Hitachi CM 7MC Technical Data And Service Manual Download

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CONTENTS

Page

SELLING POINT DESCRIPTIONS ----------------------------------------------------------------------------------------- 1

SPECIFICATIONS -------------------------------------------------------------------------------------------------------------- 2

1. Specifications

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COMPARISON WITH SIMILAR PRODUCT------------------------------------------------------------------------------ 3

1. Comparison of Specifications

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PRECAUTIONS ON SALES PROMOTION ------------------------------------------------------------------------------ 4

1. Safety Instructions

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REPAIR GUIDE------------------------------------------------------------------------------------------------------------------ 5

1. Precautions on Disassembly and Reassembly ----------------------------------------------------------- 5

STANDARD REPAIR TIME (UNIT) SCHEDULES---------------------------------------------------------------------- 7

Assembly Diagrams for CM 7MR
Assembly Diagrams for CM 7MRU
Assembly Diagrams for CM 7MC

Summary of Contents for CM 7MC

Page 1: ...7MR CM 7MRU and CM 7MC are new wall chasers developed based on disc grinder Models G 23SR G 23SRU and G 23SC3 respectively and have main bodies common to those base models Consequently these new wall chasers also have main features common to the base models Moreover the Models CM 7MR CM 7MRU and CM 7MC are each equipped with a dust collection cover for the diamond wheels PRODUCT NAME Hitachi Wall ...

Page 2: ...itachi koki com manual_view_export 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 Company Name Model Name B BOSCH GNF65A ...

Page 3: ... SIMILAR PRODUCT 3 1 Comparison of Specifications 3 PRECAUTIONS ON SALES PROMOTION 4 1 Safety Instructions 4 REPAIR GUIDE 5 1 Precautions on Disassembly and Reassembly 5 STANDARD REPAIR TIME UNIT SCHEDULES 7 Assembly Diagrams for CM 7MR Assembly Diagrams for CM 7MRU Assembly Diagrams for CM 7MC ...

Page 4: ...attractive aluminum die cast dust cover The dust cover is made of aluminum die casting It is both sturdy and highly attractive B s dust cover is made of steel sheet 2 0 mm thick Largest cutting width in the class The maximum cutting width is 5 mm larger than that of B This is the largest cutting width for this class of wall chaser Maker HITACHI Model CM 7MR CM 7MRU CM 7MC B Max cutting width W 45 ...

Page 5: ...l cover green CM 7MC black Gear cover packing gland Aluminum alloy die casting Type of switch Trigger switch Net 7 9 kg 17 4lbs 8 8 kg 19 5 lbs Weight Gross 10 0 kg 22 1 lbs 10 9 kg 24 1 lbs Type of packing Carton box Standard accessories Side handle 1 Wrench 1 Optional accessories Diamond wheel For concrete and masonry work Segment type Code No 305459 307009 Wave shape type Code No 305460 Net wei...

Page 6: ...peripheral speed 62 m s 203 ft s 60 m s 196 ft s No load sound pressure level 94 dB A 97 dB A Max cutting depth 35 mm 1 3 8 65 mm 2 9 16 Max cutting width 45 mm 1 49 64 40 mm 1 37 64 Width of base Roller 110 mm 4 21 64 140 mm 5 33 64 Overall length 571 mm 22 31 64 580 mm 22 53 64 600 mm 23 5 8 Weight 7 9 kg 17 4 lbs 8 8 kg 19 5 lbs 8 4 kg 18 5 lbs Weight excludes the cord and diamond wheel COMPARI...

Page 7: ...tions on the use of electric power tools and specific precautions and suggestions on the use of the Wall Chasers in order to enhance the safe and efficient use of the tools by the customer Salespersons must be thoroughly familiar with the contents of the Handling Instructions in order to offer appropriate guidance to customers during sales promotion activities B Caution on name plate Each tool is ...

