Hitachi WH 12DAF Technical Data And Service Manual Download | Manualshive

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POWER TOOLS

TECHNICAL DATA

AND

SERVICE MANUAL

CORDLESS IMPACT DRIVER

WH 12DAF

SPECIFICATIONS AND PARTS ARE SUBJECT TO CHANGE FOR IMPROVEMENT

LIST No. F880

Feb. 2003

W

MODEL

WH 12DAF

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Summary of Contents for WH 12DAF

Page 1: ...POWER TOOLS TECHNICAL DATA AND SERVICE MANUAL CORDLESS IMPACT DRIVER WH 12DAF SPECIFICATIONS AND PARTS ARE SUBJECT TO CHANGE FOR IMPROVEMENT LIST No F880 Feb 2003 W MODEL WH 12DAF ...

Page 2: ...A 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 C MAKITA 6914D P DeWALT DW977K ...

Page 3: ...Screws or Bolts Driven 9 7 PRECAUTIONS IN SALES PROMOTION 10 7 1 Safety Instructions 10 7 2 Tightening Torque Inspection Prior to Operation 12 7 3 Tightening Torque Variation 12 7 4 Suggestions and Precautions for the Efficient Use of the Charger and Storage Batteries 14 8 OTHER PRECAUTIONS 14 9 REPAIR GUIDE 15 9 1 Precautions in Disassembly and Reassembly 15 9 2 Precautions in Disassembly and Rea...

Page 4: ...terials 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 ro...

Page 5: ...hook is very convenient if there is no place to put the impact driver temporarily Although various kinds of hooks are on the market there is a user demand for a standard accessory hook To cope with this demand the Model WH 12DAF is equipped with the hook having the following features as a standard accessory The hook can be quickly slide out and can be slide in when not needed The hook is mountable...

Page 6: ... battery EB 1212S Battery 0 6 kg 1 3 lbs with battery EB 1214L EB 1220BL EB 1222HL 0 5 kg 1 1 lbs with battery EB 1212S Overall length x height 176 mm 6 15 16 x 226 mm 8 7 8 with battery EB 1214L EB 1220BL EB 1222HL 176 mm 6 15 16 x 217 mm 8 1 2 with battery EB 1212S Center height 26 mm 1 1 64 Battery Type EB 1212S EB 1214L Sealed cylindrical nickel cadmium battery Nominal voltage DC 12V Nominal l...

Page 7: ...0BL battery at 20 C 68 F Approx 55 minutes for type EB 1222HL battery at 20 C 68 F Operable ambient temperature range 0 C 40 C 32 F 104 F The maximum allowable temperature of the type EB 1212S EB 1214L and EB 1220BL battery is 60 C 140 F and the type EB 1222HL battery is 45 C 113 F Charger Model UC 24YFA Weight Net Main body with battery EB 1214L EB 1220BL EB 1222HL 1 6 kg 3 5 lbs with battery EB ...

Page 8: ...Hexagon socket L B Stamped figures 996177 8 5 16 65 2 9 16 8 Stamped figures 5 mm Hexagon socket Part Name L mm B mm Code No 985329 10 3 8 65 2 9 16 10 6 mm Hexagon socket 996178 12 15 32 65 2 9 16 12 5 16 Hexagon socket 996179 13 1 2 65 2 9 16 13 8 mm Hexagon socket 996180 14 9 16 65 2 9 16 14 10 mm Hexagon socket small type 996181 16 5 8 65 2 9 16 16 10 mm Hexagon socket 996182 17 21 32 65 2 9 1...

Page 9: ...able speed Electric brake Equipped Charging time EB 1222HL Approx 55 min 1 1 In the case of tapping screws and wood screws a minimum of M3 is possible 2 Max tightening torque is based on tightening an M12 15 32 bolt strength grade 12 9 for 3 sec with a hexagon socket 3 Main body weight does not include accessory tools hexagon bit etc 4 This types of battery could not charge by Model UC 12SD M4 M8 ...

