Hitachi WH 14DSL Technical Data And Service Manual Download Page 5

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5. SELLING POINTS

Powerful tightening torque

Equipped with lightweight and high-capacity (3.0 Ah) lithium-ion battery

Switchable impact rate between save mode and power mode

Model WH 14DSL

Slide type lithium-ion battery

Type BSL 1430 (Capacity: 3.0 Ah)
The Type BSL 1430 lithium-ion battery is equipped with the
overdischarge protection circuit, overcurrent protection circuit
and voltage monitoring circuit for each cell for longer service
life and safety.

• The Model WH 14DSL is equipped with the overdischarge

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.

Charger specifically designed
for slide type lithium-ion
batteries
Model UC 18YRSL

Latch
(on both sides)

(2) Remove.

(1) Push.

Battery

Tightening torque 145 N

•

(1,480 kgf

•

cm)

Compact body: 145 mm in overall length
• Convenient for continuous operation in narrow places

Easy-to-grip thin handle

New type of hook

Switchable impact rate
between save mode and
power mode
• Suitable for tightening

machine screws

Built-in white LED light

Tool tip is structured without
screws. The protector is a
standard accessory.

Switch and monitor panel
• Remaining battery indicator lamp
• Remaining battery indicator switch
• Light switch

Summary of Contents for WH 14DSL

Page 1: ...CORDLESS IMPACT DRIVER WH 14DSL CORDLESS IMPACT WRENCH WR 14DSL WH 14DSL WR 14DSL Feb 2008 LIST Nos WH 14DSL G894 WR 14DSL G895 MODELS WH 14DSL WR 14DSL W ...

Page 2: ...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 WH 14DSL Competitors Symbols Utilized Company Name Model Name P MAKITA BTD130F WR 14DSL Competitors Symbols Utilized Company Name Model Name None ...

Page 3: ...Tightening Torque 14 7 4 Tightening Time 18 7 5 Number of Screws or Bolts Driven 19 8 PRECAUTIONS IN SALES PROMOTION 20 8 1 Safety Instructions 20 8 2 Tightening Torque Inspection Prior to Operation 23 8 3 Tightening Torque Variation 23 8 4 Suggestions and Precautions for the Efficient Use of the Charger 24 9 OTHER PRECAUTIONS 25 10 REPAIR GUIDE 26 10 1 Precautions in Disassembly and Reassembly 26...

Page 4: ...ials 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 work for automobiles rolli...

Page 5: ...rge 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 Charger specifically designed for slide type lithium ion batteries Model UC 18YRSL Latch on both sides 2 Remove 1 Push Battery Tightening torque 145 N m 1 480 kgf cm Compact body 145 mm in overall length Convenient for continuous operat...

Page 6: ... lithium ion battery is equipped with the voltage monitoring circuit for each cell to prevent overcharge of the battery Tightening torque 165 N m 1 685 kgf cm Compact body 152 mm in overall length Convenient for continuous operation in narrow places Easy to grip thin handle New type of hook Switchable impact rate between save mode and power mode Suitable for tightening small diameter bolts Built i...

Page 7: ...he battery is not faulty a The motor automatically stops when the remaining battery level is low when the battery voltage is decreased to about 8 V Type BSL 1430 Charge the battery immediately in such case b The motor may stop if the Model WH 14DSL WR 14DSL is overloaded In such case release the switch and eliminate the cause of the overload problem Then the Model WH 14DSL WR 14DSL will be operabl...

Page 8: ...ately NOTE The remaining battery indicator lamp lights only after the battery has been installed in the tool 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 when the battery remaining power is nearly empty and the protection function is activated It ...

Page 9: ...ength into a lauan workpiece WH 14DSL 7 higher than P Fig 1 Tightening time comparison Tightening time may vary depending on hardness of the workpiece ambient temperature characteristics of the battery etc 2 Tightening torque comparison Figure 2 shows the torque required for tightening an M14 high strength tension bolt in 3 seconds with a hexagon socket 40 mm long WH 14DSL 8 higher than P Fig 2 Ti...

