POWER TOOLS
TECHNICAL DATA
AND
SERVICE MANUAL
ELECTRONIC DISC GRINDER
G 13YD G 13V
SPECIFICATIONS AND PARTS ARE SUBJECT TO CHANGE FOR IMPROVEMENT
LIST Nos. E241, E242
Feb. 2001
G
MODEL
G 13YD
G 13V
Страница 1: ...POWER TOOLS TECHNICAL DATA AND SERVICE MANUAL ELECTRONIC DISC GRINDER G 13YD G 13V SPECIFICATIONS AND PARTS ARE SUBJECT TO CHANGE FOR IMPROVEMENT LIST Nos E241 E242 Feb 2001 G MODEL G 13YD G 13V ...
Страница 2: ...Notice for use Specifications and parts are subject to change for improvement Refer to Hitachi Power Tool Technical News for further information ...
Страница 3: ...a to Be Noted in Sales Promotion 7 8 FUNCTION AND OPERATION OF THE CONTROL CIRCUIT 8 8 1 Control Circuit Block Diagram 8 8 2 Function of Each Block 8 8 3 Motor Characteristics and Voltage Applied to the Motor 9 9 PRECAUTIONS IN DISASSEMBLY AND REASSEMBLY 10 9 1 Precautions in Maintenance and Repair 10 9 2 Disassembly 11 9 3 Reassembly 13 9 4 Connecting Internal Wires and Wiring Diagrams 16 9 5 Lub...
Страница 4: ...expected to grow with the release of these new models which broaden our lineup of disc grinders 3 APPLICATIONS Removal of casting fin and finishing of various types of steel bronze aluminum and various other metallic materials Grinding of welds or sections cut by means of a cutting torch Grinding of synthetic resins slate brick marble etc 4 SELLING POINTS High power with maximum output of 1 730 W ...
Страница 5: ...ison of torque when the stator coil temperature rise is 200 K Fig 2 Fig 1 Coating of heat resistant adhesive Wear resistance of armature coil Both ends of the armature coil are sealed with heat resistant adhesive in addition to varnish treatment to minimize wear of the armature coil caused by dust 100 50 0 G 13YD G 13V 100 90 B1 B2 G 13YD and G 13V Varnish and adhesive B1 and B2 Varnish ...
Страница 6: ...load speed Type of motor Type of switch Enclosure Weight Net Gross Packaging Standard accessories Depressed center wheel 125 mm 5 1 Side handle 1 Wrench 1 10 000 min 2 800 10 000 min AC single phase commutator motor Slide switch Material Housing Green Tail cover Black Gear cover packing gland Aluminum alloy die casting Painting Gear cover packing gland Metallic silver Glassfiber reinforced polyami...
Страница 7: ...pecification Comparisons G 13V 125 5 1 020 570 1 330 B1 B2 125 5 1 110 720 1 730 11 000 2 800 11 000 10 000 2 800 10 000 207 8 5 32 290 11 7 16 63 2 1 2 72 2 27 32 1 7 3 7 lbs 1 8 4 0 lbs 195 7 11 16 285 11 1 4 73 2 7 8 76 3 1 6 3 5 lbs 1 6 3 5 lbs 2 1 2 63 dia 62 dia 2 7 16 2 5 16 59 dia 66 dia 2 19 32 L H W Grip diameter Grip perimeter Weight excludes cord side handle depressed center wheel whee...
Страница 8: ...lower than that of B1 and B2 at the same torque and the motors are resistant to be burnt out 2 The rotation speed of the Models G 13YD and G 13V is higher than that of B1 and B2 at the same torque under heavy load conditions This shows that the Models G 13YD and G 13V ensure excellent performance 6 2 Comparisons in Torque vs Rotation Speed and Stator Coil Temperature Rise Fig 3 shows comparisons o...
Страница 9: ...se of the tool by the customer Salespersons must be thoroughly familiar with the contents of the Handling Instructions to be able to offer appropriate guidance to the customer during sales promotion 1 Check the power source voltage Ensure that the power source voltage conforms with the power specifications listed on the Name Plate Never operate the Models G 13YD and G 13V on a direct current DC po...
Страница 10: ...al rotation speed the overload protection circuit will immediately reactuate 3 When beginning operation if the Depressed Center Wheel or cut off wheel is pressed against the workpiece before the tool has reached full rotation speed there is a chance that the overload protection circuit will be actuated Instruct the customer never to turn the switch on with the Depressed Center Wheel in contact wit...
Страница 11: ...eed even when there are fluctuations in the load 4 Ramp generator Generates the voltage which determines the acceleration of the motor The soft start function when the motor is turned on is achieved through a gradual increase of the voltage generated by this circuit When fully charged the voltage of the ramp generator becomes equal to the standard voltage above 5 Differential amplifier Compares th...
