Hitachi DH24PB3 Скачать руководство пользователя страница 36

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* ALTERNATIVE PARTS

--- 2 ---

ITEM

NO.

CODE NO.

DESCRIPTION

REMARKS

NO.

USED

PARTS

5 -- 05

DH 24PB3

306-345

FRONT CAP

306-340

STOPPER RING

324-527

GRIP

324-528

BALL HOLDER

324-526

HOLDER PLATE

322-812

HOLDER SPRING

984-118

WASHER (B)

939-547

RETAINING RING FOR D20 SHAFT (10 PCS.)

301-654

TAPPING SCREW (W/FLANGE) D5X35

324-546

GEAR COVER

NAME PLATE

307-688

OIL SEAL

322-815

SLEEVE

690-4DD

BALL BEARING 6904DDPS2L

324-522

SLEEVE (A)

322-813

RETAINING RING 37MM

324-530

PUSHING BUTTON

317-223

PUSHING SPRING

878-885

O-RING (S-18)

324-529

CHANGE LEVER

959-156

STEEL BALL D7.0 (10 PCS.)

322-814

CYLINDER

301-677

SECOND GEAR

301-678

SPRING (A)

301-679

WASHER (A)

948-310

RETAINING RING FOR D30 SHAFT

324-525

SECOND HAMMER

944-486

O-RING (1AP-20)

324-523

HAMMER HOLDER

322-802

O-RING (B)

322-805

DAMPER (A)

322-808

O-RING (C)

324-524

DAMPER HOLDER

322-807

STOPPER RING

324-535

STRIKER

322-834

O-RING (I.D. 16)

324-534

PISTON

322-793

O-RING (I.D. 66.5)

324-542

INNER COVER ASS’Y

INCLUD. 42-44

322-798

PISTON PIN

322-799

WASHER (C)

324-543

FELT PACKING (A)

324-545

VALVE

324-544

FELT PACKING (B)

322-795

SPACER

322-796

SPRING (B)

322-794

SECOND SHAFT

301-659

WASHER (B)

301-660

CLUTCH SPRING

324-532

CLUTCH

324-533

RECIPROCATING BEARING

Содержание DH24PB3

Страница 1: ...TECHNICAL DATA AND SERVICE MANUAL ROTARY HAMMER DH 24PB3 SPECIFICATIONS AND PARTS ARE SUBJECT TO CHANGE FOR IMPROVEMENT LIST No E488 May 2005 D MODEL DH 24PB3 Hitachi Power Tools ...

Страница 2: ... 12 7 2 Caution Plate 12 8 REFERENCE MATERIAL 13 8 1 Lubrication 13 8 2 Tool Structure 13 8 3 Rotation Only and Rotation Hammering Changeover Mechanism 17 8 4 Rotation Only no hammering 17 8 5 Drill Bits 18 8 6 Chuck Section 19 8 7 Dust Collector B 19 9 PRECAUTIONS IN DISASSEMBLY AND REASSEMBLY 21 9 1 Disassembly 21 9 2 Reassembly 24 9 3 Tightening Torque 26 9 4 Wiring Diagrams 27 9 5 Internal Wir...

Страница 3: ...L DATA AND SERVICE MANUAL symbols are used in the place of company names and model names of our competitors The symbols utilized here are as follows Symbols Utilized Competitors Company Name Model Name MAKITA HR2440 C BOSCH GBH2SR B ...

Страница 4: ...uble layer molded handle and gear cover 5 New and powerful design aiming at iF design award 3 APPLICATIONS 1 Rotation and hammering function Drilling anchor holes Drilling holes in concrete tile brick and similar materials 2 Rotation only function Drilling holes in steel and wood with chuck adapter Tightening and loosening machine screws wood screws with chuck adapter Typical applications Air cond...

Страница 5: ...NTS Compact body Non slip double layer molded handle Non slip double layer molded gear cover Class top drilling speed More comfortable and frisky drilling New and powerful design Internal pressure adjustment mechanism ...

Страница 6: ...ized In addition idling and grease leakage can be prevented 4 1 4 Non slip double layer molded gear cover The double layer molded gear cover consists of a plastic resin base covered with a soft resin to ensure ease of operation and a non slip grip during chipping using a round bull point 4 1 5 Non slip double layer molded handle The double layer molded handle consists of a plastic resin base cover...

Страница 7: ...min 1 Housing Handle cover Gear cover AC single phase commutator motor Type of motor Model DH 24PB3 13 mm 1 2 32 mm 1 1 4 Voltage V Current A Input W 110 7 6 120 7 0 220 3 8 230 3 6 240 3 5 800 Rotation speed Forward 0 to 1 050 min 1 Reverse 0 to 550 min 1 Type of switch Speed control switch with reversing switch Gun type handle of main body and side handle Type of handle Glassfiber reinforced pol...