Page 10: ... lbs 1 Tightening torque Figure 3 shows the torque required for tightening an M16 F10T bolt in 3 seconds with a hexagon socket 40 mm long Fig 3 The data above are intended for reference purposes only because actual tightening torque will vary depending on tightening conditions Tightening torque ...

Page 11: ... lbs Includes battery 4 1 5 kg 3 3 lbs Includes battery 4 Weight Battery 0 5 kg 1 1 lbs Overall length x height 145 mm 5 45 64 x 235 mm 9 1 4 152 mm 5 63 64 x 235 mm 9 1 4 Center height 29 mm 1 9 64 Battery Type BSL 1430 Sealed cylindrical Li ion battery Nominal voltage DC 14 4 V Nominal life Charging discharging approximately 1 500 cycles in the case of the Model UC 18YRSL Nominal capacity 3 0 Ah...

Page 12: ...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 32 21 53 64 996197 Drill chuck adaptor set Code No 321823 The drill chuck adaptor set permits mounting of various types of locally available drill bits for a var...

Page 13: ...for the Model WR 14DSL Dimensions and applicable bolts for each hexagon socket Dimensions and applicable bolts for each long socket Shape B Shape D Shape C L Sq H L1 L1 L1 L L Shape B Shape D L Sq H L1 L1 L2 L2 L D 1 dia D 1 dia ...

Page 14: ...y for duct EW 14R corner attachment 6 35 mm 1 4 13 5 mm dia 17 32 45 mm 1 25 32 12 7 mm 1 2 Part name Overall length mm Code No 45 1 25 32 983005 Plus hd driver bit No 2 65 2 9 16 983006 45 1 25 32 983010 Plus hd driver bit No 3 65 2 9 16 983011 Dihedral width of applicable bolts Code No 12 15 32 993658 13 1 2 992613 14 9 16 992615 ...

Page 15: ...o 2 210 0 to 2 490 Overall length x height mm 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 27 1 1 16 29 1 9 64 Main body weight 3 kg 1 49 3 3 lbs 1 58 3 5 lbs 1 45 3 2 lbs Measured figures No load sound pressure level dB A 70 72 73 Remaining battery indicator Provided Not provided Not provided LED light Provided Provided Provided Type of sw...

Page 16: ... Save mode min 1 0 to 2 210 0 to 2 490 Overall length x height mm 152 x 235 5 63 64 x 9 1 4 167 x 236 6 37 64 x 9 19 64 Center height mm 29 1 9 64 27 1 1 16 Main body weight 2 kg 1 52 3 4 lbs 1 59 3 5 lbs Measured figures No load sound pressure level dB A 70 72 Remaining battery indicator Provided Not provided LED light Provided Provided Type of switch Variable speed switch with forward reverse ch...

Page 17: ...2 Impact wrench 14 4 V Test conditions Bolt M14 x 50 mm high strength bolt Steel plate SS34P Thickness 25 mm Accessory tool Hexagon socket length 40 mm width across flat 19 mm Test conditions Bolt M16 x 55 mm 5 8 x 2 5 32 F10T Steel plate Mild steel Thickness 25 mm Accessory tool Hexagon socket ass y ...

Page 18: ...iameter 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 treatment Not pr...

Page 19: ...has come in contact with the material into which it is being tightened In the tightening conditions shown in Figs 5 1 and 5 2 the screws are being tightened directly into a steel plate accordingly the torque goes up very abruptly in comparison with ordinary bolt tightening conditions The following bolts were utilized Strength grade is read as follows Ordinary bolt Strength grade 4 8 4 8 High stren...

Page 20: ... 17 Model WR 14DSL Tightening in the save mode Tightening in the power mode Fig 5 2 ...

Page 21: ...comparison is shown below The data below are intended for reference purposes only because actual tightening time will 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 22: ...he charging capacity of the battery Number of screws or bolts driven Cordless impact driver Model Tightening condition HITACHI WH 14DSL HITACHI WH 14DL P Battery 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 wood 800 950 1 000 Wood screw 4 2 mm dia x 90 mm hard wood 195 155 160 Wood screw 5 3 mm dia x 120 mm har...

Page 23: ...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 fuel powered generator etc will cause the charger to overheat and burn out 5 Do not use any voltage increasing equipment transformer etc between the power source and the charger If the charger is used with voltage over and above that ind...

