Hitachi CG 25SC Service Manual Download

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PRODUCT NAME

Hitachi 250 mm Grass Trimmer

Model

CG 25SC

Hitachi 300 mm Grass Trimmer

Model

CG 30SC

LIST No.
xxx. 2014

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

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

STANDARD REPAIR TIME (UNIT) SCHEDULES ------------------------------------------------------------------ 12

CONTENTS

CG 25SC

LIST Nos.
CG 25SC:
CG 30SC:
May 2015

Overseas Sales Division

Page

Summary of Contents for CG 25SC

Page 1: ...CG 25SC Hitachi 300 mm Grass Trimmer Model CG 30SC LIST No xxx 2014 REPAIR GUIDE 1 1 Precautions on disassembly and reassembly 1 STANDARD REPAIR TIME UNIT SCHEDULES 12 CONTENTS C CG 25SC LIST Nos CG 25SC CG 30SC May 2015 Overseas Sales Division Page ...

Page 2: ...reful not to cut your finger with the Blade 51 located on the back of the Protecting Cover 50 1 Disassembling the housing section 1 Open the Guide 43 wide and detach it from the housing as shown in Fig 1 2 Pull up the Upper Cover 49 from the Wire Roll Support 41 while pushing in its two latches together Remove the Wire Roll 47 with the nylon wire and Spring D 46 Next remove the Screws ST4 x 12 10 ...

Page 3: ...he motor 1 Use a hex bar wrench to turn the Cap 45 inside the Wire Roll Support 41 The Cap 45 comes off together with the M5 Nut 44 2 The Wire Roll Support 41 is press fitted to the Motor 39 Use a large bearing puller to remove it For easy removal of the support use the two side holes of the Wire Roll Support 41 and the end of the Motor 39 shaft The Wire Roll Support 41 is in contact with the ball...

Page 4: ...ewdriver to protect parts 2 Remove the six Screws ST4 x 16 4 from Handle R 5 and Handle L 13 Remove the Trigger 8 Spring A 9 Spring B 14 and the Lock Off Button 12 as shown in Fig 6 3 Remove the two Screws ST4 x 12 10 from each of the three Cord Clips 11 to remove the Cord 1 from the body Fig 5 1 2 3 8 9 10 11 12 13 11 16 15 24 25 10 14 7 6 5 4 25 Apply a piece of cloth here Flat blade screwdriver...

Page 5: ...r to that of the Model CG 30SC but they are not interchangeable 13 5 mm portion is slightly different in shape Do not mismount NOTE Replace the Wire Roll Support 41 with new one without fail when replacing the Motor 39 2 Mount the Lock Off Button 12 and Spring B 14 into Handle L 13 and then put Handle L 13 and Handle R 5 together aligning the position of Spring B 14 NOTE When putting Handle R 5 an...

Page 6: ...d normally Check that the trimmer does not operate just by pulling the Trigger 8 2 Push the Button 32 and check that Housing R 29 and Housing L 35 can be turned 180 and locked correctly 3 Check the handle portion Pipe Ass y 24 can be smoothly extended and retracted and firmly locked ...

Page 7: ...m the housing as shown in Fig 9 2 Pull up the Upper Cover 55 from the Wire Roll Support 49 while pushing in its two latches together Remove the Wire Roll 50 with the nylon wire and Spring D 54 Next remove the four Screws ST4 x 12 11 Turn the Protecting Cover 45 in the arrow direction as shown in Fig 10 to remove it 49 55 11 54 50 49 55 45 11 45 44 Disassembly of the Model CG 30SC Latch 2 pcs 1 1 2...

Page 8: ...e motor 1 Use a hex bar wrench to turn the Cap 53 inside the Wire Roll Support 49 The Cap 53 comes off together with the M5 Nut 52 2 The Wire Roll Support 49 is press fitted to the Motor 37 Use a large bearing puller to remove it For easy removal of the support use the two side holes of the Wire Roll Support 49 and the end of the Motor 37 shaft The Wire Roll Support 49 is in contact with the ball ...

Page 9: ... from Handle R 2 and Handle L 13 Remove the Trigger 6 Spring A 5 Spring B 3 and the Lock Off Button 4 as shown in Fig 13 2 Remove the two Screws ST4 x 12 11 from each of the two Cord Clips 12 to remove the Cord 15 from the body 1 2 3 8 19 16 6 4 5 22 9 10 17 18 20 23 11 12 13 14 15 ...

