Hitachi WH14DBL Technical Data And Service Manual Download | Manualshive

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CORDLESS IMPACT DRIVER

WH 14DBL

WH 14DBL

Feb. 2008

LIST No.: G893

MODEL

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Summary of Contents for WH14DBL

Page 1: ...CORDLESS IMPACT DRIVER WH 14DBL WH 14DBL Feb 2008 LIST No G893 MODEL W ...

Page 2: ...AL 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 Competitors Symbols Utilized Company Name Model Name P MAKITA BTD130F ...

Page 3: ...que 10 7 3 Tightening Time 13 7 4 Number of Screws or Bolts Driven 14 8 PRECAUTIONS IN SALES PROMOTION 15 8 1 Safety Instructions 15 8 2 Tightening Torque Inspection Prior to Operation 18 8 3 Tightening Torque Variation 18 8 4 Precautions for Efficient Use of Charger 19 9 OTHER PRECAUTIONS 20 10 REPAIR GUIDE 21 10 1 Precautions in Disassembly and Reassembly 21 10 2 Precautions in Disassembly and R...

Page 4: ...and various other materials with use of optional accessory drill chuck adapter Applicable Markets Wood product assembly Tightening loosening of wood screws Construction industry Assembly of scaffolding roofing aluminum sashes fencing etc removal of plastic cones from concrete forms mounting removal of form ties drilling into the wood frames of concrete forms etc Manufacturing industry Assembly wor...

Page 5: ...verdischarge and overcurrent protection circuit to prevent overdischarge overuse of the battery The Type BSL 1430 lithium ion battery is equipped with the voltage monitoring circuit for each cell to prevent overcharge of the battery Highest tightening torque in its class 150 N m Battery level warning lamp Electronic switch Brushless motor Built in white LED light Tightening mode selector function ...

Page 6: ...force of the electronic switch is about 50 less than that of the conventional model and the switch movement is smooth thanks to the signal contact Moreover it has longer service life because high current is not applied to the inside of the switch and deterioration of the contact is minimized 5 1 Selling Point Descriptions 1 Brushless motor The newly developed brushless motor does not require conve...

Page 7: ...n the trigger switch is pulled to start operation bolt tightening continues without stopping automatically High low selector switch The rotation speed changes in 4 steps 500 1 200 2 000 and 2 600 min 1 each time the high low selector switch is pressed NOTE When the forward reverse button is set to reverse the high low mode and the single continuous mode are set to High and Continuous respectively ...

Page 8: ...orque comparison The following graph shows the torque required for tightening an M14 high strength bolt in 3 seconds with a socket adapter and a hexagon socket overall length 40 mm b Tightening time comparison The following graph shows the time required for driving a wood screw 5 3 mm in diameter and 120 mm in length into lauan The Model WH 14DBL can drive long screws into hard workpieces at high ...

Page 9: ...f The battery remaining power is nearly empty about 30 or lower Recharge the battery immediately NOTE The remaining battery indicator lamp lights only after the battery has been installed in the driver and the trigger switch has been pulled once The indicator lamps of the high low selector switch and the single continuous selector switch go off immediately even though the trigger switch is pulled ...

Page 10: ...e 0 to 3 200 min 1 Low 2 mode 0 to 1 500 min 1 Medium mode 0 to 2 400 min 1 Low 1 mode 0 to 600 min 1 Main body 3 1 5 kg 3 3 lbs Including battery Weight Battery 0 5 kg 1 1 lbs Overall length x height 155 mm 6 1 8 x 238 mm 9 3 8 Center height 29 mm 1 9 64 LED light White LED Remaining battery indicator lamp Red LED Battery Type BSL 1430 Sealed cylindrical lithium ion battery Nominal voltage DC 14 ...

Page 11: ...L mm B mm Code No 5 mm hexagon socket 8 65 2 9 16 8 5 16 996177 6 mm hexagon socket 10 65 2 9 16 10 3 8 985329 5 16 hexagon socket 12 65 2 9 16 12 15 32 996178 8 mm hexagon socket 13 65 2 9 16 13 1 2 996179 10 mm hexagon socket small type 14 65 2 9 16 14 9 16 996180 10 mm hexagon socket 16 65 2 9 16 16 5 8 996181 10 mm hexagon socket 17 65 2 9 16 17 21 32 996182 1 2 hexagon long socket 21 166 6 17...