Page 8: ...67 2 Raise the dust guard in arrow direction A 3 Pull out the Rubber Grommet 74 Loosen and remove the M14 Bolt 75 with the attached Wrench 22 mm 501 At this time remove the Blade Washer 78 eight Blade Spacers 5 79 Blade Spacer 3 71 and the two diamond wheels from the Drive Shaft 80 4 Loosen the two Bolts M4 13 with the attached Wrench 22 mm 501 and then remove it together with the two Nylon Washer...

Page 9: ...over B 87 and then remove the Gear Box Cramp 83 Perform reassembly by reversing the order of the disassembly procedure Refer to the TECHNICAL DATA AND SERVICE MANUAL for each base model G 23SR List No E273 G 23SRU List No E274 and G 23SC3 List No E254 for precautions on disassembly and reassembly lubrication points types and amounts of lubricant tightening torque and the wiring diagrams Reassembly...

Page 10: ...r Gear Cover Ass y Seal Plate Handle A Switch Cord Pinion Seal Washer Felt Packing Ball Bearing 6301VV Rubber Ring B Bearing Cover A Armature Dust Seal Ball Bearing 6000VV Bearing Bushing Gear Housing Ass y Stator Ass y Bearing Cover B Ball Bearing 6302VV Felt Packing B Packing Gland Spindle STANDARD REPAIR TIME UNIT SCHEDULES ...

Page 11: ...3 14 15 16 17 18 19 20 21 22 23 24 25 26 28 29 30 31 32 33 34 35 36 37 38 47 48 39 40 41 42 43 44 45 46 49 50 51 52 53 54 55 56 84 57 58 73 59 60 61 63 64 65 66 67 68 69 70 78 72 79 85 86 82 74 75 77 81 87 89 27 9 14 13 63 63 63 69 69 69 63 63 65 80 501 12 88 64 83 76 71 64 62 53 70 90 74 83 73 76 77 89 81 45 46 91 ...

Page 12: ...5 X 10 10 PCS 2 25 306 890 LOCK PIN 1 26 320 218 O RING 1 27 330 032 GEAR AND PINION SET 1 INCLUD 8 18 28 360 762C ARMATURE 110V 1 28 360 762E ARMATURE 220V 240V 1 29 320 215 FAN GUIDE 1 30 961 501 HEX HD TAPPING SCREW D5 X 60 2 31 340 664C STATOR ASS Y 110V 1 INCLUD 32 31 340 664E STATOR ASS Y 220V 230V 1 INCLUD 32 32 958 032 BRUSH TERMINAL 2 33 320 216 DUST SEAL 1 34 600 0VV BALL BEARING 6000VVC...

Page 13: ...C 1 63 331 028 ROLLER 6 64 331 031 ROLLER SPACER 30 3 65 331 029 ROLLER SHAFT 2 66 331 052 KNOB BOLT 1 67 331 062 LOCK WASHER 1 68 331 040 SQUARE NUT M8 1 69 331 041 SHAFT CAP 4 70 331 046 HEX SOCKET HD BOLT M4 X 12 1 71 331 032 BLADE SPACER 3 1 72 937 907Z WHEEL WASHER A 1 73 331 042 NYLOCK NUT M12 1 74 331 038 RUBBER GROMMET 1 75 331 050 BOLT M14 1 76 331 056 DUST GUARD A 1 77 331 054 DUST COVER...

Page 14: ...CM 7MR DESCRIPTION REMARKS 501 331 036 WRENCH 22MM 1 4 Printed in Japan 06 09 090622N ALTERNATIVE PARTS NO USED CODE NO ITEM NO STANDARD ACCESSORIES ...

Page 15: ...0 11 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 47 46 39 40 41 42 43 44 45 49 48 50 51 52 27 9 14 13 501 12 63 53 54 55 56 57 85 58 59 74 60 61 62 64 65 66 67 68 69 70 79 73 80 86 87 83 75 76 78 82 88 90 64 64 64 70 70 70 64 64 66 81 89 65 84 77 72 65 71 54 71 91 75 84 74 77 78 90 82 92 ...

