Hitachi SP18VA, Technical Data And Service Manual

Page 1: ...POWER TOOLS TECHNICAL DATA AND SERVICE MANUAL ELECTRONIC SANDER POLISHER SP 18VA SPECIFICATIONS AND PARTS ARE SUBJECT TO CHANGE FOR IMPROVEMENT LIST No 0352 Jun 2002 S MODEL SP 18VA ...

Page 2: ... 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 Symbol Utilized Competitor Company Name Model Name MAKITA 9227C 9227CB C ...

Page 3: ...age 6 8 FUNCTION AND OPERATION OF THE CONTROL CIRCUIT 7 8 1 Control Circuit Block Diagram 7 8 2 Function of Each Block 7 8 3 Motor Characteristics and Voltage Applied to the Motor 8 9 PRECAUTIONS IN DISASSEMBLY AND REASSEMBLY 9 9 1 Disassembly of the Armature Ass y 9 9 2 Disassembly of the Stator Ass y 10 9 3 Disassembly of the Gear 10 9 4 Reassembly 11 9 5 Tightening Torque 11 9 6 Wiring Diagram ...

Page 4: ...painting Finishing and polishing painted metallic surfaces of motor vehicles rolling stocks elevators refrigerators sewing machines washing machines medical instruments and so on Polishing lacquered surfaces on wooden products such as furniture Polishing synthetic resin and ebonite products 4 SELLING POINTS Compact body 415 mm 10 19 36 Maker C s model 423 mm 10 3 4 Variable trigger switch Iron bea...

Page 5: ...SP 18VA SP 18V Max output 1 W Max output product weight W kg Actual product weight 2 kg 2 8 6 2 lbs 567 0 35 HP lbs 1 700 2 3 HP 3 0 6 6 lbs 633 0 38 HP lbs 1 900 2 5 HP 3 0 6 6 lbs C 1 Max output may vary depending on the market 2 Actual product weight is a measured weight and excludes cord loop handle rubber pad and washer nut 2 Iron bearing bushing An iron bearing bushing is newly added to the ...

Page 6: ... reinforced polyamide resin green Handle Glassfiber reinforced polyamide resin black Gear cover Packing gland Enclosure 2 8 kg 6 2 lbs Net 5 5 kg 12 2 lbs Gross Corrugated cardboard box Packaging Rubber pad 1 Loop handle 1 Wrench 1 Standard accessories Weight excludes cord loop handle rubber pad and washer nut Weight 220 6 0 120 11 0 1 250 Aluminum alloy die casting Coating Gear cover Packing glan...

Page 7: ...min mm mm mm kg H SP 18V 1 100 407 1 700 1 400 3 400 Side handle 128 3 1 4 82 2 1 12 417 10 7 12 3 0 6 6 lbs 3 0 6 6 lbs C 1 200 555 1 900 0 600 3 000 Loop handle 134 3 5 12 88 2 2 9 423 10 3 4 3 0 6 6 lbs 3 0 6 6 lbs h L H 1 Output may vary depending on the market 2 Weight excludes cord loop handle rubber pad and washer nut 180 7 180 7 Dial and trigger switch Dial Dial and trigger switch Overload...

Page 8: ...m speed SP 18VA minimum speed Torque N m 1 2 3 4 5 Rotation speed of spindle 1 min 500 1000 1500 2000 2500 3000 3500 0 Sanding dust produced g 50 100 150 200 250 300 350 0 SP 18VA C SP 18V Time min Workpiece material SPCC mild steel Sanding disc used AP 50 Applied pressure 4 kg Speed Maximum speed SP 18VA maximum speed SP 18V minimum speed 5 10 15 ...

Page 9: ...ons and suggestions for the use of the Electronic Sander Polisher 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 the contents of the Handling Instructions to be able to offer appropriate guidance to the customer during sales promotion 7 2 Caution on Name Plate Each tool is provided with a Name ...

Page 10: ...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 the voltage from the ramp generator voltages received from the F V converter which is proportionate to the actual motor rotation speed and amplifies the...

Page 11: ...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 applied to the motor is increased In this way ...

Page 12: ... W Sp Washer M5 x 14 Black 31 and remove the Packing Gland 30 and related parts 4 After removing the three Seal Lock Screws W Sp Washer M4 x 10 1 the Armature Ass y 13 can be extracted together with the Bearing Cover B 12 and related parts 5 Carefully wrap the Armature Ass y 13 with a soft clean rag to protect it from being damaged and clamp it securely in a vise Remove the Retaining Ring for D8 S...