Page 24: ...Please instruct the customers about adhesion of dust to the Models WH 14DSL and WR 14DSL and effect on electronic devices as follows Do not place the Model WH 14DSL WR 14DSL on a workbench or work area where metal dust is scattered about Do not touch the dust adhered Model WH 14DSL WR 14DSL Instruct the customers to remove adhered dust with a brush Users of medical electronics such as a pacemaker ...

Page 25: ...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 26: ...l as a handy reference and may be utilized as tentative standards 1 Voltage of battery Tightening torque is affected by the voltage output of the battery 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...

Page 27: ...tly larger than the bolt being tightened will also result in decreased torque 7 Bolt and nut rotate together Tightening torque that can be achieved will be considerably decreased if the bolt and the nut rotate together during the tightening operation The customer should be advised to carefully observe the operation and ensure this does not occur 8 4 Suggestions and Precautions for the Efficient Us...

Page 28: ...bolts or nuts it will not only cause insufficient tightening torque but could also easily cause damage to the socket Please refer to the tables in Para 6 2 for appropriate socket dimensions 3 Hammering section lubrication Grease Molub Alloy 777 1 is utilized in the hammering section Frequent or continuous use of the tool will cause excessive temperature rise of the hammering section resulting in d...

Page 29: ...order by following the procedure shown in Figs 6 1 to 6 4 Be sure not to lose the two Steel Balls D3 5 8 in Anvil D 9 1 2 Hold the body and adjust the gap of the retaining ring to the groove of anvil D then insert a small flat blade screwdriver into the groove at an angle Press down washer D with the small flat blade screwdriver 3 4 Slide the small flat blade screwdriver under one side of the gap ...

Page 30: ... Black 34 31 from the main body The Strap Black 49 45 can be removed by removing the Tapping Screw W Flange D4 x 20 Black 34 31 Before removing housing B be sure to remove the Brush Caps 33 30 because housing B cannot be removed if the Brush Caps 33 30 are mounted 6 Removal of the switch The FET of the DC Speed Control Switch 45 42 is firmly inserted in the housing Insert a small flat blade screwd...

Page 31: ... push down either of the raised faces of Hammer F 11 8 to compress Hammer Spring D 14 11 In this position extract the two Steel Balls D5 556 10 7 from the cam grooves of Spindle D 17 14 and Hammer F 11 8 with a small flat blade screwdriver Then slowly release the hand press and lift the Hammer F 11 8 and Washer S 15 12 together to extract them from Spindle D 17 14 Hammer Spring D 14 11 can then be...

Page 32: ...hen disconnect the internal wires red and black of the Brush Block 31 28 from the DC Speed Control Switch 45 42 NOTE Do not disconnect the three FET internal wires soldered to the DC Speed Control Switch 45 42 9 Removal of Magnet D 28 25 Yoke A 29 26 Dust Guard Fin C 30 27 and Side Yoke 27 24 Remove Magnet D 28 25 in the B direction see Fig 9 holding Inner Cover D 25 22 securely because Magnet D 2...

Page 33: ...embly can be accomplished by following the disassembly procedures in reverse However special attention should be given to the following items 1 Reassembly of the switch assembly a Perform wiring according to the wiring diagram shown in Fig 11 when replacing the Controller 46 43 or the DC Speed Control Switch 45 42 singly Omit this item a when replacing the Switch Ass y 47 44 Solder the internal wi...

Page 34: ...rminal Machine Screw W Sp Washer M3 x 5 37 34 Internal wire white Internal wire brown Terminal support Noise suppressor Controller 46 43 Internal wire red DC Speed Control Switch 45 42 Internal wire red Internal wire black Solder the internal wires black and white coming from the bottom of the Controller 46 43 to the terminal support At this time connect the internal wire black to the terminal and...

Page 35: ... Control Switch 45 42 between the ribs as shown in Fig 13 First pass the internal wire white between the left ribs then the internal wire red between the right inner ribs and the internal wire brown between the right ribs Bend the internal wire under the Controller 46 43 so that it fits in the housing However be careful not to break the internal wire when bending Do not bend the internal wire towa...

