAN 608 332795 WHEEL GUARD BASE SET 1 WITH BASE FOOT FOR USA CAN 609 332796 WHEEL GUARD FOR CUTTING 1 WITHOUT BASE FOOT FOR USA CAN 4 Printed in Japan 12 14 141211N ALTERNATIVE PARTS NO USED CODE NO ITEM ...

Page 22: ...W2 DISC GRINDER LIST NO F230 2014 12 11 E1 27 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 28 29 30 31 32 33 34 35 36 37 38 44 34 35 36 37 38 39 35 40 41 42 43 45 46 38 501 502 503 504 602 ...

Page 23: ...PINDLE 1 FOR PAN 120V 21 320228 SEAL PLATE 1 22 320227 PACKING GLAND 1 23 994192 HEX SOCKET HD BOLT W FLANGE M5 X 16 4 24 949760 HEX SOCKET HD BOLT M8 X 25 10 PCS 1 25 338292 WHEEL GUARD ASS Y 1 INCLUD 24 25 338294 WHEEL GUARD ASS Y 1 INCLUD 24 FOR PAN 120V 26 937907Z WHEEL WASHER C 1 27 937909Z WHEEL NUT M14 X 2 1 27 937923P WHEEL NUT 5 8 11UNC 1 FOR PAN 120V 28 306890 LOCK PIN 1 29 330688 GEAR A...

Page 24: ...DLE D 1 45 337653 HANDLE C 1 46 500492Z CORD 1 CORD ARMOR D10 7 46 500493Z CORD 1 CORD ARMOR D8 2 FOR VIE INA IND PAN 220V 46 500496Z CORD 1 CORD ARMOR D10 7 FOR VIE PHI CHN 46 500435Z CORD 1 CORD ARMOR D8 2 FOR SIN 230V MAL 46 500474Z CORD 1 CORD ARMOR D10 7 FOR SIN 110V 46 500497Z CORD 1 CORD ARMOR D10 7 FOR NZL 46 500494Z CORD 1 CORD ARMOR D10 7 FOR GBR 230V 46 500495Z CORD 1 CORD ARMOR D11 6 F...

Page 25: ...ION REMARKS 601 994275 DIAMOND WHEEL SEGMENT 230MM D22 2 HOLE 1 FOR EUROPE RUS 602 316825 D C WHEELS 230MM A24R 25 PCS 1 603 310337 SUPER WASHER 1 604 323993 PIPE HANDLE SET 1 INCLUD 605 605 985597 BOLT M14 2 606 332797 WHEEL GUARD FOR CUTTING 1 4 Printed in Japan 12 14 141211N ALTERNATIVE PARTS NO USED CODE NO ITEM NO STANDARD ACCESSORIES NO USED CODE NO ITEM NO OPTIONAL ACCESSORIES ...

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