Page 10: ... similar to that of the Model CG 25SC but they are not interchangeable 5 mm portion is slightly different in shape Do not mismount NOTE Replace the Wire Roll Support 49 with new one without fail when replacing the Motor 37 2 Mount the Lock Off Button 4 and Spring B 3 into Handle L 13 and then put Handle L 13 and Handle R 2 together aligning the position of Spring B 3 NOTE When putting Handle R 2 a...

Page 11: ... 6 30 32 0 4 to 0 6 N m 4 to 5 kgf cm Tapping Screw ST4 4 10 1 11 1 1 to 1 3 N m 11 to 13 kgf cm M5 Nut 44 52 2 0 to 3 0 N m 20 to 30 kgf cm Upon completing disassembly and repair measure the insulation resistance and conduct an insulation test dielectric strength test Insulation resistance 7 Mȍ or more Dielectric strength 4 000 VAC for 1 minute with no abnormalities After no load operation for fi...

Page 12: ... 1 The color of the internal wire may be red or blue depending on the shipping conditions 2 Either the black or white internal wire can be connected Wiring diagram Black Red or blue 1 Blue Black or white 2 Brown Red or blue 1 Black Switch Capacitor Cord Black or white 2 Switch Black or white 2 Black or white 2 Blue Red or blue 1 Black Black Red or blue 1 Brown Capacitor Cord NO COM NO COM ...

Page 13: ...0 60 min CG 25SC CG 30SC General assembly Handle R Handle L Housing R Housing L Motor Wire Roll Support Pipe Ass y Curl Cord Work Flow Cord Cord Armor Trigger Lock Off Button Switch Spacer Button Lock Pin STANDARD REPAIR TIME UNIT SCHEDULES ...

Page 14: ... CG 25SC 2015 3 10 18 39 1 2 3 6 4 5 7 8 9 4 4 10 10 10 10 10 11 12 11 11 13 14 15 16 22 21 20 23 19 17 25 26 24 27 28 29 30 31 32 33 34 35 36 37 38 40 41 42 43 44 45 46 47 49 50 51 52 42 30 501 503 504 53 54 55 55 54 56 ...

Page 15: ...1 20 337997 Sleeve 1 21 337996 Knob 1 22 337995 M6 X 55 Bolt 1 23 337998 Sub Handle A 1 24 337968 Pipe Ass y 1 25 337994 Handle Ring 1 26 337969 Curl Cord 1 27 337991 Board R 1 28 Name Plate 1 29 337993 Housing R 1 30 337970 Tapping Screw ST3 X 6 5 pcs 2 31 337972 Spacer 1 32 337973 Button 1 33 337974 Lock Pin 1 34 337975 Spring C 1 35 337977 Housing L 1 36 337978 Board L 1 37 Hitachi Label 1 38 3...

Page 16: ...338017 Heat Shrinkable Tube B 1 60mm in length 3mm in dia 15mm X 4 pcs 56 Caution Label 1 STANDARD ACCESSORIES DESCRIPTION REMARKS 501 338001 Protective Glasses 1 503 338003 Nylon Wire 1 65mm dia X 15m 1 504 338002 Belt 1 3 15 Printed in Japan 3 150310N ALTERNATIVE PARTS NO USED CODE NO ITEM NO NO USED CODE NO ITEM NO CODE NO ...

Page 17: ...Model CG 30SC 2015 3 10 25 1 30 29 28 27 26 24 1 2 3 4 16 5 6 18 9 10 20 18 11 12 13 14 15 17 7 21 23 31 32 33 1 34 35 36 11 12 42 10 40 7 37 38 44 45 46 47 48 49 52 53 54 50 55 19 11 11 41 43 39 22 501 503 504 10 8 ...

Page 18: ...re B 1 18 338016 Terminal B 4 19 338008 Internal Wire B 1 20 338005 Terminal Block 1 21 337969 Curl Cord 1 22 337968 Pipe Ass y 1 23 6696493 Hanger Ass y 1 24 338000 Sub Handle B 1 25 338449 rubber stoper 1 26 337999 M6 Nut 1 27 337998 Sub Handle A 1 28 337997 Sleeve 1 29 337996 Knob 1 30 337995 M6 X 55 Bolt 1 31 337972 Spacer 1 32 337970 Tapping Screw ST3 X 6 5 pcs 2 33 Name Plate 1 34 337973 But...

Page 19: ...ap 1 54 337985 Spring D 1 55 337987 Upper Cover 1 STANDARD ACCESSORIES DESCRIPTION REMARKS 501 338001 Protective Glasses 1 503 338003 Nylon Wire 1 65mm dia X 15m 1 504 338002 Belt 1 3 15 Printed in Japan 3 150310N ALTERNATIVE PARTS NO USED CODE NO ITEM NO NO USED CODE NO ITEM NO CODE NO ...

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