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* ALTERNATIVE PARTS

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ITEM

NO.

CODE NO.

DESCRIPTION

REMARKS

NO.

USED

PARTS

11 -- 05

C 9BU2

1

673-002

NEEDLE BEARING (HK1212)

1

2

303-789

SPINDLE AND GEAR SET

1

3

303-790

BEARING HOLDER

1

4

303-797

SEAL LOCK FLAT HD. SCREW M6X14

2

5

998-887

LINER

1

6

620-3VV

BALL BEARING 6203VVCMPS2L

1

7

325-353

SAFETY COVER

1

8

303-805

RETURN SPRING

1

9

303-804

BEARING COVER

1

10

992-013

SEAL LOCK FLAT HD. SCREW M5X14

2

11

302-476

WASHER (A)

1

*

12

303-809

TCT SAW BLADE 235MM-D15.9 HOLE-NT20

1

*

12

303-810

TCT SAW BLADE 235MM-D30 HOLE-NT20

1

13

325-354

SAW COVER

1

14

HITACHI LABEL

1

15

324-669

DUST COLLECTOR

1

16

324-139

SPECIAL BOLT

1

17

302-464

KNOB

1

18

304-043

MACHINE SCREW (W/WASHERS) M4X10 (BLACK)

1

19

302-423

WASHER (B)

1

20

324-662

HEX. SOCKET HD. BOLT M8X15.5

1

21

305-691

MACHINE SCREW (W/WASHERS) M4X14 (BLACK)

4

22

937-623

BRUSH TERMINAL

2

*

23

340-661C STATOR ASS’Y 110V

1

INCLUD. 22

*

23

340-661E

STATOR ASS’Y 230V

1

INCLUD. 22

24

325-352

FAN GUIDE

1

*

25

360-759C ARMATURE 110V

1

*

25

360-759E

ARMATURE 230V

1

26

303-793

LOCK LEVER

1

27

949-884

ROLL PIN D8X50 (10 PCS.)

1

28

325-350

GEAR COVER

1

29

961-729

CUSHION

1

30

949-794

FLAT HD. SCREW M6X20 (10 PCS.)

1

31

325-356

RUBBER BUSHING

1

32

325-355

BEARING BUSHING

1

33

600-0VV

BALL BEARING 6000VVCMPS2L

1

34

960-251

HEX. HD. TAPPING SCREW D5X65

2

35

620-2VV

BALL BEARING 6202VVCMPS2L

1

36

303-792

RUBBER RING

1

37

324-660

KNOB

1

38

676-531

O-RING (P-7)

1

39

303-801

SLEEVE

1

40

324-658

WING NUT M8

1

41

949-433

BOLT WASHER M8 (10 PCS.)

1

42

301-806

WING BOLT M6X15

1

43

947-859

LOCK SPRING

1

44

302-469

SLOTTED HD. SET SCREW (SEAL LOCK) M6X6

1

45

325-366

BASE ASS’Y

1

INCLUD. 40, 41, 46-50, 54, 55, 79

46

317-333

MACHINE SCREW (W/SP. WASHER) M4X6

1

47

324-659

GUIDE PIECE

1

48

302-457

BOLT (SQUARE) M8X30

1

Summary of Contents for C 9U2

Page 1: ...CHNICAL DATA AND SERVICE MANUAL CIRCULAR SAWS C 9U2 C 9BU2 SPECIFICATIONS AND PARTS ARE SUBJECT TO CHANGE FOR IMPROVEMENT LIST Nos C 9U2 E513 C 9BU2 E514 Nov 2005 C MODELS C 9U2 C 9BU2 Hitachi Power Tools ...

Page 2: ...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 Symbol Utilized Competitor Company Name Model Name B BOSCH GKS85S C MAKITA 5903R C 9U2 C 9BU2 ...

Page 3: ...PARISONS WITH SIMILAR PRODUCTS 6 7 PRECAUTIONS IN SALES PROMOTION 7 7 1 Handling Instructions 7 7 2 Caution on Name Plate 7 8 PRECAUTIONS IN DISASSEMBLY AND REASSEMBLY 8 8 1 Disassembly 8 8 2 Reassembly 9 8 3 Insulation Tests 13 8 4 Cleaning the Cover 13 9 STANDARD REPAIR TIME UNIT SCHEDULES 14 Assembly Diagram for C 9U2 Assembly Diagram for C 9BU2 ...

Page 4: ...ightweight body until now it is upgraded to the new Models C 9U2 and C 9BU2 owing to revision of the European Standard concerning circular saws in April 2006 With these new models we aim to expand our market share The key features of the new models are as follows 1 Compact and light weight 2 Unique design 3 Low noise and vibration 4 Electric brake Model C 9BU2 only 5 PTFE coating base for smooth s...