Page 12: ...x 238 6 1 8 x 9 3 8 145 x 235 5 45 64 x 9 1 4 162 x 236 6 3 8 x 9 19 64 146 x 235 5 3 4 x 9 1 4 Center height mm 29 1 9 64 29 1 9 64 27 1 1 16 29 1 9 64 Main body weight 3 kg 1 55 3 4 lbs 1 49 3 3 lbs 1 58 3 5 lbs 1 45 3 2 lbs Measured figures No load sound pressure level dB A 71 70 72 73 Brushless Motor Provided Not provided Not provided Not provided Type of switch Signal terminal electronic swit...

Page 13: ... M14 high strength bolt in 3 seconds with a socket adapter and a hexagon socket overall length 40 mm Fig 3 Tightening torque in continuous mode Tightening torque in single mode The single mode is applicable to delicate works such as tightening small diameter screws and light load works such as affixing plasterboards Please note that the actual tightening torque may vary depending on hardness of wo...

Page 14: ...Nominal diameter of thread mm p Recommended axial tightening force to be applied to the screw kgf p Rated axial stress kgf mm2 x 0 8 x Effective sectional area of thread mm2 k Torque coefficient 0 17 Strength grade and rated axial stress of thread Table 1 Strength grade 4 8 6 8 8 8 12 9 Rated axial stress kgf mm2 29 1 43 7 58 2 95 Material Mild steel Alloy steel including Ni Mn Cr etc Heat treatme...

Page 15: ...to a steel plate under the following tightening conditions Accordingly the torque goes up very abruptly in comparison with the actual bolt tightening conditions Washer Bolt Nut Steel plate thickness t Following bolts were used Ordinary bolt Strength grade 4 8 High strength bolt Strength grade 12 9 Strength grade is read as follows 4 8 Yield point of bolt 320 N mm2 32 kgf mm2 45 500 psi Tensile str...

Page 16: ... comparison is shown below The data below are intended for reference purposes only because actual tightening time may vary depending on hardness of the workpiece ambient temperature characteristics of the battery etc 1 Wood screw 5 3 mm dia x 120 mm length lauan 2 Wood screw 4 5 mm dia x 90 mm length hemlock spruce 3 Wood screw 4 5 mm dia x 75 mm length hemlock spruce ...

Page 17: ...ary depending on screw tightening conditions screw size ambient temperature and charging capacity of the battery Number of screws or bolts driven Model Tightening condition HITACHI WH 14DBL HITACHI WH 14DSL HITACHI WH 14DL P Battery BSL 1430 Nominal capacity 3 0 Ah BSL 1430 Nominal capacity 3 0 Ah BCL 1430 Nominal capacity 3 0 Ah BL 1430 Nominal capacity 3 0 Ah Wood screw 4 0 mm dia x 50 mm Soft w...

Page 18: ...3 Follow prescribed steps in using the charger First connect the storage battery to the charger then plug the charger into an AC outlet ensuring that the voltage matches that indicated on the unit If this order is reversed the charger may not function properly 4 Ensure the power source voltage is the same as that indicated on the Name Plate of the charger Use of any other power source DC outlet fu...

Page 19: ...capable of being recharged or repaired If thrown into a fire the battery may explode or if discarded indiscriminately leakage of the cadmium compound contained in the battery may cause environmental pollution 11 Effect of the permanent magnet The Model WH 14DBL has a strong permanent magnet in its motor Please instruct the customers about adhesion of dust to the Model WH 14DBL and effect on electr...

Page 20: ...tteries Types BSL 14 and BSL 18 series Other types of batteries may burst causing personal injury and damage Charge between 32 F and 104 F Rest 15 minutes between the charging of batteries Indoor use only Replace defective cord immediately B Caution Plates 1 The following cautions are listed on the name plate attached to the main body of each tool For the U S A and Canada 2 The following cautions ...

