Hitachi FDV 20VB Technical Data And Service Manual Download Page 19 | Manualshive

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9. STANDARD REPAIR TIME (UNIT) SCHEDULES

MODEL

10

20

30

40

Fixed

Variable

Work Flow

Carbon Brush

Speed Control

Switch

Cord

60 min.

50

Housing

(A).(B) Set

Ball Bearing

(608DD)

Spindle and

Gear Set

Stator

Armature

Second Pinion

Holder

Ball Bearing

(608VV) x 2

General Assembly

FDV 20VB

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Summary of Contents for FDV 20VB

Page 1: ...POWER TOOLS TECHNICAL DATA AND SERVICE MANUAL IMPACT DRILL FDV 20VB SPECIFICATIONS AND PARTS ARE SUBJECT TO CHANGE FOR IMPROVEMENT LIST No F847 Mar 2001 F MODEL FDV 20VB ...

Page 2: ...mparisons 5 7 PRECAUTIONS IN SALES PROMOTION 6 7 1 Handling Instructions 6 7 2 Cautions on Name Plate 6 7 3 Precautions In Usage 7 8 PRECAUTIONS IN DISASSEMBLY AND REASSEMBLY 9 8 1 Disassembly 9 8 2 Reassembly 11 8 3 Lubrication 13 8 4 Tightening Torque 13 8 5 Wiring Diagrams and Internal Wire Arrangements 13 8 6 Insulation Tests 16 8 7 No load Current Values 16 9 STANDARD REPAIR TIME UNIT SCHEDUL...

Page 3: ...k concrete and similar materials When set for Rotation Only 1 Drilling holes in wood metal resin plate and similar materials 2 Grinding sanding and polishing of wood metal and various other materials with use of appropriate attachments 4 SELLING POINTS Handle design making it easier to press the bit against the workpiece Powerful motor with a max output of 770 W Keyless chuck for easier replacemen...

Page 4: ...n The rotation speed of the drill bit is variable depending on the depressing amount of the switch trigger This is convenient for low speed operations such as determining the positions of holes to be drilled 4 Handle design making it easier to press the bit against the workpiece Inheriting the aggressive and powerful styling from the Model FDV 16VB the Model FDV 20VB has the conveniently angled an...

Page 5: ...ut AC single phase series commutator motor 0 1 300 3 000 min 0 940 2 180 min 0 20 800 48 000 min 0 15 000 35 000 min Trigger switch w stopper variable speed Pistol type Polycarbonate resin 2 core cabtire cord Nominal sectional area 0 75 mm2 Length 2 5 m 8 2 feet 2 2 kg 3 9 kg Corrugated cardboard box with plastic case Chuck wrench 1 Side handle ass y 1 Depth stopper 1 Plastic case 1 Item Code No T...

Page 6: ...oncrete Steel Wood mm mm mm W min min mm kg lbs kg lbs W W N m dB A Catalog specifications HITACHI FDV 20VA B C1 C2 Motor characteristics Structure specifications Item Model Maker Actual weight 2 including drill chuck No load sound pressure level 20 3 4 13 1 2 40 1 9 16 750 1 0 1 300 3 000 0 20 800 48 000 347 13 5 8 2 2 4 85 430 770 43 2 16 9 71 22 5 Provided None Provided None Provided None None ...

Page 7: ... skill etc Test condition Drill bit Genuine parts Workpiece material Concrete compressive strength 240 kg cm2 Drilling into concrete floor Pressing force 30 kgf 6 1 4 Drill diameter mm 18 23 32 22 7 8 20 3 4 16 5 8 14 9 16 12 15 32 10 3 8 8 5 16 0 0 400 15 3 4 1200 47 1 4 600 23 5 8 800 31 1 2 1000 39 3 8 200 7 7 8 Drilling speed mm min HITACHI FDV 20VB B C1 C2 HITACHI FDV 20VA Drilling in concret...

Page 8: ...e use of any electric power 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 Impact Drill are listed in the Handling Instructions to enhance the safe efficient use of the tool by the customer Salespersons must be thoroughly familiar with the contents of the Handling I...

Page 9: ...Low speed and high speed changeover mechanism The Model FDV 20VB turns to the low speed mode by turning the shift lever until the arrow mark on the lever points 1 horizontally The Model FDV 20VB turns to the high speed mode by turning the shift lever until the arrow mark on the lever points 2 horizontally If the shift lever moves jerkily turn the drill chuck a little with a hand Then the shift lev...

Page 10: ...r phase control of the power supply causes heat release to rise with increasing current When the switch is used at S0 S1 in the figure below keeping the switch energized with the motor locked will gradually raise the heat release from the SCR eventually to a level high enough to break the SCR To avoid this release the switch immediately whenever the motor becomes jammed Be sure to wait until the m...

Page 11: ...MBLY Please follow the precautions below for disassembly and reassembly procedures The Bold numbers in the descriptions below correspond to the item numbers in the Parts List and exploded assembly diagram 8 1 Disassembly 8 1 1 Removal of the Drill Chuck 1 For keyless chuck The Drill Chuck 3 keyless chuck is fixed to the Spindle and Gear Set 4 with a UNF 1 2 20 right hand thread and Flat Hd Screw A...

Page 12: ...2 With the Change Plate 9 the Change Knob 7 and Spring A 8 installed remove the Holder 10 the Armature 12 the Stator 14 the Spindle and Gear Set 4 and the Second Pinion 6 all together 3 Pull out the Spindle and Gear Set 4 and the Second Pinion 6 from the Holder 10 4 Place the Holder 10 on a cylindrical jig and press down on the armature pinion to remove the Armature 12 from the Holder 10 5 Remove ...

