background image

--- 12 ---

9. REPAIR GUIDE

Be sure to remove the storage batteries from the main body before servicing.  Inadvertent triggering of the switch

with the storage battery connected will result in danger of accidental turning of the motor.

9-1. 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 for the Model DB 3DL.

9-1-1. Disassembly

(1) Removal of Handle (A).(B) Set 

[49]

(a) Removal of the Clip 

[48]

 (2 pcs.)

Insert a flat-blade screwdriver in the dent of the Clip 

[48]

 and remove the Clip 

[48]

. (Fig. 1)

(b) Remove the Tapping Screws (W/Flange) D4 x 20 (Black) 

[37]

.

(c) Grip the battery insertion part and open Handle (A).(B) Set 

[49]

. Since there are latches in Handle (A).(B)

 Set 

[49]

, it is hard to open. Open Handle (A).(B) set 

[49]

 from the LED button side. Then remove the

 Button 

[45]

. Do not remove the Steel Ball D3 

[36]

 from Handle (A).(B) Set 

[49]

.

(2) Removal of Housing (A).(B) Set 

[32]

Remove the two Click Plates 

[35]

, Hitachi Label 

[38]

, Pan Hd. Tapping Screw D3 x 8 

[33]

 and Handle Cover

[43]

. Since there are latches in Housing (A).(B) Set 

[32]

, it is hard to open. Open Housing (A).(B) Set 

[32]

 from

the Shift Knob 

[39]

 side. After opening Housing (A).(B) Set 

[32]

, all the internal parts (drive unit) can be

removed. Pull out the drive unit (consisting of the gear unit, Motor 

[31]

 and power supply unit).

(3) Disassembly of the drive unit (internal parts)

(a) Remove the Shift Arm 

[12]

 from the Gear Box Ass'y 

[1]

.

(b) Pull up the Motor 

[31]

 and remove it from the Gear Box Ass'y 

[1]

. Remove the two Machine Screws (W/Sp.

Washer) M2.6 x 8 

[29]

, then remove the Motor Spacer 

[30]

 from the Motor 

[31]

.

(c) Pull up the Switch (W/Lock) 

[40]

 and remove it from the Motor 

[31]

. When it is hard to remove, use a flat-

blade screwdriver.

Fig. 1

Содержание DB3DL

Страница 1: ...TECHNICAL DATA AND SERVICE MANUAL CORDLESS DRIVER DRILL DB 3DL SPECIFICATIONS AND PARTS ARE SUBJECT TO CHANGE FOR IMPROVEMENT LIST No G857 Sep 2006 D MODEL DB 3DL Hitachi Power Tools ...

Страница 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 Symbols Utilized Competitors Company Name Model Name DeWalt DC600KA C ...

Страница 3: ...RMANCE PER SINGLE CHARGE 7 8 PRECAUTIONS IN SALES PROMOTION 8 8 1 Safety Instructions 8 8 2 Inherent Drawbacks of Cordless Driver Drills Requiring Particular Attention During Sales Promotion 10 9 REPAIR GUIDE 12 9 1 Precautions in Disassembly and Reassembly 12 9 2 Precautions in Disassembly and Reassembly of Battery Charger 20 10 STANDARD REPAIR TIME UNIT SCHEDULES 21 Assembly Diagram for DB 3DL ...

Страница 4: ...tery can be fully charged in 30 minutes 2 Flexibly changeable handle between L shape and straight shape 3 Lightweight and compact 4 Yellow LED light 5 Manual tightening mechanism Easy to tighten screws manually thanks to the comfortable handle shape and the soft grip We aim to expand our market share with the new Model DB 3DL 3 APPLICATIONS Constructing electric facilities assembling machines and ...

Страница 5: ...ody is convenient for operation in narrow spaces Soft grip handle Soft and slip resistant thanks to the elastomer resin The handle end is knobbed for stable gripping in manual tightening Equipped with the new lithium ion battery 3 6 V 1 5 Ah Terminal cover is closed automatically to prevent improper short circuit Flexibly changeable handle The handle is flexibly changeable between L shape and stra...

Страница 6: ...e Model DB 3DL is equipped with a yellow LED light at the tip It is usable regardless of the handle shape either L shape or straight shape Terminal cover 4 1 2 Lightweight and compact The Model DB 3DL is most compact and lightweight in the class It is easy to handle and convenient for operation in narrow spaces 4 1 3 Flexibly changeable handle The handle is flexibly changeable between L shape and ...

Страница 7: ...g the main body maximum manual tightening torque 5 N m 51 kgf cm 4 1 7 21 stage clutch The torque can be finely adjusted by the 21 stage clutch 4 1 8 Lock button The lock button is provided to prevent inadvertent start of the motor even if the switch is turned on by mistake 4 1 9 Blow molded case The compact blow molded case is convenient for carrying the tool A spare battery optional accessory ca...