Page 5: ...ction to blow out cutting dust on the ink line Precise and heavy duty aluminum die cast base and lower guard Comfortable and nonskid soft touch handle Main handle Adjustable steel guide piece Powerful motor Unique design Electric brake Models C 9BU2 only Most lightweight in the class thanks to the gear cover made of die cast magnesium alloy PTFE coating base for smooth sliding of workpieces Model ...

Page 6: ... rotation of the motor is braked upon turning off the switch and stopped in a shorter time than the case of a circular saw without braking function Thus the Model C 9BU2 can quickly start the next work 5 PTFE coating base for smooth sliding of workpieces Model C 9BU2 only When the operator pushes the circular saw forward during cutting the pushing force is partially compensated by friction with th...

Page 7: ... and C 9BU2 are equipped with the improved cooling air path to reduce the operating noise while maintaining the blower function 10 Precise and heavy duty aluminum die cast base and lower guard The base and the lower guard are made of heavy duty aluminum die cast material The Models C 9U2 and C 9BU2 can accurately cut workpieces for a long time because the base and the lower guard are highly durabl...

Page 8: ...osure Weight AC single phase Cutting depth at 90û Power source Power input at 45û Voltage V Current A Rotation speed Cord No load Gross with case Net Full load Type Overall length 1 670 W 2 680 min 1 2 5 m 8 2 ft 5 SPECIFICATIONS 235 mm 9 1 4 Two core cabtire cable Model Saw blade diameter C 9U2 0 to 86 mm 0 to 3 3 8 AC single phase commutator motor Packing Corrugated cardboard box Plastic case an...

Page 9: ...750 5000 376 7 1 15 7 4630 3220 1160 2900 90 230 9 3 64 85 3 11 32 60 1 23 64 1700 4000 395 6 9 15 2 4700 3180 1370 3020 92 235 9 1 4 86 3 3 8 65 2 9 16 2000 5000 397 6 8 15 0 5190 3252 1300 2960 85 235 9 1 4 85 3 11 32 64 2 33 64 2000 4500 400 7 0 15 4 4720 3800 980 3930 91 L H W mm mm mm Nickel plated aluminum Aluminum Provided Provided 397 291 272 Material of lower guard Soft touch handle Blowe...

Page 10: ...azards the dangers inherent in the use of any electric tool cannot be completely eliminated Accordingly general precautions and suggestions for the use of electric power tools and specific precautions and suggestions for the use of the circular saw are listed in the Handling Instructions to enhance the safe and efficient use of the tool by the customer Salespersons must be thoroughly familiar with...

Page 11: ...rbon Brushes 1 Pair 63 Then loosen the Machine Screws W Washers M5 x 40 Black 60 and separate the Housing Ass y 65 from the Gear Cover 28 If the Armature 25 is remained in the Housing Ass y 65 gently tap the Housing Ass y 65 on the edge of the surface where the Gear Cover 28 is mounted with a wooden or plastic hammer and remove the Armature 25 At this time be very careful not to hit the fan on the...

Page 12: ...At this time be very careful not to damage the Rubber Ring 36 Be sure to mount the Bearing Bushing 32 and the Rubber Bushing 31 to the Armature 25 before reassembly Do not perform reassembly with the Bearing Bushing 32 and the Rubber Bushing 31 remained in the Housing Ass y 65 23 61 22 8 2 Reassembly Reassembly can be accomplished by following the disassembly procedures in reverse However particul...

Page 13: ...e Fig 3 A Position the Lock Lever 26 between the fan and the Ball Bearing 6202VVCMPS2L 35 of the Armature 25 and carefully assemble it together with the Armature 25 into the Gear Cover 28 B Ensure that both ends of the spring on the Lock Lever 26 are properly supported inside the ribs of the Gear Cover 28 C When assembly of the Lock Lever 26 is completed when the Gear Cover 28 has been assembled t...

Page 14: ... 11 Fig 4 Fig 5 A Model C 9U2 B Model C 9U2 For Switzerland Not provided for the Model C 9U2 for South Africa ...

Page 15: ... 12 C Model C 9BU2 Fig 6 Fig 7 D Model C 9BU2 For Switzerland Not provided for the Model C 9BU2 for South Africa ...

Page 16: ...th test Insulation resistance 7 M Ω or more with DC 500 V megohm tester Dielectric strength AC 4000 V 1 minute with no abnormalities 8 4 Cleaning the Cover Clean the exterior of the tool with a soft cloth moistened with soapy water and dry thoroughly Chloric solvent gasoline and thinner will cause plastic components to dissolve ...

Page 17: ...tch Cord Cord Armor Armature Ass y Ball Bearing 6202VV Ball Bearing 6000VV Bearing Bushing Protective Cover Return Spring Saw Cover 60 min 50 Housing Ass y Stator Ass y Sprindle and Gear Set Bearing Holder Ball Bearing 6203VV Gear Cover Base Ass y General Assembly C 9U2 Handle Cover C 9BU2 ...