Page 16: ... A 1 24 949 236 MACHINE SCREW M5 X 10 10 PCS 2 25 306 890 LOCK PIN 1 26 320 218 O RING 1 27 330 032 GEAR AND PINION SET 1 INCLUD 8 18 28 360 762E ARMATURE 220V 240V 1 29 320 215 FAN GUIDE 1 30 961 501 HEX HD TAPPING SCREW D5 X 60 2 31 340 664E STATOR ASS Y 220V 230V 1 INCLUD 32 32 958 032 BRUSH TERMINAL 2 33 320 216 DUST SEAL 1 34 600 0VV BALL BEARING 6000VVCMPS2L 1 35 321 536 BEARING BUSHING 1 36...

Page 17: ...OCK WASHER 1 69 331 040 SQUARE NUT M8 1 70 331 041 SHAFT CAP 4 71 331 046 HEX SOCKET HD BOLT M4 X 12 1 72 331 032 BLADE SPACER 3 1 73 937 907Z WHEEL WASHER A 1 74 331 042 NYLOCK NUT M12 1 75 331 038 RUBBER GROMMET 1 76 331 050 BOLT M14 1 77 331 056 DUST GUARD A 1 78 331 054 DUST COVER A 1 79 331 034 BLADE WASHER 1 80 331 033 BLADE SPACER 5 8 81 331 035 DRIVE SHAFT 1 82 331 030 ROLLER SPACER 20 1 8...

Page 18: ...CM 7MRU DESCRIPTION REMARKS 501 331 036 WRENCH 22MM 1 4 Printed in Japan 06 09 090622N ALTERNATIVE PARTS NO USED CODE NO ITEM NO STANDARD ACCESSORIES ...

Page 19: ...15 16 17 18 19 20 21 22 23 24 25 26 28 31 29 30 35 38 39 35 27 9 14 13 67 501 12 32 33 34 35 36 37 40 41 34 35 42 42 36 43 44 46 47 48 49 60 50 51 52 53 54 82 55 56 71 57 58 59 61 62 63 64 65 66 67 68 76 70 77 83 84 80 72 73 75 79 85 87 61 61 61 67 67 67 61 61 63 78 86 62 81 74 69 62 51 68 88 72 81 71 74 75 87 79 45 89 45 ...

Page 20: ... PCS 2 25 306 890 LOCK PIN 1 26 320 218 O RING 1 27 330 032 GEAR AND PINION SET 1 INCLUD 8 18 28 360 594U ARMATURE ASS Y 110V 120V 1 INCLUD 20 21 38 39 28 360 594E ARMATURE 220V 230V 1 29 984 271 HEX HD TAPPING SCREW D5 X 75 2 30 340 546C STATOR 110V 120V 1 30 340 546E STATOR 220V 230V 1 31 320 215 FAN GUIDE 1 32 321 535 HOUSING ASS Y 1 INCLUD 40 33 NAME PLATE 1 34 320 232 BRUSH COVER 2 35 305 812...

Page 21: ... 30 3 63 331 029 ROLLER SHAFT 2 64 331 052 KNOB BOLT 1 65 331 062 LOCK WASHER 1 66 331 040 SQUARE NUT M8 1 67 331 041 SHAFT CAP 4 68 331 046 HEX SOCKET HD BOLT M4 X 12 1 69 331 032 BLADE SPACER 3 1 70 937 907Z WHEEL WASHER A 1 71 331 042 NYLOCK NUT M12 1 72 331 038 RUBBER GROMMET 1 73 331 050 BOLT M14 1 74 331 056 DUST GUARD A 1 75 331 054 DUST COVER A 1 76 331 034 BLADE WASHER 1 77 331 033 BLADE ...

Page 22: ...CM 7MC DESCRIPTION REMARKS 501 331 036 WRENCH 22MM 1 4 Printed in Japan 08 09 090805N ALTERNATIVE PARTS NO USED CODE NO ITEM NO STANDARD ACCESSORIES ...

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