Page 21: ...tilized as tentative standards 1 Voltage of battery The tightening torque is affected by the voltage output of the battery The tightening torque decreases as the number of bolts tightened increases This phenomenon is caused by the decline in voltage output of the battery due to the increasing number of bolts tightened In particular the tightening torque decreases rapidly just before the overdischa...

Page 22: ...ncorrect size socket slightly larger than the bolt to be tightened will also result in decreased torque 7 Bolt and nut rotate together The tightening torque that can be achieved will be considerably decreased if the bolt and the nut rotate together during the tightening operation The customers should be advised to carefully observe the operation and ensure this does not occur 8 4 Precautions for E...

Page 23: ... the socket Please refer to the table in Para 6 2 for appropriate socket dimensions 3 Hammering section lubrication Apply grease Molub Alloy 777 1 to the hammering section Frequent or continuous use of the tool will cause excessive temperature rise of the hammering section resulting in depletion of grease and subsequent increased wear of components which will in turn cause loss of tightening effic...

Page 24: ... 1 Precautions in Disassembly and Reassembly The Bold numbers in the description below correspond to the item numbers in the Parts List and the exploded assembly diagram of the Model WH 14DBL 10 1 1 Disassembly 1 Removal of guide sleeve D By following the procedure shown in Figs 5 1 to 5 4 remove the Retaining Ring 1 Washer D 2 Guide Spring D 3 and Guide Sleeve D 4 in this order Avoid quickly rais...

Page 25: ...ve Pushing Button A 33 6 Disassembly of the hammer assembly Mount the hammer assembly onto the J 297 base for washer S special tool With a hand press push down the top of Spindle D 18 to compress Hammer Spring D 14 In this position remove Stopper C 16 with a flat blade screwdriver then release the hand press Remove the hammer assembly from the J 297 base for washer S and support the end surface of...

Page 26: ...ctor of the DC Speed Control Switch 34 to remove flat cable B of the Controller Stator Ass y 44 8 Disassembly of the controller stator ass y and the rotor Holding Inner Cover D 25 securely pull out the stator from the Controller Stator Ass y 44 in B direction because the Rotor 27 has strong magnetic force Controller Stator Ass y 44 Machine Screw W Sp Washer M3 x 5 36 DC Speed Control Switch 34 Con...

Page 27: ...emove the Rotor 27 Remove Ring Gear E 20 and O ring S 42 21 from Inner Cover D 25 then remove the Damper 24 with a small flat blade screwdriver being careful not to damage the O ring S 42 21 Controller Stator Ass y 44 Stator Inner Cover D 25 Rotor 27 B Fig 9 Ring Gear E 20 O ring S 42 21 Washer E 22 Damper 24 Ball Bearing 6901VV N 23 Inner Cover D 25 Fig 10 ...

Page 28: ...Speed Control Switch 34 in the groove of housing A being careful not to be pinched d Be sure to put flat cables A and B through the groove of housing A being careful not to be pinched e Mount the DC Speed Control Switch 34 to housing A so that the protrusion of the forwarding reversing lever at the top of the switch is inserted into the hole of Pushing Button A 33 f Put the internal wires connecte...

Page 29: ... Then release the hand press d Mount the hammer assembly onto the J 297 base for washer S With a hand press push down the top of Spindle D 18 to compress Hammer Spring D 14 On this condition mount Stopper C 16 onto the spindle shaft and then release the hand press e Insert the two Dampers 24 properly according to the shape of Inner Cover D 25 Mount the O ring S 42 21 to Ring Gear E 20 Mount Ring G...

Page 30: ... of the housing as shown in Fig 15 Check that the Hammer Case 7 is mounted to the housing properly If the Hammer Case 7 is not fitted in the specified groove of the housing or the rib of Inner Cover D 25 is not perpendicular to the rib of the Hammer Case 7 remount the Hammer Case 7 properly Be sure to mount the Hammer Case 7 to the housing properly to prevent slipping off in the axial direction d ...

Page 31: ...er 26 Protrusion of the stator Be sure to mount the Hammer Case 7 to housing A securely Hammer Case 7 Mount the LED light to this position Protrusion for locking Bring the protrusion for locking of the Hammer Case 7 into contact with this portion of housing A Fig 15 ...