Страница 8: ... Code No 306369 306368 306370 Code No Adapter for slender shaft Drill bit slender shaft 1 Drill bit taper shank 2 Taper shank adapter SDS plus shank Drill bit taper shank 21 5 27 32 944464 Morse taper No 2 303618 3 Cotter Straight shank bit for impact drills 13 mm 1 2 hammer drill chuck SDS plus shank 13 mm hammer drill chuck For drilling operations when using a straight shank bit for impact drill...

Страница 9: ...ame W 1 4 Anchor setting adapter A W 5 16 Anchor setting adapter A W 3 8 Anchor setting adapter A W 1 2 Anchor setting adapter A W 5 8 Anchor setting adapter A Code No 971794 971795 971796 971797 971798 Part name W 1 4 Anchor setting adapter B W 5 16 Anchor setting adapter B W 3 8 Anchor setting adapter B W 1 2 Anchor setting adapter B W 5 8 Anchor setting adapter B Internal cone type External con...

Страница 10: ...k SDS plus shank Core bit shank A Core bit outer diameter 25 38 mm 31 32 1 1 2 Overall length 105 mm 4 1 8 Code No 303625 Overall length 300 mm 11 52 64 Code No 303626 Core bit shank B Core bit outer diameter 45 50 mm 1 25 32 2 Overall length 300 mm 11 52 64 Code No 303627 D Crushing operation rotation hammering Bull point round type only SDS plus shank Code No 303046 E Bolt placing operation with...

Страница 11: ...nd securely fix the drill chuck to chuck adapter G with the special screw a left hand threaded M6 screw when mounting the drill chuck onto chuck adapter G Chuck wrench Part name Chuck adapter G for SDS plus shank system 13 mm 1 2 Drill chuck 13VLR with chuck wrench Special screw M6 left hand threaded Code No 303623 321814 981122 a b c 2 Slotted head minus bit Overall length 50 mm For use with slot...

Страница 12: ...d for reverse rotaion If reverse rotation is to be used for loosening screws use the plus bit Bit No 2 described below by attaching it directly to chuck adapter D Screw size Chuck adapter D SDS plus shank Chuck wrench Bit No Chuck adapter D SDS plus shank Code No 971787 Code No 306885 I Grease for electric impact drill Containing 500 g 1 1 lbs Code No 980927 Containing 30 g 0 07 lbs Code No 981840...

Страница 13: ...ight excludes cord and side handle mm 78 3 1 16 Function Forward reverse changeover switch Tool retainer Double layer molded handle Push button type 2 modes Changeover modes One push type 2 modes 2 modes C 24 15 16 780 0 1 100 0 4 500 2 3 5 1 lbs 13 1 2 352 13 55 64 197 7 3 4 32 1 1 4 76 3 Lever type One push type 2 modes HITACHI DH 24PB2 24 15 16 720 0 1 050 0 4 600 2 4 5 3 lbs 13 1 2 351 13 13 1...

Страница 14: ...parison Drilling speed varies considerably depending on the work conditions Use the factory test results shown in Fig 1 for comparison purpose only Fig 1 Test conditions Direction Downward drilling Pushing force 98 N 10 kgf Test material Concrete panel with a compression strength of 2 352 N cm2 240 kgf cm2 Drill bit dia mm Drilling speed mm min ...

Страница 15: ...erent in the use of any electric power tool cannot be completely eliminated Accordingly general precautions and suggestions for the use of electric power tools and specific precautions and suggestions for the use of the Rotary Hammer are listed in the Handling Instructions to enhance the safe efficient use of the tool by the customer Salespersons must be thoroughly familiar with the contents of th...

Страница 16: ...nhance your understanding of the tool and its mechanisms Transmission of rotation Unlike conventional rotary hammers the armature shaft in the Model DH 24PB3 is in parallel with the tool shaft the same structure that is employed in most impact drills This structure was adopted in order to make the Model DH 24PB3 more compact for easier handling and operability Thus the appearance of the Model DH 2...

Страница 17: ...th the cylinder axis Referring to Fig 2 the rotation of armature is transmitted to the second shaft via the first gear The second shaft rotation is further transmitted through a spline to the clutch which engages with a reciprocating bearing and causes it to rotate However as illustrated circular grooves on the inner race of the reciprocating bearing are positioned on an angle of inclination with ...

Страница 18: ...onventional rotary hammers When the drill bit is lifted from the concrete surface on completion of drilling the second hammer moves to the position indicated by the continuous lines in Fig 3 and the protruding lip portion at the tip of the striker is gripped by O ring C mounted between the hammer holder and the damper holder In this state should the piston continue to move so that the small piston...

