Hitachi VB 16Y Technical Data And Service Manual Download Page 28

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* ALTERNATIVE PARTS

--- 4 ---

PARTS

ITEM

NO.

CODE NO.

DESCRIPTION

REMARKS

NO.

USED

OPTIONAL ACCESSORIES

ITEM

NO.

CODE NO.

DESCRIPTION

REMARKS

NO.

USED

103

318-362

BALL BEARING (A)

104

HITACHI LABEL (B)

105

310-146

HOUSING ASS’Y

INCLUD.93,96

106

930-703

BRUSH TERMINAL

107

990-861

INTERNAL WIRE

108

953-121

HEX. HD. TAPPING SCREW D5X50

109

360-552E ARMATURE 230V

110

931-701

BEARING LOCK

111

302-089

TAPPING SCREW (W/FLANGE) D5X20 (BLACK)

112

NAME PLATE

113

319-705

HANDLE (A).(B) SET

114

995-362

SWITCH RUBBER COVER

115

959-140

CONNECTOR 50091 (10 PCS.)

116

878-609

O-RING (S-24)

117

319-718

VOLUME HOLDER

118

CAUTION LABEL (B)

119

319-719

CONTROLLER CIRCUIT

120

994-273

NOISE SUPPRESSOR

121

319-716

SWITCH (2P PLUG IN TYPE) W/LOCK

122

316-229

MACHINE SCREW (W/WASHERS) M5X20 (BLACK)

123

984-750

TAPPING SCREW (W/FLANGE) D4X16

124

937-631

CORD CLIP

125

320-428

CORD

125

320-429

CORD

FOR GBR

125

320-430

CORD

FOR SUI

126

998-471

HEX. SOCKET HD. BOLT M5X12

601

314-837

CASE

602

319-712

CENTER ROLLER (D38) SET

603

319-713

CENTER ROLLER (D50) SET

VB 16Y

Printed in Japan

(010925N)

9 -- 01

Summary of Contents for VB 16Y

Page 1: ...POWER TOOLS TECHNICAL DATA AND SERVICE MANUAL PORTABLE REBAR CUTTER BENDER VB 16Y SPECIFICATIONS AND PARTS ARE SUBJECT TO CHANGE FOR IMPROVEMENT LIST No 0790 Sep 2001 V MODEL VB 16Y ...

Page 2: ...ICAL 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 JET RCB 16 P ...

Page 3: ...S UNIT 5 9 SERVICE LIFE OF CUTTER 5 10 PRECAUTIONS IN SALES PROMOTION 5 10 1 Handling Instructions 5 11 SAFETY INSTRUCTIONS 6 11 1 Pictograph Illustration and Explanation 7 12 PRECAUTIONS IN DISASSEMBLY AND REASSEMBLY 8 12 1 Disassembly 8 12 2 Reassembly 14 12 3 Wiring Diagram 14 12 4 Confirmation after Reassembly 18 12 5 Tightening Torque 20 12 6 Insulation Tests 20 12 7 No load Current Value 20 ...

Page 4: ...struction of foundations and external structures Cutting and bending of rebars for fitting building parts during construction of reinforced concrete buildings 4 CAPACITY Rebar diameter Max 16 mm 5 8 5 SELLING POINTS Double insulated structure Reaction receiver Built in slip clutch Hole for bolting to a fixed base Center roller diameter 62 mm standard 50 mm optional 38 mm optional Changeable bendin...

Page 5: ...ndard center roller is 62 mm 2 29 64 R31 mm 1 7 32 The bending diameter is changeable to 38 mm 1 1 2 R19 mm 1 3 4 or 50 mm 1 31 32 R25 mm 63 64 by using the optional center roller sets 5 1 4 Double insulated structure The Model VB 16Y has double insulated structure for safety in use outdoors or below the ground 5 1 5 Reaction receiver There is a need to prevent movement of the unit caused by cutti...

Page 6: ...ingle phase AC 50 Hz 2 3 A 230 V 510 W 14 5 min 1 Product 17 0 kg 37 5 lbs excluding cord Packed 19 7 kg 43 4 lbs Corrugated cardboard box Two core cabtire cable 2 5 m 8 2 ft Allen key for M5 hexagon socket bolt 1 pc One set of cutters 1 set Cutting 10 mm 3 8 max 2 pieces 12 mm 1 2 max 1 piece 16 mm 5 8 max 1 piece Model 6 1 Optional Parts 1 Cutter 2 Center roller D38 set 3 Center roller D50 set 4...

Page 7: ...tem Manual HITACHI VB 16Y HITACHI VB 13Y Cutting time 2 Bending time 180 2 seconds operation seconds operation 3 1 5 1 3 2 4 30 569N 3 mm 10 mm 3 8 max 12 mm 1 2 max 16 mm 5 8 max 10 mm 3 8 max 12 mm 1 2 max 16 mm 5 8 max 62 mm dia 2 29 64 38 mm dia 1 1 2 1 50 mm dia 1 31 32 1 38 mm dia 1 1 2 25 mm dia 63 64 1 36 mm dia 1 27 64 2 pieces 3 pieces 1 piece 2 pieces 1 piece 1 piece 2 pieces 1 piece 2 ...