Page 36: ...t then the internal wire brown between the ribs Pass the internal wire white between the ribs Fig 13 Internal wire white Internal wire brown Internal wire for LED light Put the internal wire red in this groove Internal wire white Internal wire black Internal wire brown Terminal support LD terminal Terminal support terminal Do not bend the internal wire toward the noise suppressor Terminal support ...

Page 37: ...e the hand press e Mounting the Armature Ass y DC 14 4 V 26 23 Adjust the protrusions of Dust Guard Fin C 30 27 to the concave portions of Magnet D 28 25 and also adjust the outside diameter of Dust Guard Fin C 30 27 to the outside diameter of Magnet D 28 25 when mounting Dust Guard Fin C 30 27 to Magnet D 28 25 see Fig 14 Adjust the protrusions of the Side Yoke 27 24 to the concave portions of Ma...

Page 38: ...Dust Guard Fin C 30 27 Flange Protrusion Concave portion Concave portion Brush Block 31 28 Convex portion Dust Guard Fin C 30 27 Fig 14 Fig 15 f Mounting the hammer case Put Anvil D 9 or Anvil B 6 on Spindle D 17 14 Cover it with the Hammer Case 7 3 ...

Page 39: ...e Armature Ass y DC 14 4 V 26 23 After mounting check that the Armature Ass y DC 14 4 V 26 23 turns smoothly If not the gears mesh improperly Check the meshing condition Fig 16 3 Reassembly of housing Mount a unit of the hammer assembly Hammer Case 7 3 Inner Cover D 25 22 including the Armature Ass y DC 14 4 V 26 23 Magnet D 28 25 including Yoke A 29 26 Dust Guard Fin C 30 27 and Side Yoke 27 24 a...

Page 40: ...ck that the Hammer Case 7 3 is mounted to the housing properly If the Hammer Case 7 3 is not fitted in the specified groove of the housing or the rib of Inner Cover D 25 22 is not perpendicular to the rib of the Hammer Case 7 3 remount the Hammer Case 7 3 properly see Figs 16 19 and 20 Be sure to mount the Hammer Case 7 3 to the housing properly to prevent slipping off in the axial direction Apply...

Page 41: ...ght to this position Pass the internal wire of the LED light between the protrusion for locking of the Hammer Case 7 3 and the housing Fig 19 Fig 20 Protrusion for locking of the Hammer Case 7 3 Bring the protrusion for locking of the Hammer Case 7 3 into contact with this portion of the housing ...

Page 42: ...he Lock Nut M4 Black 43 40 and the Packing 44 41 to housings A and B as shown in Fig 21 Then secure housing B with the nine Tapping Screws W Flange D4 x 20 Black 34 31 Wipe off silicone rubber protruded from the housing with a cloth 5 Mounting Protector J 6 2 and Front Cap F 5 1 Cover the assembled housing with Protector J 6 2 and Front Cap F 5 1 Check that the board in the LED light does not prot...

Page 43: ...re with the M4 Truss Hd Screw Black 42 39 At this time do not turn the M4 Truss Hd Screw Black 42 39 quickly Otherwise the Lock Nut M4 Black 43 40 may slip off the housing Be sure to tighten the M4 Truss Hd Screw Black 42 39 slowly so that the Lock Nut M4 Black 43 40 can be tightened together Hook A 41 38 is attachable on either side of the main body 8 Checking for lighting of the LED light and th...

Page 44: ...C 36 33 c MOLUB ALLOY 777 1 8 mm diameter hole of Anvil D 9 or Anvil B 6 sliding section between Anvil D 9 or Anvil B 6 and the metal and upper surface of the claw Two Steel Balls D5 556 10 7 Metal oil groove of the Hammer Case 7 3 Cam groove oil groove and claw of Hammer F 11 8 Cam groove and sliding section of Spindle D 17 14 5 mm diameter hole of Idle Gear Set 2 pcs 18 15 All around the Needle ...