Страница 12: ...e of the triac Constant speed operation When there are variations in the rotation speed the phase control circuit generates trigger signals to keep the rotation speed as close as possible to the present rotation speed determined by the standard voltage circuit In short when the load increases and causes the rotation speed to decrease the conductive angle of the triac is increases and the voltage a...
Страница 13: ...ircumstances should such tools be used when the controller set is assembled in the main body 4 Do not attempt to remove or replace internal parts of the Controller Set 45 45 The controller set is the very brain of the tool and should never be disassembled 5 When reassembling the tool ensure without fail that the Magnet 38 38 is properly installed Also note that the magnet is left hand threaded and...
Страница 14: ...the J 204 bearing puller on a supporting jig and push down on the armature shaft with a hand press to remove the Dust Seal 14 14 together with the Ball Bearing 15 15 Replace the Dust Seal 14 14 with new one because it is damaged by the removal of the Ball bearing 15 15 3 Disassembly of the controller 1 Remove the Tail Cover 52 52 Disconnect the internal wire from the Switch 59 59 and remove the Co...
Страница 15: ...e bottom of the Packing Gland 22 22 with a jig and push down on the upper portion of the Spindle 25 25 with a hand press until the end surface of the Woodruff Key 24 24 contacts the Ball Bearing 20 20 and the Spindle 25 25 cannot be pushed down any more Be careful not to deform the Fringer 26 26 3 Turn the Packing Gland 22 22 upside down and fix it then push down the Spindle 25 25 4 Insert the J 1...
Страница 16: ...er damage of the Ball Bearing 20 20 3 When replacing the Armature 9 9 or the Ball Bearing 15 15 at the commutator side be sure to replace the Dust Seal 14 14 with new one together The Dust Seal 14 14 is an important part to ensure the dust resistance of the ball bearing Replace the Dust Seal 14 14 with new one without fail Press fit the Ball Bearing 15 15 to the position specified in Fig 7 Thrust ...
Страница 17: ...clamping tool available on the market 6 Check that the spring end does not hold the pigtail when mounting the carbon brush Do not catch the pigtail in the tail cover when mounting the tail cover Solderless connection Spring end Pigtail Fig 9 7 When replacing the Gear Cover Ass y 4 4 lubricate the metal part with mixed oil Mixed oil Mixture of Hitachi power tool grease No 2 Unilube No 00 and turbin...
Страница 18: ...INUED SUPPLY 319372 930108 305720 CONTROLLER CORD CLIP TAPPING SCREW W FLANGE D4 X 12 45 55 56 B SINCE FEB 2001 CODE NO ITEM NO INCLUD 54 55 REMARKS 319372 937631 984750 CONTROLLER CORD CLIP TAPPING SCREW W FLANGE D4 X 16 45 55A 56A NOT INTER CHANGE ABLE G 13YD DISCONTINUED CONTINUED CONTINUED 319377 930108 305720 CONTROLLER CORD CLIP TAPPING SCREW W FLANGE D4 X 12 45 55 56 INCLUD 54 55 319377 930...
Страница 19: ...older 41 41 Side A Fig 11 Side B Connect to the Brush Holder 41 41 Side B Side A 4 1 3 2 Pillar Terminal 46 46 Terminal 48 48 Connector 51 51 Noise Suppressor 50 50 Brush Holder 41 41 Side A Brush Holder 41 41 Side B Stator A 12 12 Connector 51 51 Noise Suppressor 50 50 Pillar Terminal 46 46 Cord 54 54 Controller Set 45 45 Switch 59 59 Terminal 48 48 Black Black Black Black Black Brown or Black Bl...
Страница 20: ... chamber of Gear Cover Ass y 4 4 Nippeco grease SEP 3A 6 g Generously rub grease onto the gear and pinion Metal Mixed oil 0 5 cc Mixed oil Mixture of Hitachi power tool grease No 2 Unilube No 00 and turbine oil Mixture ratio 1 1 weight ratio 9 6 Tightening Torque Tapping Screws D4 47 47 53 53 56 56 56A 56A 60 60 2 0 0 5 N m 20 5 kgf cm 1 5 0 4 ft lbs Seal Lock Screws W SP Washer M4 18 18 23 23 1 8...
Страница 21: ...ear 60 min 50 Bearing Cover Ball Bearing 6201DD Felt Packing Packing Gland Key Spindle Fringer Housing Stator Slide Bar Spring Wheel Guard Ass y Controller Set Switch Carbon Brush x 2 Spring x 2 Tail Cover Cord Cord Armor Pinion Ball Bearing 628VV Bearing Holder Armature Dust Seal Ball Bearing 608VV General Assembly G 13YD G 13V ...