Page 10: ... Torque coefficient 0 17 Strength grade and rated axial stress of threads Strength grade Rated axial stress kgf mm2 Material Heat treatment 4 8 6 8 8 8 12 9 29 1 43 7 58 2 95 Mild steel Alloy steel including Ni Mn Cr etc None Processed hard material Diameter and effective sectional areas of threads Kind of thread x pitch Effective sectional area of thread mm2 M5 x 0 8 mm 3 16 14 2 M6 x 1 mm 1 4 20...

Page 11: ... Bolt Nut Steel plate thickness t The following bolts were utilized Ordinary bolt strength grade 4 8 High strength bolt strengh grade 12 9 Strength grade is read as follows 4 8 Yield point or durable force 45 500 psi Tensile strength of the bolt 56 900 psi Washer Ordinary bolt High strength bolt 15 32 x 1 3 4 M12 x 45 Tightening time sec Steel plate thickness t 3 8 10 mm 200 174 400 347 600 521 80...

Page 12: ...ened per charge will vary slightly depending on screw tightening conditions screw sizes ambient temperatures and the charging capacity of the battery 1 Number of screws or bolts driven Battery Nominal capacity Tightening condition Model HITACHI WH 12DAF EB 1214L 1 4 Ah Wood screw 4 5 mm dia x 50 mm soft wood 200 Wood screw 4 5 mm dia x 75 mm hard wood 110 Wood screw 4 5 mm dia x 90 mm hard wood 70...

Page 13: ...icated 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 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...

Page 14: ... capable of being recharged or repaired If thrown into a fire the batteries may explode or if discarded indiscriminately leakage of the cadmium compound contained in the battery may cause environmental pollution B Caution Plates 1 The following precautions are listed on the Name Plate or Caution Plate attached to the main body of each tool For Asia and Oceania Warning To reduce the risk of injury ...

Page 15: ...s necessary by measuring the tightening torque with an appropriate torque wrench or driver before commencing continuous operation 7 3 Tightening Torque Variation The tightening torque of the cordless impact driver may vary slightly in accordance with the factors described below Salespersons are requested to advise the customer to confirm that appropriate tightening torque is obtained by measuring ...

Page 16: ...ing torque is considerably less than when the bolt is tightened into a hard material such as steel 5 Different tightening conditions The tightening torque may vary in accordance with bolt torque coefficient dependent on manufacturing process and specified by bolt manufactures bolt grade and bolt length even though the dimensions of the bolts are the same Tightening torque may also vary depending o...

Page 17: ...o about 30 minutes depending on the load duration of use and ambient temperature 8 OTHER PRECAUTIONS 1 Check for cracks or other damage on the socket Cracks or any other faults on the socket are very hazardous In addition cracks or other damage to accessories will cause loss of tightening torque efficiency Advise the customer to inspect accessories often and ensure there are no abnormalities 2 Soc...

Page 18: ...ss y 1 can be removed 2 Removal of the Hook Ass y 37 Remove the Special Screw M5 44 with a flatblade screwdriver or a coin then remove the Hook Ass y 37 and the Hook Spring 43 3 Removal of housing B Remove the seven Tapping Screws W Flange D4 x 20 30 from the main body to remove housing B 4 Remove the DC Speed Control Switch 34 the Fin 42 and the Motor 27 together Remove the Pushing Button 35 and ...

Page 19: ...ng with a screwdriver until it is free The Guide Sleeve 5 can now be removed Avoid quickly raising the retaining ring or it may fly out forcefully The retaining ring can also be easily removed by widening the gap of the retaining ring with the jig for retaining ring and slowly raising the retaining ring with a small flat blade screwdriver 7 Hammer 11 Push down Spindle 18 Spring 14 Stopper 16 Washe...