Page 45: ... min Work Flow WH 14DSL General Assembly Hook A Guide Spring D Guide Sleeve D Switch Ass y Inner Cover D Armature Ass y Magnet D Brush Block 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 46: ... Work Flow WR 14DSL General Assembly Hook A Switch Ass y Inner Cover D Armature Ass y Magnet D Brush Block 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 47: ...L CORDLESS IMPACT DRIVER LIST NO G894 E1 1 2 3 4 5 6 7 8 9 11 12 13 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 48 41 40 39 36 37 38 45 46 49 50 37 42 44 35 14 43 10 43 44 47 501 502 503 504 505 506 ...

Page 48: ... 24 319 909 DAMPER 2 25 326 786 INNER COVER D 1 26 360 752 ARMATURE ASS Y DC 14 4V 1 27 323 327 SIDE YOKE 1 28 322 744 MAGNET D 1 29 324 828 YOKE A 1 30 324 830 DUST GUARD FIN C 1 31 321 662 BRUSH BLOCK 1 32 999 054 CARBON BRUSH 5X6X11 5 1 PAIR 2 33 319 918 BRUSH CAP 2 34 301 653 TAPPING SCREW W FLANGE D4X20 BLACK 9 35 329 710 HOUSING A B SET GREEN 1 35 329 827 HOUSING A B SET WHITE 1 35 326 795 H...

Page 49: ...E 2 STANDARD ACCESSORIES DESCRIPTION REMARKS 501 CHARGER MODEL UC 18YRSL 1 502 329 440 CASE ASS Y 1 INCLUD 503 506 503 324 093 LATCH DARK GRAY 2 504 324 096 KNOB L DARK GRAY 1 505 324 090 HANDLE DARK GRAY 1 506 324 099 KNOB R DARK GRAY 1 2 08 3 ALTERNATIVE PARTS NO USED CODE NO ITEM NO NO USED CODE NO ITEM NO ...

Page 50: ... 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 SOCKET 19MM 65L 1 614 996 197 HEX SOCKET LONG 21MMX166L 1 615 996 184 BIT PIECE 1 616 987 575 CHUCK WRENCH FOR 10VLB ...

Page 51: ... 14DSL CORDLESS IMPACT WRENCH LIST NO G895 E1 1 2 3 6 8 9 10 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 46 38 37 36 33 34 35 42 43 45 47 34 39 41 32 11 40 7 40 41 44 501 502 503 504 505 506 4 5 ...

Page 52: ... 4V 1 24 323 327 SIDE YOKE 1 25 322 744 MAGNET D 1 26 324 828 YOKE A 1 27 324 830 DUST GUARD FIN C 1 28 321 662 BRUSH BLOCK 1 29 999 054 CARBON BRUSH 5X6X11 5 1 PAIR 2 30 319 918 BRUSH CAP 2 31 301 653 TAPPING SCREW W FLANGE D4X20 BLACK 9 32 329 710 HOUSING A B SET GREEN 1 32 329 827 HOUSING A B SET WHITE 1 32 326 795 HOUSING A B SET RED 1 32 329 828 HOUSING A B SET BLUE 1 33 326 782 LEVER C 1 34 ...

Page 53: ...ARKS 501 CHARGER MODEL UC 18YRSL 1 502 329 440 CASE ASS Y 1 INCLUD 503 506 503 324 093 LATCH DARK GRAY 2 504 324 096 KNOB L DARK GRAY 1 505 324 090 HANDLE DARK GRAY 1 506 324 099 KNOB R DARK GRAY 1 2 08 3 ALTERNATIVE PARTS NO USED CODE NO ITEM NO ...

Page 54: ...24 HEX SOCKET ASS Y 19MMX34L 1 INCLUD 617 618 630 873 626 HEX SOCKET ASS Y 21MMX36L 1 INCLUD 617 618 631 873 627 HEX SOCKET ASS Y 22MMX40L 1 INCLUD 617 618 632 986 058 HEX SOCKET FOR PLASTIC CONE 12MMX70L 1 INCLUD 617 618 633 873 633 EXTENSION BAR ASS Y SQUARE 12 7MMX100L 1 INCLUD 617 618 634 955 151 HEX SOCKET ASS Y LONG 21MMX75L 1 INCLUD 617 618 635 955 138 HEX SOCKET ASS Y LONG 12MMX52L 1 INCLU...

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