Page 13: ... 0 5 mm or more with new one Leaf spring Pull out Insert Internal wire J 86 pin 0 5 max 8 2 Reassembly Reassembly can be accomplished by following the disassembly procedures in reverse However special attention should be given to the following items 8 2 1 Reassembly of the armature and the stator 1 Press fit the Ball Bearing 608DDC2PS2L 11 Dust Seal 13 and the Ball Bearing 608VVC2PS2L 5 into the A...

Page 14: ...nd 1211 to housing A 1 place and housing B 3 places as shown below to seal the grease securely After application of the Silicon Rubber 610 mount housing B within 90 minutes After mounting housing B wipe the Silicon Rubber 610 off the surface Holder 10 Spring A 8 Change Plate 9 Face the chamfered surface to the ratchet side Ratchet Apply Silicon Rubber 610 to the diagonally lined areas Housing B Ho...

Page 15: ...rd the Drill Chuck 3 and fill housing A with 65 to 70 g of Nippeco SEP 3A Code No 930035 8 4 Tightening Torque 1 Drill Chuck 3 29 4 to 39 2 N m 300 to 400 kgf cm 260 to 347 in lbs 2 Flat Hd Screw A Left Hand M6 x 25 1 3 9 to 4 9 N m 40 to 50 kgf cm 34 7 to 43 3 in lbs 3 Tapping Screw W Flange D4 x 20 Black 21 1 5 to 2 5 N m 15 to 25 kgf cm 13 1 to 21 7 in lbs 4 Tapping Screw W Flange D4 x 16 Black...

Page 16: ...inal White Black Brown Blue Connection of internal wires to the stator viewed from the commutator side Housing A side Housing B side White Gray Connection of internal wires to the switch For noise suppressor black For cord brown or black For cord blue or white Red Gray Red Black Brown Gray Blue Noise suppressor Forward reverse changeover section Blue or white Main switch section Cord Brown or blac...

Page 17: ...rbon brush terminal White Black Brown Blue Connection of internal wires to the stator viewed from the commutator side Housing A side Housing B side White Gray Connection of internal wires to the switch For cord brown or black For cord blue or white Red Gray Red Black Brown Gray Blue Forward reverse changeover section Blue or white Main switch section Cord Brown or black Wiring diagram Brown Black ...

Page 18: ...ore with DC 500 V Megohm Tester Dielectric strength AC 4 000 V 1 minute with no abnormalities 220 V 240 V and 110 V for U K products AC 2 500 V 1 minute with no abnormalities 110 V 115 V 8 7 No load Current Values After 30 minutes of no load operation current values should be as follows 110 V and 115 V Less than 3 0 A 220 V 230 V and 240 V Less than 1 5 A ...

Page 19: ...ULES MODEL 10 20 30 40 Fixed Variable Work Flow Carbon Brush Speed Control Switch Cord 60 min 50 Housing A B Set Ball Bearing 608DD Spindle and Gear Set Stator Armature Second Pinion Holder Ball Bearing 608VV x 2 General Assembly FDV 20VB ...

Page 20: ...TRIC TOOL PARTS LIST LIST NO IMPACT DRILL Model FDV 20VB 2001 2 20 E1 F847 1 2 3 3 4 7 10 17 18 24 25 26 27 30 31 32 33 34 35 36 37 38 39 501 502 503 5 6 7 8 9 5 11 12 13 14 15 16 19 20 21 28 29 22 23 26 39 ...

Page 21: ...ED 1 18 303 656 INTERNAL WIRE C BLACK 1 19 319 644 HOUSING A B SET MOSS GREEN 1 19 319 615 HOUSING A B SET OFF BLACK GREEN 1 20 NAME PLATE 1 21 302 086 TAPPING SCREW W FLANGE D4X20 BLACK 9 22 319 607 SHIFT ARM 1 23 999 041 CARBON BRUSH 1 PAIR 2 24 955 203 BRUSH HOLDER 2 25 314 916 SPEED CONTROL SWITCH 2P 100V 115V 1 25 314 921 SPEED CONTROL SWITCH 2P 220V 240V 1 26 319 614 INTERNAL WIRE BROWN 1 26...

Page 22: ...SCRIPTION REMARKS NO USED PARTS FDV 20VB 2 01 37 994 273 NOISE SUPPRESSOR 1 FOR CHN SAF EUROPE OCEANIA 38 302 488 EARTH TERMINAL 1 FOR NOISE SUPPRESSOR 39 319 613 INTERNAL WIRE BLUE 1 39 319 642 CHOKE COIL BLUE 1 FOR CHN SAF EUROPE OCEANIA ...

Page 23: ...E HANDLE 1 502 303 709 DEPTH GAUGE 1 503 319 616 CASE 1 601 931 851 DRILL BIT B D6 5X100 1 602 931 852 DRILL BIT B D8 0X100 1 603 931 853 DRILL BIT B D9 5X120 1 604 931 854 DRILL BIT B D10 0X120 1 605 971 704 DRILL BIT B D12 0X160 1 606 931 855 DRILL BIT B D13 0X160 1 607 931 776 DRILL BIT B D14 3X160 1 608 971 670 DRILL BIT B D16 0X160 1 609 931 856 DRILL BIT B D19 0X160 1 610 306 927 SILICON RUB...

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