Page 20: ...ng diagram Fig 6 for proper wiring b Pay attention to the polarity of the Motor 27 when soldering the Internal Wire Red 28 and Internal Wire Black 29 to the Motor 27 The red marked side of the Motor 27 is positive c Mount the Motor 27 into housing A so as to pay attention to the position of the Internal Wire Red 28 and the depression for preventing motor body from rotating fit in housing A Note Ma...

Page 21: ...re Black 29 Internal Wire Red 28 Red marking Indicate positive side Internal Wire Red 28 Motor 27 Fin 42 Internal Wire Black 29 Projection of the forwarding reversing lever FET Machine Screw W Sp Washer M3 x 4 41 Fig 6 DC Speed Control Switch 34 ...

Page 22: ...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 the Spindle 18 to compress the Spring 14 On this condition mount the Stopper 16 onto the spindle shaft and then release the hand press e Mount the Ring Gear 21 Washer C 22 Ball Bearing 23 Inner Cover 24 Damper 25 and the Retaining Ring 26 to the above reassembly Furthermore mount the ...

Page 23: ...of the housing 7 Check whether the direction of rotation of Anvil B 9 coincides with the directional markings on the push on side of the Pushing Button 35 When the Pushing Button 35 is turned to the R side the direction of rotation of Anvil B 9 should be clockwise as viewed from behind 8 Lubrication a ATTOLUB MS No 2 Cam groove and sliding section of the Spindle 18 Cam groove and projection of the...

Page 24: ...f cm 17 4 4 3 in lbs Machine Screw W Sp Washer M3 x 4 41 0 29 0 39 N m 3 4 kgf cm 2 6 3 5 in lbs Special Screw M5 44 1 96 0 49 N m 20 5 kgf cm 17 4 4 3 in lbs 9 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 12SD or UC 24YFA Battery Charger ...

Page 25: ... min Fixed Variable WH 12DAF Work Flow Inner Cover Damper Motor DC Speed Control Switch Hook Ass y Hammer Case Anvil Ring Gear Housing A B Set General Assembly Hammer Steel Ball Spring Spindle Idle Gear Set Needle Roller Ball Bearing 6001VV Gear Box Ass y Guide Sleeve ...

Page 26: ...ARTS LIST LIST NO CORDLESS IMPACT DRIVER Model WH 12DAF 2003 2 25 E1 F880 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 37 38 39 40 41 42 43 44 45 501 501 502 ...

Page 27: ...VVCMPS2L 1 24 321 892 INNER COVER 1 25 321 894 DAMPER 1 26 321 893 RETAINING RING 1 27 321 874 MOTOR 1 28 321 876 INTERNAL WIRE RED 115L 1 29 321 877 INTERNAL WIRE BLACK 60L 1 30 301 653 TAPPING SCREW W FLANGE D4X20 BLACK 7 31 NAME PLATE 1 32 321 913 HOUSING A B SET 1 33 CAUTION PLATE 1 34 321 917 DC SPEED CONTROL SWITCH 1 35 321 871 PUSHING BUTTON 1 36 HITACHI LABEL 1 37 320 287 HOOK ASS Y 1 INCL...

Page 28: ...MM 65L 1 604 996 177 NON MAGNETIC HEX SOCKET 8MM 65L 1 605 985 329 NON MAGNETIC HEX SOCKET 10MM 65L 1 606 996 178 NON MAGNETIC HEX SOCKET 12MM 65L 1 607 996 179 NON MAGNETIC HEX SOCKET 13MM 65L 1 608 996 180 NON MAGNETIC HEX SOCKET 14MM 65L 1 609 996 181 NON MAGNETIC HEX SOCKET 16MM 65L 1 610 996 182 NON MAGNETIC HEX SOCKET 17MM 65L 1 611 996 197 HEX SOCKET LONG 21MMX166L 1 612 321 823 DRILL CHUCK...

Page 29: ... 4 ITEM NO CODE NO DESCRIPTION REMARKS NO USED 2 03 WH 12DAF Printed in Japan 030225N ...

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