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Hitachi C 7D, Technical And Service Manual

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Hitachi C 7D Technical And Service Manual Download Page 12

--- 9 ---

(2) The following cautions are listed on the Name Plate attached to each Model EB 2420 Battery.

8-2. Caution Plates

(1) The following safety precautions are listed on the Name Plate attached to the main body of each tool.

(3) The following cautions are listed on the Name Plate attached to each Model UC 24 YFB Charger.

For the U.S.A. and Canada

For the U.S.A. and Canada

For Australia

For Australia and New Zealand

For the U.S.A. and Canada

manual.

blessures,

z

UC 24YFB

   Charge HITACHI rechargeable battery type EB 2420.  Other types of

batteries may burst causing personal injury and damage.

• Charge between 32˚F and 104˚F.      • Indoor use only.

• Replace defective cord immediately.

Summary of Contents for C 7D

Page 1: ...POWER TOOLS TECHNICAL DATA AND SERVICE MANUAL CORDLESS CIRCULAR SAW C 7D SPECIFICATIONS AND PARTS ARE SUBJECT TO CHANGE FOR IMPROVEMENT LIST No F851 May 2001 C MODEL C 7D ...

Page 2: ... 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 Symbols Utilized Competitors Company Name Model Name ...

Page 3: ...ROMOTION 7 8 1 Handling Instructions 7 8 2 Caution Plates 9 8 3 Inherent Drawbacks of Cordless Circular Saw Requiring Particular Attention During Sales Promotion 10 8 4 Do Not Use Cut Off Wheels 10 9 REPAIR GUIDE 11 9 1 Precautions in Disassembly and Reassembly 11 9 2 Precautions in Disassembly and Reassembly of Battery Charger 16 9 3 Mounting Method of Bevel Plate and Link 16 10 STANDARD REPAIR T...

Page 4: ...e powerful motor the Model C 7D offers AC powered product level durability In addition the handle of the Model C 7D is shaped and located in the same manner as the well reputed Model C 6DC s handle for ease of operation The Model C 7D can cut a workpiece 2 inches thick by a single cut operation even when cutting at 45 3 APPLICATIONS Cutting various wood materials 4 SELLING POINTS High strength scr...

Page 5: ...tion of the Model C 7D s handle are similar to those of the Model C 6DC that is familiar to users A nonskid and shock absorbing elastomer is used at the palm side of the grip for easier operation Cutting depth maximum Typical sectional view of handle center of handle C 7D 32 mm 1 1 4 C 6DC C 6DC C 7D 2 Replaceable carbon brush to elongate motor life The carbon brush can be replaced from the outsid...

Page 6: ...5 and a 90 fine adjustment screw that makes the angle between the base and a saw blade square for accurate 90 cutting 5 High strength scratch resistant Ni plated cast aluminum base The Model C 7D is equipped with a very strong and scratch resistant Ni plated cast aluminum base 3 Convenient spotlight for lighting blade edges and cutting lines The Model C 7D is equipped with a spotlight for lighting...

Page 7: ...ghts Red Blinks Red Lights Green Lights for 0 5 seconds Does not light for 0 5 seconds off for 0 5 seconds Lights continuously Lights for 0 1 seconds Does not light for 0 1 seconds off for 0 1 seconds Lights continuously Lights for 0 5 seconds Does not light for 0 5 seconds off for 0 5 seconds Weight Main body including battery 5 0 kg 11 lbs Charger unit including cord 0 6 kg 1 3 lbs Main body cha...

Page 8: ... 7 1 4 Hole diameter 15 9 mm 5 8 No of teeth 18 pieces Code No 302410 For Australia and New Zealand External diameter 185 mm 7 1 4 Hole diameter 20 mm 25 32 No of teeth 18 pieces Code No 302411 For Australia and New Zealand Model EB 2420 2 000 mAh Code No 319870 Model EB 2420 2 000 mAh Code No 319871 ...

Page 9: ...2 18 pieces 2 000 mAh 2 700 Replaceable 24 V Equipped None Aluminum die casting Equipped 50 minutes C 7D Dimension Length No load noise level dB A Tool weight Height Width 355 mm 14 247 mm 9 3 4 191 mm 7 1 2 3 3 kg 7 3 lbs 75 dB 372 mm 14 5 8 267 mm 10 1 2 225 mm 8 27 32 5 kg 11 lbs 71 dB C 7D 170 85 45 148 ft Model Model name Wood 2 x 4 Cuts 2 x 8 Cuts Concrete form plywood t 12 7 mm 1 2 140 80 3...

Page 10: ... generator etc will cause the charger to overheat and burn out 4 Do not use any voltage increasing equipment transformer etc between the power source and the charger If the charger is used with voltage over and above that indicated on the unit it will not function properly 5 Conduct battery charging at an ambient temperature range of 0 4 C 32 104 F Special temperature sensitive devices are employe...

Page 11: ...ng these units to an authorized service center in the event repair or replacement is necessary 10 Disposal of the Type EB 2420 battery Ensure that all customers understand the Type EB 2420 Battery should be returned to the Hitachi power tool sales outlet or authorized service center when they are no longer capable of being recharged or repaired If thrown into a fire the batteries may explode or if...

Page 12: ...wing cautions are listed on the Name Plate attached to each Model UC 24 YFB Charger For the U S A and Canada For the U S A and Canada For Australia For Australia and New Zealand For the U S A and Canada manual blessures z UC 24YFB Charge HITACHI rechargeable battery type EB 2420 Other types of batteries may burst causing personal injury and damage Charge between 32 F and 104 F Indoor use only Repl...

Page 13: ... the motor or deterioration of the battery The motor must not be locked during operation 2 Avoid continuous heavy duty operation Cutting a thick workpiece with strong pressure can put a heavy load on the motor If such an operation is performed continuously the temperature of the motor and the housing will rise and burning of the motor will result Do not perform heavy duty operations continuously 3...

Page 14: ...injury 1 Removal of the Safety Cover 12 First disconnect the Return Spring 13 Then loosen the two Seal Lock Flat Hd Screws M4 x 10 15 and take off the Bearing Cover 14 The Safety Cover 12 can then be removed 2 Removal of the Bearing Holder 9 together with the Spindle and Gear Set 8 After removing the Safety Cover 12 as described above loosen the two Seal Lock Flat Hd Screws M5 x 14 21 and take off...

Page 15: ...n it Remove the Clamp Nut 72 two Washers S and Bolt Square M6 20 Then loosen the three Machine Screws W Washers M5 x 45 Black 27 and separate the Gear Cover Ass y 3 from the Housing 34 The Armature Ass y DC 24V 44 will remain within the Housing 34 With a wooden or plastic hammer tap gently on the outside of the Housing 34 to loosen and remove the Armature Ass y DC 24V 44 At this time be very caref...

Page 16: ... 8 5 of the Switch 30 4 5 to 7 5 kgf cm 4 to 6 5 in lbf 2 Reassembly of the Armature Ass y DC 24V 44 Prior to assembling the Armature Ass y DC 24V 44 ensure that the Rubber Ring 2 is properly inserted into the groove of the bearing case within the Gear Cover Ass y 3 At this time be careful not to damage the Rubber Ring 2 3 Reassembly of the Lock Lever 45 See Fig 4 A Position the Lock Lever 45 betw...

Page 17: ...aterally Never tap the end of the spindle with a hammer Otherwise the Gear Cover Ass y 3 may be damaged 5 Mounting the Magnet 40 Mount the Magnet 40 to the Housing 34 aligning the notch at the outer circumference of the Magnet 40 with the protrusion inside the Housing 34 6 Lubrication Liberally apply the designated lubricants as follows Nippeco SEP 3A Code No 930035 within the gear cover 8 to 9 gr...

Page 18: ... of the wires are pinched between components during reassembly Mount the Knob off lock lever 37 Terminal A 36 and Spring F 35 without fail Fig 7 48 33 31 35 37 25 31 32 29 55 Caulk four internal wires Black blue yellow and brown Put the internal wires into the groove Red Black Yellow Fig 6 30 Put the internal wires into the groove Mount Terminal A 36 to the Knob 37 aligning the hole and the protru...

Page 19: ...ase by tightening the Step Bolt M6 67 and the Nylon Nut M6 65 using a wrench 9 3 2 Mounting method of link See Figs 10 and 11 1 Cut out the interlocking caulking portion of the rivet using an electric drill On this operation never do damage to the base Then remove the rivet to C direction from the base section and remove the Link 68 from the base 2 Mount the Link 68 the Step Bolt M6 67 Bolt Washer...

Page 20: ...xed Variable C 7D Work Flow Armature Ass y Ball Bearing 608VV Ball Bearing 6001VV Saw Blade Safety Cover Return Spring 60 min 50 Housing Magnet Gear Cover Ass y Spindle and Gear Set Bearing Holder Ball Bearing 6003VV Base Ass y General Assembly Handle Cover Switch ...

Page 21: ...0 E1 F851 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 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 67 66 70 71 72 73 501 502 503 73 65 46 74 64 65 66 67 75 65 66 67 68 ...

Page 22: ...T18 1 FOR USA CAN 18 302 423 WASHER B 1 19 302 427 BOLT W FLANGE M8X15 5 1 20 319 879 BOLT SQUARE M6 1 21 992 013 SEAL LOCK FLAT HD SCREW M5X14 2 22 302 426 LEVER 1 23 949 215 MACHINE SCREW M4X8 10 PCS 1 24 317 204 LIGHT COVER ASS Y 1 25 319 820 SOCKET 1 26 319 887 LIGHT 24V 5W 1 27 302 434 MACHINE SCREW W WASHERS M5X45 BLACK 3 28 319 972 HANDLE COVER 1 29 319 893 BRUSH HOLDER 1 30 319 825 SWITCH ...

Page 23: ...ING BOLT M6X18 1 58 947 859 LOCK SPRING 1 59 302 438 WING BOLT A M6X20 1 60 949 455 SPRING WASHER M6 10 PCS 1 61 949 425 WASHER M6 10 PCS 1 62 302 437 BASE ASS Y 1 INCLUD 59 61 64 68 69 63 949 686 ROLL PIN D6X40 10 PCS 1 64 306 082 BEVEL PLATE 1 65 303 869 NYLON NUT M6 2 66 949 432 BOLT WASHER M6 10 PCS 2 67 306 083 STEP BOLT M6 2 68 306 085 LINK 1 69 302 439 SLOTTED HD SET SCREW SEAL LOCK M6X8 1 ...

Page 24: ...RIES ITEM NO CODE NO DESCRIPTION REMARKS NO USED ITEM NO CODE NO DESCRIPTION REMARKS NO USED Printed in Japan 010510N 5 01 C 7D 501 319 836 CASE 1 502 CHARGER MODEL UC 24YFB 1 503 302 478 BOX WRENCH 13MM 1 601 302 691 GUIDE 1 602 302 690 DUST COLLECTOR SET 1 ...

Page 25: ......

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