Page 18: ...tachi Power Tools A A B B 39 79 78 1 2 3 4 5 6 7 8 9 10 11 17 18 12 13 20 19 21 14 16 30 29 28 27 38 37 36 35 26 15 25 24 34 23 33 32 31 46 48 44 45 55 54 53 60 61 51 52 56 58 59 62 63 64 65 66 67 68 74 75 76 77 72 22 71 49 50 47 70 69 73 40 41 42 43 57 507 501 502 503 504 505 506 ...

Page 19: ... MACHINE SCREW W WASHERS M4X14 BLACK 4 22 937 623 BRUSH TERMINAL 2 23 340 660P STATOR ASS Y 110V 1 INCLUD 22 23 340 660Q STATOR ASS Y 230V 1 INCLUD 22 24 325 352 FAN GUIDE 1 25 360 759C ARMATURE 110V 1 25 360 759E ARMATURE 230V 1 26 303 793 LOCK LEVER 1 27 949 884 ROLL PIN D8X50 10 PCS 1 28 325 350 GEAR COVER 1 29 961 729 CUSHION 1 30 949 794 FLAT HD SCREW M6X20 10 PCS 1 31 325 356 RUBBER BUSHING ...

Page 20: ...1 BRUSH CAP 2 65 325 362 HOUSING ASS Y 1 INCLUD 61 62 65 325 363 HOUSING ASS Y 1 INCLUD 61 62 FOR SAF 66 938 307 PILLAR TERMINAL 1 67 958 049 CORD ARMOR D8 2 1 67 940 778 CORD ARMOR D10 7 1 68 500 234Z CORD 1 CORD ARMOR D8 2 68 500 247Z CORD 1 CORD ARMOR D10 7 FOR FIN DEN SWE NOR 68 500 435Z CORD 1 CORD ARMOR D8 2 FOR GBR 230V 68 500 463Z CORD 1 CORD ARMOR D10 7 FOR GBR 110V 68 500 248Z CORD 1 COR...

Page 21: ...ACCESSORIES ITEM NO CODE NO DESCRIPTION REMARKS NO USED C 9U2 Printed in Japan 051130N 501 303 888 GUIDE 1 502 872 422 HEX BAR WRENCH 6MM 1 503 303 338 KNOB 1 504 302 443 WASHER A 1 FOR EUROPE 505 303 811 SIDE HANDLE 1 506 949 340 FLAT HD SCREW M6X16 10 PCS 2 507 325 364 CASE 1 601 325 365 LONG GUIDE 1 ...

Page 22: ...tachi Power Tools A A B B 39 1 2 3 4 5 6 7 8 9 10 11 17 18 12 13 20 19 21 14 16 30 29 28 27 38 37 36 35 26 15 25 24 34 23 40 41 48 44 45 55 54 53 60 61 51 52 56 58 59 62 63 64 65 66 67 68 74 75 76 77 72 22 71 49 50 47 42 70 69 73 31 32 33 507 46 43 78 79 501 502 503 504 505 506 57 ...

Page 23: ... MACHINE SCREW W WASHERS M4X14 BLACK 4 22 937 623 BRUSH TERMINAL 2 23 340 661C STATOR ASS Y 110V 1 INCLUD 22 23 340 661E STATOR ASS Y 230V 1 INCLUD 22 24 325 352 FAN GUIDE 1 25 360 759C ARMATURE 110V 1 25 360 759E ARMATURE 230V 1 26 303 793 LOCK LEVER 1 27 949 884 ROLL PIN D8X50 10 PCS 1 28 325 350 GEAR COVER 1 29 961 729 CUSHION 1 30 949 794 FLAT HD SCREW M6X20 10 PCS 1 31 325 356 RUBBER BUSHING ...

Page 24: ...81 BRUSH CAP 2 65 325 362 HOUSING ASS Y 1 INCLUD 61 62 65 325 363 HOUSING ASS Y 1 INCLUD 61 62 FOR SAF 66 938 307 PILLAR TERMINAL 1 67 958 049 CORD ARMOR D8 2 1 67 940 778 CORD ARMOR D10 7 1 68 500 234Z CORD 1 CORD ARMOR D8 2 68 500 247Z CORD 1 CORD ARMOR D10 7 FOR FIN DEN SWE NOR 68 500 435Z CORD 1 CORD ARMOR D8 2 FOR GBR 230V 68 500 463Z CORD 1 CORD ARMOR D10 7 FOR GBR 110V 68 500 248Z CORD 1 CO...

Page 25: ...CCESSORIES ITEM NO CODE NO DESCRIPTION REMARKS NO USED C 9BU2 Printed in Japan 051130N 501 303 888 GUIDE 1 502 872 422 HEX BAR WRENCH 6MM 1 503 303 338 KNOB 1 504 302 443 WASHER A 1 FOR EUROPE 505 303 811 SIDE HANDLE 1 506 949 340 FLAT HD SCREW M6X16 10 PCS 2 507 325 364 CASE 1 601 325 365 LONG GUIDE 1 ...

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