Page 13: ...tated by heating the Housing Ass y to a temperature of approximately 60 C 140 F with an appropriate heating device J 278 gear puller Code No 315635 J 130 sleeve Code No 970907 Fig 4 9 3 Disassembly of the Gear 1 Loosen the four Seal Lock Screws W Sp Washer M5 x 14 Black 31 and remove the Packing Gland 30 together with the Spindle 27 and the Gear 22 from the Gear Cover Ass y 5 as a unit 2 When it i...

Page 14: ...f the ball bearing and must be replaced with a new one if disassembled 3 Apply Three Bond TB 1406 Screw Locking Agent to the following screws Three Seal Lock Screws W Sp Washer M4 x 10 1 which fix Bearing Cover B 12 in place Three Seal Lock Screws W Sp Washer M4 x 10 23 which fix Bearing Cover A 24 in place Four Seal Lock Screws W Sp Washer M5 x 14 Black 31 which fix Packing Gland 30 in place 9 5 ...

Page 15: ... 400 V for 1 minute with no abnormalities 220 V 240 V AC 3 000 V for 1 minute with no abnormalities 110 V 120 V 9 8 Gear Backlash Value Gear blacklash should be maintained at a value of 2 mm or less measured at the outer edge of a fresh depressed center wheel 9 9 No Load Current Value After no load operation for 30 minutes the no load current value should be as follows Voltage V Current A max 220 ...

Page 16: ...18VA Work Flow Handle B Housing Ass y Stator Ass y Handle A Control Switch Cord Armature Ass y Gear Cover Ass y Ball Bearing 6200DD Ball Bearing 608VV Dust Seal Felt Packing B General Assembly Needle Bearing Seal Packing Lock Pin Gear Ball Bearing 6202DD Spindle Felt Packing A Packing Gland ...

Page 17: ...RONIC SANDER POLISHER Model SP 18VA 2002 6 20 E1 0352 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 46 47 48 49 50 52 53 54 55 56 501 502 503 504 505 506 507 44 45 51 ...

Page 18: ...L 2 18 315 049 FELT WASHER 1 19 320 218 O RING 1 20 315 050 LOCK PIN 1 21 871 397 NEEDLE BEARING NTN HK1210 1 22 320 937 GEAR 1 23 987 201 SEAL LOCK SCREW W SP WASHER M4X10 3 24 937 077 BEARING COVER A 1 25 620 2DD BALL BEARING 6202DDCMPS2L 1 26 940 533 FEATHER KEY 3X3X10 1 27 320 943 SPINDLE 1 27 320 944 SPINDLE 1 FOR USA CAN 28 315 062 FELT PACKING A 1 29 315 060 SEAL PACKING 1 30 315 061 PACKIN...

Page 19: ...D5X20 BLACK 4 52 302 086 TAPPING SCREW W FLANGE D4X20 BLACK 2 53 984 750 TAPPING SCREW W FLANGE D4X16 2 54 937 631 CORD CLIP 1 55 953 327 CORD ARMOR D8 8 1 56 500 234Z CORD 1 CORD ARMOR D8 8 56 500 435Z CORD 1 CORD ARMOR D8 8 FOR HKG GBR 230V 56 500 439Z CORD 1 CORD ARMOR D8 8 FOR NZL AUS 56 500 396Z CORD 1 CORD ARMOR D8 8 FOR GBR 110V 56 500 247Z CORD 1 CORD ARMOR D8 8 FOR NOR SWE DEN FIN 56 500 ...

Page 20: ...BONNET 180MM 1 EXCEPT FOR FRA SUI USA CAN 507 314 090 SANDING DISCS 180MM C P50 10 PCS 1 EXCEPT FOR FRA SUI USA CAN 601 314 084 SANDING DISCS 180MM C P16 10 PCS 1 602 314 085 SANDING DISCS 180MM C P20 10 PCS 1 603 314 086 SANDING DISCS 180MM C P24 10 PCS 1 604 314 088 SANDING DISCS 180MM C P36 10 PCS 1 605 314 089 SANDING DISCS 180MM C P40 10 PCS 1 606 314 090 SANDING DISCS 180MM C P50 10 PCS 1 60...

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