Page 32: ... mounting the Front Cover Black 6 See Fig 17 After mounting the Front Cover Black 6 mount Front Cap F 5 to secure the Front Cover Black 6 c Insert Hook A 38 into the groove under the side of Housing A B Set 29 and secure with the M4 Truss Hd Screw Black 37 At this time do not turn the M4 Truss Hd Screw Black 37 quickly Otherwise the Lock Nut M4 Black 40 may slip off the housing Be sure to tighten ...

Page 33: ...el Balls D3 5 8 Sliding section between Anvil D 9 and Guide Sleeve D 4 MOLUB ALLOY 777 1 8 mm diameter hole of Anvil D 9 sliding section between Anvil D 9 and the metal and upper surface of the claw Two Steel Balls D5 556 10 Metal oil groove of the Hammer Case 7 Cam groove oil groove and claw of Hammer F 11 Cam groove and sliding section of Spindle D 18 5 mm diameter hole of Idle Gear Set 2 pcs 17...

Page 34: ...s set to reverse the high low mode and the single continuous mode are set to High and Continuous respectively regardless of the indicators on the switch panel f Check that the remaining battery indicator lamp lights by pressing the remaining battery indicator switch and goes off by releasing your finger from the remaining battery indicator switch g Check that the LED light lights and goes off by p...

Page 35: ...ire in the groove Push the internal wire in the groove DC Speed Control Switch 34 Do not catch flat cable B with the screw boss Push flat cable A in the groove Fig 20 Motor Connecting diagram Main PCB SW PCB FET PCB Red LED Black Controller Stator Ass y 44 Terminal DC Speed Control Switch 34 Red Red Black Black LD White Flat Cable A Flat Cable B Wiring diagram ...

Page 36: ... 33 10 2 Precautions in Disassembly and Reassembly of Battery Charger Refer to the Technical Data and Service Manual for precautions in disassembly and reassembly of the Model UC 18YRSL battery charger ...

Page 37: ... Work Flow WH 14DBL General Assembly Hook A Guide Spring D Guide Sleeve D Inner Cover D Rotor Controller Stator Ass y DC Speed Control Switch Hammer Case Anvil C Ring Gear E Housing A B Set Hammer F Steel Ball Hammer Spring D Spindle D Idle Gear Set Needle Roller Ball Bearing 6901VV ...

Page 38: ...Model WH 14DBL CORDLESS IMPACT DRIVER LIST NO G893 E1 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 20 21 22 23 24 25 26 27 28 30 31 32 34 33 37 38 39 40 42 41 29 501 503 504 505 506 502 43 36 35 44 18 19 ...

Page 39: ...ER E 1 23 323 118 BALL BEARING 6901VV N 1 24 322 143 DAMPER 2 25 326 786 INNER COVER D 1 26 328 649 DUST COVER 1 27 328 651 ROTOR 1 28 340 709 STATOR FET PCB 1 29 329 721 HOUSING A B SET GREEN 1 29 329 824 HOUSING A B SET WHITE 1 29 329 444 HOUSING A B SET RED 1 29 329 825 HOUSING A B SET BLUE 1 30 301 653 TAPPING SCREW W FLANGE D4X20 BLACK 9 31 NAME PLATE 1 32 HITACHI LABEL 1 33 321 661 PUSHING B...

Page 40: ... 996 177 NON MAGNETIC HEX SOCKET 8MM 65L 1 606 985 329 NON MAGNETIC HEX SOCKET 10MM 65L 1 607 996 178 NON MAGNETIC HEX SOCKET 12MM 65L 1 608 996 179 NON MAGNETIC HEX SOCKET 13MM 65L 1 609 996 180 NON MAGNETIC HEX SOCKET 14MM 65L 1 610 996 185 NON MAGNETIC HEX SOCKET 15MM 65L 1 611 996 181 NON MAGNETIC HEX SOCKET 16MM 65L 1 612 996 182 NON MAGNETIC HEX SOCKET 17MM 65L 1 613 996 186 NON MAGNETIC HEX...

Page 41: ...WH 14DBL DESCRIPTION REMARKS 4 Printed in Japan 2 08 080206N ALTERNATIVE PARTS NO USED CODE NO ITEM NO ...

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