Страница 8: ...m 3 30 kgf cm 3 26 in lbs 21 stages Max torque 5 N m 51 kgf cm 44 in lbs DC magnet motor Tumbler switch with forward reverse changeover pushing button Body Glassfiber reinforced polycarbonate resin black and thermoplastic elastomer green Battery Polycarbonate resin black Charger ABS resin black Sealed cylindrical lithium ion storage battery DC 3 6 V Charging discharging approximately 500 times 1 5...

Страница 9: ...6 x 25 32 2 mm 5 64 200 600 0 3 2 9 N m 3 30 kgf cm 3 26 in lbs 21 stages 5 N m 51 kgf cm 44 in lbs 1 5 Ah 3 6 V 30 min Model UC 3SFL 196 mm 7 23 32 45 mm 1 49 64 Driver chuck Equipped 126 mm 4 61 64 Equipped Equipped 6 COMPARISONS WITH SIMILAR PRODUCTS Battery type Li ion Overall height 45 mm 1 49 64 Overall length 249 mm 9 13 16 Straight shape L shape Weight 0 4 kg 0 9 lbs Not indicated Not indi...

Страница 10: ...ng performance comparison per charge Number of machine screws fastened per charge 1 Number of holes or fasteners per charge The above table shows an example of test data obtained using the battery which is standard for this tool As actually measured values listed in the above table may vary depending on the sharpness of the drill bit workpiece hardness particularly in wood materials moisture conte...

Страница 11: ...cause of the designed rapid charging feature about 30 minutes use of other battery chargers is hazardous 3 Connect the charger to an AC power outlet only Use of any other power source DC outlet fuel powered generator etc will cause the charger to overheat and burn out 4 Do not use any voltage increasing equipment transformer etc between the power source and the charger If the charger is used with ...

Страница 12: ...lfunctions which could result in fire or other hazards Instruct the customer to bring these units to an authorized service center in the event repair or replacement is necessary 9 Disposal of the storage battery Type EBM 315 Ensure that all customers understand that Type EBM 315 storage battery should be returned to the Hitachi power tool sales outlet or the authorized service center when they are...

Страница 13: ...cause an overload current that could result in burning of the motor and or rapid deterioration of the battery Salespersons should advise the customer to immediately release the switch and stop operation if the motor becomes locked A jammed drill bit can be disengaged from the workpiece material by setting the switch to reverse rotation or by manually turning the main body of the tool 5 Variation i...

Страница 14: ... the battery is above 40ûC 104ûF In such a case the customer should be advised to place the battery in a shaded area with a good airflow and allow sufficient cooling before recharging This phenomenon is common to all existing batteries and chargers which employ temperature sensitive overcharge protection devices The cooling time required before recharging can be accomplished varies from a few minu...

Страница 15: ...s hard to open Open Handle A B set 49 from the LED button side Then remove the Button 45 Do not remove the Steel Ball D3 36 from Handle A B Set 49 2 Removal of Housing A B Set 32 Remove the two Click Plates 35 Hitachi Label 38 Pan Hd Tapping Screw D3 x 8 33 and Handle Cover 43 Since there are latches in Housing A B Set 32 it is hard to open Open Housing A B Set 32 from the Shift Knob 39 side After...

Страница 16: ...g Ring 2 Washer D 3 Guide Spring 4 and Guide Sleeve A 5 in order by following the procedure shown in Figs 2 1 to 2 4 Fig 2 2 Fig 2 4 Fig 2 3 Hold the body and adjust the gap of the Retaining Ring 2 to the groove of socket then insert a small flat blade screwdriver into the groove at an angle Press down Washer D 3 with the small flat blade screwdriver Slide the small flat blade screwdriver under on...

Страница 17: ...l wires NOTE Do not remove the Printed Circuit Board 41 from the Switch W Lock 40 9 1 2 Reassembly Reassembly can be accomplished by following the disassembly procedure in reverse However special attention should be given to the following items 1 Reassembly of the power supply unit Perform wiring according to the wiring diagram Fig 3 Terminal 44 Minus side Terminal Support 46 Terminal 44 Plus side...

Страница 18: ...bly of the manual tightening mechanism a Mount the Lock Ring 15 to the Gear Case 11 so that the protrusion of the Lock Ring 15 alignes with the concave portion of the Gear Case 11 At this time mount the Lock Ring 15 so that the stepped protrusion faces forward b Mount the Needle Roller Set 6 pcs 16 NOTE Do not apply grease to the Lock Ring 15 and the Needle Roller Set 6 pcs 16 Nut 7 Gear Case 11 Y...