Страница 19: ...ly large torque is applied to the tool shaft cylinder the force of the torque will exceed the pressure of the coil spring and cause the claws on the second gear to disengage from and ride over the claws on the cylinder so that the second gear idles and does not transmit rotation Even should the drill bit come in contact with a reinforcing bar within the concrete causing sudden excessive torque the...

Страница 20: ...ainst on the reciprocating bearing by the force of the clutch spring during usual operation Rotation Hammering The reciprocating bearing is fitted on the second shaft with some play When the change lever is set to the Rotation Only mark position the eccentric pin of the change lever forces the clutch to move against the pressure of the clutch spring in the direction of the front cap so that it dis...

Страница 21: ...ey slot two pieces Key rail 2 pcs Shape of SDS plus shank bit Ball holder Steel ball Section A A Cylinder Fig 5 The service life of a drill bit with a diameter of 8 mm is approximately 300 holes when drilling into concrete with a depth of 30 mm If reground before the end of its service life the drill bit will continue to provide efficient drilling Figure 6 shows the regrinding angle Regrinding ang...

Страница 22: ...s When using a drill bit with an overall length of 166 mm with dust collector B drilling up to a depth of approximately 72 mm is possible When using dust collector B ensure it is securely fastened to the grip on the main body with socket adapter B Although the socket and socket adapter B rotate together with the tool shank there is a steel ball between the outer race and the socket which serves as...

Страница 23: ...e Drill bit length 166 mm Dust cover Washer Outer race Steel Ball D6 35 Socket Approx 72 mm 2 27 32 Approx 16 mm 5 8 Fig 8 Dust collector B structure Retaining ring for D30 shaft Seal cover Socket adapter B Drill bit length 110 mm ...

Страница 24: ...empting to pull them out first could cause the Armature 59 to be pulled out at the same time causing damage to the Carbon Brushes 71 Remove the Spacer 45 and Spring B 46 from the end of the Second Shaft 47 and turn the Second Shaft 47 so that the Piston 37 moves to its maximum upper position inner cover side The arm of the Reciprocating Bearing 51 can then be disconnected from the Piston Pin 40 an...

Страница 25: ...g 6 and Washer B 7 can be removed from the Cylinder 22 3 Disassembly of the cylinder and the second gear slip mechanism section Remove the Gear Cover 10 from the Inner Cover Ass y 39 and remove the entire tool retainer Remove the Retaining Ring for D20 Shaft 8 with a retaining ring puller Stand the Gear Cover 10 in this state and pull out the Cylinder 22 from the Gear Cover 10 with a hand press Th...

Страница 26: ... surface of stopper ring jig A J 341 with a vise and compress Damper A 31 it moves a little when the Stopper Ring 34 is pressed with punch C J 341 Insert punch C J 341 into the 5 mm diameter hole 2 places in the Cylinder 22 and tap the outside of the Stopper Ring 34 until the Stopper Ring 34 cannot be seen from the 5 mm diameter hole 2 places to remove the Stopper Ring 34 from the groove of the in...

Страница 27: ...7 0 21 and the Change Lever 20 Application of Hitachi Motor Grease No 29 makes it easy to mount the Spacer 45 2 Mounting the Cylinder 22 Mount the Second Hammer 27 O ring 1AP 20 28 Hammer Holder 29 O ring B 30 Damper A 31 new O ring C 32 and Damper Holder 33 in the Cylinder 22 Push the new Stopper Ring 34 into the Cylinder 22 then push in the hole side of stopper ring jig A J 341 on it as shown in...

Страница 28: ...embly of the oil seal Prior to reassembly apply grease to the inner circumference of the Oil Seal 12 However do not apply grease to its outer circumference Also when press fitting the Oil Seal 12 ensure that it is straight and level 6 Reassembly of the internal pressure adjustment mechanism Push Felt Packing A 42 Valve 43 and Felt Packing B 44 in the Inner Cover Ass y 39 as far as they will go in ...

Страница 29: ...52 Piston 37 7 Mounting the piston Mount the Piston 37 as shown in Fig 16 9 3 Tightening Torque Tapping Screws D4 61 79 2 0 0 5 N m 20 5 kgf cm 17 4 4 3 in lbs Tapping Screw W Flange D5 x 35 9 2 9 0 5 N m 30 5 kgf cm 26 0 4 3 in lbs Striker 35 Inner Cover Ass y 39 ...

Страница 30: ... 27 9 4 Wiring Diagrams 1 Products with noise suppressor Fig 17 2 Products without noise suppressor Fig 18 ...

Страница 31: ... 28 Fig 19 Choke Coil A Blue 69 9 5 Internal Wire Arrangement and Wiring Work A Internal wire arrangement 1 Product with noise suppressor 75 Choke Coil A Brown 66 ...