Page 8: ...promoting the safest and most efficient use of the Model VB 16Y Portable Rebar Cutter Bender by all of our customers it is very important that at the time of sale the salesperson carefully ensures that the buyer seriously recognizes the importance of the contents of the Handling Instructions and fully understands the meaning of the precautions listed on the Caution Plate attached to each tool 10 1...

Page 9: ...nd cause serious accidents 3 Reserve an extra length of at least 200 mm 8 on the bending length of the rebar to be bent Fig 7 If the extra length is not long enough the rebar can come off during bending operation or it can break into fragments and scatter dangerously 4 Observe the specified number of rebars that can be bent or cut at one time Bending Rebar of 10 mm 3 8 diameter 3 pieces maximum Re...

Page 10: ...length of a rebar to be hooked to the reaction stopper B Avoid bringing your hand near to the reaction stopper B during operation otherwise you may get your finger caught in or may run the hazard of other injuries Set the rebar in the center or the recess of the cutter during cutting work Any cutting work with the rebar set on corners or ends of the cutter can result in the pieces of broken rebar ...

Page 11: ... ass y Disconnect the connector by pulling the rubber bushing and the cable in the arrow direction 1 Gently pull the cable by moving from side to side to disconnect the connector 2 If the connector is remained in the gear cover due to yanking the cable disassemble the gear cover referring to 4 Disassembly of the gear cover and remove the remained connector from the gear cover Fig 9 Cable Cable con...

Page 12: ...emove the Nylock Bolt W Flange M5 x 25 37 Sleeve G 39 Spring G 40 and Guide D62 41 The Center Plate 1 can then be removed c Remove the Tapping Screw W Flange D4 x 20 Black 42 and Lever B 43 d Remove the Turn Table 2 Washer 7 and Roller B 8 e Remove the Turn Table 2 Hex Bar Wrench 4 mm 33 and three Nylock Flat Hd Screws M4 x 12 3 to remove the Cam Cover 4 Fig 10 6 35 34 4 3 8 12 37 40 39 6 41 1 7 2...

Page 13: ...ling and reassembling Improper engagement will not only make the bending angle incorrect but also damage the volume shaft to which the Sensor Gear 25 is mounted because the turning angle of the volume shaft is limited to 300 4 Perform reassembly so that the mark on the Sensor Gear 25 is aligned to the mark of the Sensor Gear 26 If marking is omitted before disassembly adjust the sensor gears so th...

Page 14: ...ss Sleeve F 70 in A direction with a hand press supporting the surface of the First Gear 68 b Disassembly of the Second Pinion Set 58 Fig 13 Remove the Retaining Ring for D14 Shaft 64 and press Sleeve E 63 with a hand press to remove it from the Second Pinion Set 58 c Disassembly of the Third Pinion 50 Fig 14 Press the Third Gear 52 with a hand press to remove it from the Third Pinion 50 Press Sle...

Page 15: ...l of the Final Gear 17 Fig 15 The Final Gear 17 is press fitted in the Cam Shaft 12 Remove the Final Gear 17 from the Cam Shaft 12 with the J 321 final gear puller by pressing the end surface of the cam shaft with a hand press as shown in Fig 15 6 Removal of the cam shaft unit Fig 16 Push up bracket A unit in the arrow direction with a flatblade screwdriver and remove the cam shaft unit and sleeve...

Page 16: ... direction 8 Disassembly of bracket A and B unit Fig 18 a Bracket A and B unit is press fitted to Shaft A 72 and secured with the Seal Lock Hex Socket Hd Bolt M12 x 20 81 Remove the Seal Lock Hex Socket Hd Bolt M12 x 20 81 Belleville Spring For M12 80 and Spacer 79 Press Shaft A 72 with a hand press to remove it from Bracket A 86 and Bracket B 91 9 Disassembly of bracket A unit Fig 18 a Remove the...

Page 17: ...ssembly of the power supply unit Figs 19 and 20 Be sure to perform wiring connections as indicated in the wiring diagrams a Be sure to put the connectors in the specified position when connecting the connector of the Cord 125 to the connector of the Controller Circuit 119 Fig 8 b Before connecting each internal wire to the terminals of the Switch 121 check that the flat springs of each terminal ar...

Page 18: ...lded portion 3 Reassembly of Roller C 76 Fig 22 Press fit the Needle 75 into Bracket A 86 so that the oil grooves of the Needle 75 are aligned with the engraved marks on Bracket A 86 4 Reassembly of bracket A unit Fig 23 Mount Bracket A 96 to Spring D 77 so that the folded portion of Spring D 77 securely fits in the notch of the Cutter Guard 89 5 Reassembly of bracket A and B unit Apply grease DOU...

Page 19: ... Spring 48 mounting portion Short end Long end 13 Fig 26 b Fig 26 a 7 Installation of Return Spring 48 Fig 26 Hook the long end of the Return Spring 48 on the Pin for Spring 78 of bracket A and B unit first then the short end on the mounting portion of the Inner Cover Ass y 13 using a flatblade screwdriver Fig 27 10 32 12 Sleeve B unit 8 Installation of the cam shaft unit Fig 27 Mount sleeve B uni...