Страница 22: ...ELECTRIC TOOL PARTS LIST LIST NO ELECTRONIC DISC GRINDER Model G 13YD 2000 12 25 E1 E241 ...
Страница 23: ...G 1 22 317 823 PACKING GLAND 1 23 307 127 SEAL LOCK SCREW W SP WASHER M4X12 4 24 940 220 WOODRUFF KEY 2 5X8 1 25 317 804 SPINDLE 1 26 301 945 FRINGER 1 27 949 241 MACHINE SCREW M5X20 10 PCS 1 28 949 454 SPRING WASHER M5 10 PCS 1 29 994 323 WHEEL GUARD ASS Y 1 INCLUD 27 28 30 937 817Z WHEEL WASHER 1 31 316 822 D C WHEELS 125MM A36Q 25 PCS 1 32 994 324 WHEEL NUT M14 1 33 316 436 GEAR ASS Y 1 INCLUD ...
Страница 24: ...0 447Z CORD 1 CORD ARMOR D8 8 FOR SUI 54 500 247Z CORD 1 CORD ARMOR D8 8 FOR NOR SWE DEN 55 930 108 CORD CLIP 1 TILL 1 2001 55A 937 631 CORD CLIP 1 SINCE 2 2001 56 305 720 TAPPING SCREW W FLANGE D4X12 2 TILL 1 2001 56A 984 750 TAPPING SCREW W FLANGE D4X16 2 SINCE 2 2001 57 980 063 TERMINAL 1 58 953 327 CORD ARMOR D8 8 1 59 314 603 SWITCH 1P SOLDER TYPE 1 60 984 750 TAPPING SCREW W FLANGE D4X16 1 ...
Страница 25: ...4 063 SANDING DISCS 125MM C P20 10 PCS 1 605 314 064 SANDING DISCS 125MM C P24 10 PCS 1 606 314 065 SANDING DISCS 125MM C P30 10 PCS 1 607 314 066 SANDING DISCS 125MM C P36 10 PCS 1 608 314 067 SANDING DISCS 125MM C P40 10 PCS 1 609 314 068 SANDING DISCS 125MM C P50 10 PCS 1 610 314 069 SANDING DISCS 125MM C P60 10 PCS 1 611 314 070 SANDING DISCS 125MM C P80 10 PCS 1 612 314 071 SANDING DISCS 125M...
Страница 26: ...ELECTRIC TOOL PARTS LIST LIST NO ELECTRONIC DISC GRINDER Model G 13V 2000 12 25 E1 E242 ...
Страница 27: ...823 PACKING GLAND 1 23 307 127 SEAL LOCK SCREW W SP WASHER M4X12 4 24 940 220 WOODRUFF KEY 2 5X8 1 25 317 804 SPINDLE 1 26 301 945 FRINGER 1 27 949 241 MACHINE SCREW M5X20 10 PCS 1 28 949 454 SPRING WASHER M5 10 PCS 1 29 994 323 WHEEL GUARD ASS Y 1 INCLUD 27 28 30 937 817Z WHEEL WASHER 1 31 316 822 D C WHEELS 125MM A36Q 25 PCS 1 32 994 324 WHEEL NUT M14 1 33 316 436 GEAR ASS Y 1 INCLUD 6 17 34 314...
Страница 28: ... 500 447Z CORD 1 CORD ARMOR D8 8 FOR SUI 54 500 439Z CORD 1 CORD ARMOR D8 8 FOR AUS 55 930 108 CORD CLIP 1 TILL 1 2001 55A 937 631 CORD CLIP 1 SINCE 2 2001 56 305 720 TAPPING SCREW W FLANGE D4X12 2 TILL 1 2001 56A 984 750 TAPPING SCREW W FLANGE D4X16 2 SINCE 2 2001 57 980 063 TERMINAL 1 FOR CORD 58 953 327 CORD ARMOR D8 8 1 59 314 603 SWITCH 1P SOLDER TYPE 1 59 955 509 SWITCH 1P SCREW TYPE 1 FOR A...
Страница 29: ...4 063 SANDING DISCS 125MM C P20 10 PCS 1 605 314 064 SANDING DISCS 125MM C P24 10 PCS 1 606 314 065 SANDING DISCS 125MM C P30 10 PCS 1 607 314 066 SANDING DISCS 125MM C P36 10 PCS 1 608 314 067 SANDING DISCS 125MM C P40 10 PCS 1 609 314 068 SANDING DISCS 125MM C P50 10 PCS 1 610 314 069 SANDING DISCS 125MM C P60 10 PCS 1 611 314 070 SANDING DISCS 125MM C P80 10 PCS 1 612 314 071 SANDING DISCS 125M...
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