Страница 32: ... 29 Fig 20 2 Product without noise suppressor ...

Страница 33: ... coming from the stator into the terminal M1 and the lead wire red into the terminal M2 Insert each lead wire white coming from the noise suppressor into the terminal C1 and C2 After the insertion pull each lead wire slightly to check the lead wires do not come off To disconnect the lead wires insert a small flat blade screwdriver into the windows near the terminals and pull out the lead wires Fig...

Страница 34: ...h Cord Armature O ring P 22 Ball Bearing 608DD Ball Bearing 608VV Inner Cover Ass y Spring B Second Shaft Clutch Spring Clutch Reciprocating Bearing First Gear Ball Bearing 626VV General Assembly Housing Stator Second Hammer O ring 1AP 20 Hammer Holder O ring B Damper A O ring C Damper Holder Cylinder Second Gear Spring A Front Cap Grip Ball Holder Holder Spring Steel Ball D7 0 Gear Cover Oil Seal...

Страница 35: ... Hitachi Power Tools 66 72 42 43 44 501 502 503 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 39 40 41 45 46 47 48 49 50 51 52 45 53 54 55 56 57 58 59 60 61 62 58 63 64 65 67 68 69 70 71 73 74 72 75 77 78 79 83 81 82 76 80 ...

Страница 36: ...EVER 1 21 959 156 STEEL BALL D7 0 10 PCS 1 22 322 814 CYLINDER 1 23 301 677 SECOND GEAR 1 24 301 678 SPRING A 1 25 301 679 WASHER A 1 26 948 310 RETAINING RING FOR D30 SHAFT 1 27 324 525 SECOND HAMMER 1 28 944 486 O RING 1AP 20 1 29 324 523 HAMMER HOLDER 1 30 322 802 O RING B 1 31 322 805 DAMPER A 1 32 322 808 O RING C 1 33 324 524 DAMPER HOLDER 1 34 322 807 STOPPER RING 1 35 324 535 STRIKER 1 36 ...

Страница 37: ...KG KUW GBR 110V USA CAN IND 69 324 552 CHOKE COIL A BLUE 1 FOR TPE GBR 110V 70 324 538 INTERNAL WIRE A BLUE 1 FOR THA INA SYR SIN HKG KUW USA CAN IND 71 999 041 CARBON BRUSH 1 PAIR 1 72 955 203 BRUSH HOLDER 2 73 324 537 INTERNAL WIRE A BROWN 1 FOR THA INA SYR SIN HKG KUW USA CAN IND 74 999 072 CARBON BRUSH AUTO STOP TYPE 1 PAIR 1 75 930 039 NOISE SUPPRESSOR 1 FOR TPE NZL AUS GBR SAF EUROPE FIN NOR...

Страница 38: ...E NO DESCRIPTION REMARKS NO USED PARTS 5 05 DH 24PB3 83 500 456Z CORD 1 CORD ARMOR D8 8 FOR CHN 83 500 465Z CORD 1 CORD ARMOR D8 8 FOR GBR 110V 83 500 446Z CORD 1 CORD ARMOR D8 8 FOR GBR 230V 83 500 475Z CORD 1 CORD ARMOR D8 8 FOR KOR ...

Страница 39: ... FLAT HD SCREW A LEFT HAND M6X25 1 618 321 813 DRILL CHUCK 13VLD D 1 619 971 511Z DRIVER BIT A NO 2 25L 1 620 971 512Z DRIVER BIT A NO 3 25L 1 621 944 477 COTTER 1 622 982 684 CENTER PIN A 109L FOR CORE BIT D32 38 1 623 982 685 CENTER PIN B 104L FOR CORE BIT D45 90 1 624 982 672 CORE BIT A 25MM 1 625 982 673 CORE BIT A 29MM 1 626 982 674 CORE BIT A 32MM 1 INCLUD 627 627 982 686 GUIDE PLATE FOR COR...

Страница 40: ... 975 ANCHOR SETTING ADAPTER A SDS W5 16X260L 1 661 303 621 ANCHOR SETTING ADAPTER A SDS W3 8X160L 1 662 302 974 ANCHOR SETTING ADAPTER A SDS W3 8X260L 1 663 302 979 ANCHOR SETTING ADAPTER B SDS W1 4X260L 1 664 302 978 ANCHOR SETTING ADAPTER B SDS W5 16X260L 1 665 303 622 ANCHOR SETTING ADAPTER B SDS W3 8X160L 1 666 302 977 ANCHOR SETTING ADAPTER B SDS W3 8X260L 1 667 303 332 HAMMER DRILL CHUCK SET...

Страница 41: ......

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