Page 20: ... portions of the gears adequately 9 Installation of Final Gear 17 Fig 28 Mount the two Feather Keys 7 x 7 x 25 46 to the Cam Shaft 12 and gradually press fit the Cam Shaft 12 into the Final Gear 17 supporting the end surface of the Cam Shaft 12 After press fitting be sure to secure the Final Gear 17 with the Retaining Ring for D28 Shaft 18 ...

Page 21: ...al 1 Adhering the angle gauge Fig 29 Put the angle gauge around Roller B 8 and adhere it to the Turn Table 2 aligning with the perimeter 2 Checking Fig 30 a Turn the set dial fully clockwise to start the machine b Check the position of the line A on the cam cover and the mark on the angle gauge when the machine switches from forward to reverse rotation c It is all right if the line A on the cam co...

Page 22: ...ptacle b Remove the tail cover c Take out the printed circuit board for adjustment and slightly turn the fine adjustment volume clockwise if the bending angle is narrow and counterclockwise if the bending angle is wide d Plug the power cord in the receptacle and check the accuracy again with an angle gauge Repeat the adjustment until the line A on the cam cover is within the range of the angle gau...

Page 23: ...ing Screw Machine Screw W Washers Nylock Flat Hd Screw Hex Socket Hd Bolt W Flange 1 8 0 4 N m 18 4 kgf cm 1 0 2 N m 10 2 kgf cm 3 4 0 7 N m 35 7 kgf cm 2 2 0 4 N m 22 4 kgf cm 3 4 0 7 N m 35 7 kgf cm Nylock Bolt W Flange 5 9 1 5 N m 60 15 kgf cm Nylock Bolt W Flange 5 9 1 5 N m 60 15 kgf cm Hex Socket Hd Bolt W Flange 5 9 1 5 N m 60 15 kgf cm Nylock Bolt W Flange Hex Socket Hd Bolt W Flange 22 1 ...

Page 24: ...O Ring P 20 Lever B Cover Spring F Dust Guard Second Pinion Set Ball Bearing 6000VV Metal B Third Pinion Feather Key 7 x 7 x 12 Third Gear Metal B Ball Bearing 6302VV Final Gear Ball Bearing 6302VV Housing Ass y Bearing Bushing B Ball Bearing 608VV x 2 Stator Ass y Fan Guide Armature Ass y Cam Shaft B Cam Shaft Feather Key 7 x 7 x 22 Feather Key 7 x 7 x 25 Return Spring Shaft A Feather Key 3 x 3 x...

Page 25: ... 29 30 31 32 33 37 38 39 40 41 42 43 44 45 46 47 48 19 51 52 53 55 56 59 60 61 62 63 64 65 66 67 68 69 70 71 74 75 76 79 80 81 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 103 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 20 20 20 20 42 42 85 87 88 83 82 77 78 73 72 58 57 54 50 49 35 36 8 34 107 108 125 6 6 6 5 126 ...

Page 26: ...213 SENSOR HOLDER ASS Y 1 INCLUD 23 25 23 316 214 TAPPING SCREW D3X12 1 24 949 215 MACHINE SCREW M4X8 10 PCS 2 25 316 212 SENSOR GEAR 1 26 316 212 SENSOR GEAR 1 27 962 569 WASHER B 1 28 987 203 SEAL LOCK SCREW W SP WASHER M4X12 1 29 319 685 O RING 1 30 319 686 SENSOR COVER 1 31 319 704 WARNING LABEL A 1 32 319 680 SHAFT B 1 33 319 699 HEX BAR WRENCH 4MM LENGTH 45 1 34 319 694 WASHER A 1 35 319 714...

Page 27: ...INING RING FOR D10 SHAFT 10 PCS 1 74 971 750 FEATHER KEY 3X3X20 2 75 319 664 NEEDLE 1 76 319 663 ROLLER C 1 77 319 666 SPRING D 1 78 319 667 PIN FOR SPRING 1 79 319 673 SPACER 1 80 320 424 BELLEVILLE SPRING FOR M12 1 81 319 674 SEAL LOCK HEX SOCKET HD BOLT M12X20 1 82 319 688 COVER 1 83 319 687 SPRING F 1 84 872 470 O RING S 26 1 85 878 181 NYLOCK HEX SOCKET HD BOLT M5X16 2 86 319 662 BRACKET A 1 ...

Page 28: ...TE 1 113 319 705 HANDLE A B SET 1 114 995 362 SWITCH RUBBER COVER 1 115 959 140 CONNECTOR 50091 10 PCS 7 116 878 609 O RING S 24 1 117 319 718 VOLUME HOLDER 1 118 CAUTION LABEL B 1 119 319 719 CONTROLLER CIRCUIT 1 120 994 273 NOISE SUPPRESSOR 1 121 319 716 SWITCH 2P PLUG IN TYPE W LOCK 1 122 316 229 MACHINE SCREW W WASHERS M5X20 BLACK 2 123 984 750 TAPPING SCREW W FLANGE D4X16 2 124 937 631 CORD C...

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