Страница 19: ...gear properly b Mount the parts from the Pin Set 3 pcs 13 to Washer A 28 to the part assembled in the following 2 in order See Fig 6 1 Mount the Pin Set 3 pcs 13 and the Steel Ball D3 14 2 Pay attention to the mounting direction of the Ring Gear 20 Carrier 18 Pinion C 22 and Pinion B 25 See Fig 6 b Mount the Motor Spacer 30 to the Motor 31 with the two Machine Screws W Sp Washer M2 6 x 8 29 Do not...

Страница 20: ...ft Knob 39 Slide Ring Gear 24 Shift Arm 12 Gear Case 11 Groove 3 Mounting the Clutch Dial 6 to the Gear Case 11 The Nut 7 has three protrusions One of these protrusions is wider than the others The Clutch Dial 6 has three concave portions One of these concave portions is wider than the others Mount the Nut 7 to the Clutch Dial 6 aligning the wider protrusion of the Nut 7 with the wider concave por...

Страница 21: ...nternal wires of the LED and the Switch W Lock 40 through the rib of the housing in the order of red and black internal wires of the LED then black and red internal wires of the Switch W Lock 40 Red Rib 42 Convex portion The black internal wire is positioned forward Protrusion Concave portion Wider concave portion Indicated with 1 Clutch Dial 6 Fig 11 b Mount the LED to Housing A B Set 32 and fix ...

Страница 22: ... Set 32 correctly remount the Clutch Dial 6 according to step 2 b as it is improperly mounted g Check that the internal wires of the Switch W Lock 40 do not intersect with the internal wires of the LED See Fig 14 8 Reassembly of the handle unit Mount either of Handle A B Set 49 to Housing A B Set 32 Fit the Printed Circuit Board 41 and the Terminal Support 46 in the grooves of the handle See Fig 1...

Страница 23: ... W Sp Washer M2 6 x 8 29 0 1 0 2 N m 1 3 kgf cm Pan Hd Tapping Screw D3 x 8 33 0 49 0 64 N m 5 6 5 kgf cm Tapping Screw W Flange D4 x 20 Black 37 1 5 2 5 N m 15 25 kgf cm 9 2 Precautions in Disassembly and Reassembly of Battery Charger Please refer to the Technical Data and Service Manual for precautions in disassembly and reassembly of the Battery Charger Model UC 3SFL 9 Mounting Guide Sleeve A 5...

Страница 24: ...tor Shift Knob Switch Gear Box Ass y Clutch Dial Nut Spring Gear Case Shift Arm Lock Ring Carrier Planet Gear C Set Ring Gear Pinion C Planet Gear B Set Slide Ring Gear Pinion B Planet Gear A Set First Ring Gear Guide Sleeve Set General Assembly DB 3DL Housing A B Set Handle A B Set Click Plate ...

Страница 25: ...G857 CORDLESS DRIVER DRILL Model DB 3DL 2006 9 15 E1 Hitachi Power Tools 2 3 4 5 6 7 8 9 10 11 17 12 13 14 15 16 33 38 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 42 45 40 39 41 44 43 46 47 36 35 48 49 1 50 501 502 503 ...

Страница 26: ... 332 PLANET GEAR B SET 3 PCS 3 24 326 331 SLIDE RING GEAR 1 25 326 333 PINION B 1 26 326 335 PLANET GEAR A SET 3 PCS 3 27 326 334 FIRST RING GEAR 1 28 326 336 WASHER A 1 29 326 319 MACHINE SCREW W SP WASHER M2 6X8 2 30 326 337 MOTOR SPACER 1 31 326 310 MOTOR 1 32 326 307 HOUSING A B SET 1 33 984 319 PAN HD TAPPING SCREW D3X8 4 34 NAME PLATE 1 35 326 315 CLICK PLATE 2 36 317 788 STEEL BALL D3 4 37 ...

Страница 27: ...B NO 2 50L 1 502 CHARGER MODEL UC 3SFL 1 503 326 346 CASE 1 601 326 665 HOLSTER 1 602 992 670 DRIVER BIT B NO 1 50L 1 603 992 672 DRIVER BIT B NO 3 50L 1 604 992 675 DRIVER BIT B 4MMX50 1 605 992 676 DRIVER BIT B 5MMX50 1 606 992 677 DRIVER BIT B 6MMX50 1 607 321 823 DRILL CHUCK AND ADAPTER SET 1 INCLUD 608 609 608 307 543 CHUCK ADAPTER 1 609 987 575 CHUCK WRENCH FOR 10VLB D 10VLR D 1 ...

Страница 28: ... 4 ITEM NO CODE NO DESCRIPTION REMARKS NO USED 9 06 DB 3DL Printed in Japan 060915N ...

Страница 29: ......

Отзывы: