Hitachi DH 24PD2 Скачать руководство пользователя страница 15 | Manualshive

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HITACHI DH 24PD2

HITACHI DH 24PD

B

C

87%

87%

73%

94%

Dust collection efficiency (%)

6-2. Dust Collection Efficiency Comparison

Dust collection efficiency varies considerably depending on the work conditions. Use the factory test

results shown in Fig. 1 for comparison purpose only.

Figure 1 shows a comparison of dust collection efficiency based on the drilling of 50 mm (2") holes into wall

material with a dia. 14.5 mm (9/16") drill bit.

[Test conditions]

Direction

: Drilling into wall

Pushing force

: 98 N (10 kgf)

Test material

: Concrete panel with a compression strength of 2,352 N/cm

2

(240 kgf/cm

2

)

Fig. 1

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Содержание DH 24PD2

Страница 1: ...TECHNICAL DATA AND SERVICE MANUAL ROTARY HAMMER DH 24PD2 SPECIFICATIONS AND PARTS ARE SUBJECT TO CHANGE FOR IMPROVEMENT LIST No E480 May 2004 D MODEL DH 24PD2 Hitachi Power Tools ...

Страница 2: ... 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 HR2430 C BOSCH GAH500DSR B ...

Страница 3: ... 14 7 2 Dust Collecting Equipment 14 8 REFERENCE MATERIAL 15 8 1 Lubrication 15 8 2 Dust Collection Mechanism 15 8 3 Tool Structure 17 8 4 Rotation Only and Rotation Hammering Changeover Mechanism 20 8 5 Rotation Only no hammering 20 8 6 Drill Bits 21 8 7 Chuck Section 22 8 8 Dust Collector B 22 9 PRECAUTIONS IN DISASSEMBLY AND REASSEMBLY 24 9 1 Disassembly 24 9 2 Reassembly 28 9 3 Tightening Torq...

Страница 4: ... top dust collection efficiency 2 Improved resistance to grease leakage 3 One push tool retainer eliminates the need for sliding the grip 4 Non slip double layer molded handle 5 New and powerful design 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 chuc...

Страница 5: ...Compact body One push tool retainer Non slip double layer molded handle Class top dust collection efficiency Improved resistance to grease leakage New and powerful design Push button type forward reverse changeover switch ...

Страница 6: ...uipped with an open type ball bearing In addition the clearance around the bearing is minimized to improve the resistance to grease leakage 4 1 3 One push tool retainer The tool retainer of the current Model DH 24PD needs sliding the grip to mount the bit The one push tool retainer of the Model DH 24PD2 eliminates the need for sliding the grip to mount the bit sliding the grip is required at remov...

Страница 7: ...sing B AC single phase commutator motor Type of motor Model DH 24PD2 13 mm 1 2 32 mm 1 1 4 Voltage V Current A Input W 110 6 8 720 Rotation speed Forward 0 to 1 050 min 1 Reverse 0 to 640 min 1 Type of switch Variable speed control switch and reversing switch Gun type handle of main body and side handle Type of handle Glassfiber reinforced polyimide resin green and black Glassfiber reinforced poly...

Страница 8: ...9 64 Outer dia mm Effective length mm 45 1 25 32 45 1 25 32 2 Adapter for slender shaft SDS plus shank Drill bit slender shaft 90 3 17 32 90 3 17 32 Overall length mm 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 303619 30362...

Страница 9: ...ing adapter SDS plus shank Part name W 1 4 Anchor setting adapter A W 5 16 Anchor setting adapter A W 3 8 Anchor setting adapter A W 3 8 Anchor setting adapter A Code No 302976 302975 303621 302974 Anchor setting bar to permit anchor setting operation with the rotary hammer Overall length 260 260 160 260 Part name W 1 4 Anchor setting adapter B W 5 16 Anchor setting adapter B W 3 8 Anchor setting ...

Страница 10: ... 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 cone type Code No 971799 971800 971801 971802 971803 C Crushing operation rotation hammering Bull point round type only SDS plus shank Code No 303046 12 7 mm 1 2 Chemical anchor adapter SDS plus shank 19 m...

Страница 11: ...f the drill chuck and 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 13VLRB D with chuck wrench Special screw M6 left hand threaded Code No a b c 2 Slotted head minus bit Overall length 50 mm For use with slo...

Страница 12: ...13VLD D drill chuck and chuck adapter D cannot be used for reverse rotation 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 Bit No Chuck adapter D SDS plus shank H Grease for electric impact drill Containing 500 g 1 1 lbs Code No 980927 Containing 30 g 0 07 lbs Cod...

Страница 13: ... 10 Code No 302741 J Paper dust bag Code No 971787 Code No 306885 I Dust cup dust collector B Dust cup Dust collector B ass y ...

Страница 14: ...load vibration level Full load noise level dB A 2 modes Changeover modes One push type 3 modes 2 modes HITACHI DH 24PD 24 15 16 620 0 1 050 0 4 400 2 6 5 7 lbs 13 1 2 375 14 3 4 185 7 9 32 32 1 1 4 88 3 15 32 90 Lever type 118 Slide type B 24 15 16 750 0 980 0 4 550 3 3 7 3 lbs 13 1 2 415 16 1 2 225 8 7 8 32 1 1 4 131 5 11 16 One push type 90 118 2 modes C 24 15 16 710 0 1 050 0 4 900 2 6 5 7 lbs ...

Страница 15: ...ing on the work conditions Use the factory test results shown in Fig 1 for comparison purpose only Figure 1 shows a comparison of dust collection efficiency based on the drilling of 50 mm 2 holes into wall material with a dia 14 5 mm 9 16 drill bit Test conditions Direction Drilling into wall Pushing force 98 N 10 kgf Test material Concrete panel with a compression strength of 2 352 N cm2 240 kgf ...

Страница 16: ... C B 6 3 Drilling Speed Comparison Drilling speed varies considerably depending on the work conditions Use the factory test results shown in Fig 2 for comparison purpose only Fig 2 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 ...

Страница 17: ... familiar with the contents of the Handling Instructions to be able to offer appropriate guidance to the customer during sales promotion 7 2 Dust Collecting Equipment 1 Maintenance of dust collection efficiency If the dust bag becomes clogged or excessively filled dust collection efficiency with be reduced The buyer should be instructed to clean the dust bag regularly and for maximum efficiency to...

Страница 18: ...h a dust fan chamber consisting of casing A and casing B located between the gear cover and housing Dust is drawn in from the nozzle of the dust collection adapter ass y by the suction provided by the dust fan mounted inside the dust fan chamber and is deposited in the dust bag The dust shaft on which the dust fan is mounted is connected to the armature shaft by a spline and rotates at the same sp...

Страница 19: ... 16 Washer Rubber cap Stopper Drilling depth Pipe A Stroke Fig 4 Drill bit Side handle Pipe B Spring Nozzle A B O ring Nozzle seal Adapter holder Hose Tail cap Section ...

Страница 20: ... is caused to reciprocate by a connecting rod and crank shaft and the crank shaft and the cylinder axis are at right angle to each other Accordingly the armature shaft and the cylinder axis are at a right angle to each other In the Model DH 24PD2 through adoption of a spiral drive system a mechanism using a reciprocating bearing a more compact design has been achieved by arranging the armature sha...

Страница 21: ...H 24PD2 is different from that of conventional 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 6 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 contin...

Страница 22: ...e tool by the operator Sealed and dustproof construction The gear cover is totally enclosed by oil seals O rings and other devices to prevent leakage of lubricating grease and to keep dust and dirt out of the internal mechanisms The drill bit chuck portion is protected by a rubber front cap to keep out dust and chips which could cause improper fitting of the drill bit and or other faulty operation...

Страница 23: ...n 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 disengages from the claws on the reciprocating bearing and the reciprocating bearing stops rotating on the second shaft When the change lever is returned to the Rotation Hammering mark position the force of the clutch spring presses the clutch bac...

Страница 24: ...ng out Key slot two pieces Key rail 2 pcs Shape of SDS plus shank bit Ball holder Steel ball Section A A Cylinder Fig 7 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 8 shows the regrinding angle Regrin...

Страница 25: ...ete surface inertia may cause dust collector B to become disconnected from the grip Accordingly caution the customer to press dust collector B and drill bit firmly against the concrete surface before turning on the switch to start drilling When dust collector B is used almost no dust and chips are scattered about However since the chips and dust remaining in the collector may scatter after complet...

Страница 26: ... 23 Fig 10 Dust collector B structure ...

Страница 27: ...parts can be separated from the Gear Cover 10 including the Inner Cover 39 Next remove the three Tapping Screws W Flange D4 x 20 Black 90 and the Handle Cover 91 take out the Carbon Brushes 1 Pair 76 together with the Brush Holders 79 hold Casing A 65 and remove the Housing 72 The Armature 67 will either remain in the Housing 72 or come off together with Casing A 65 Then after separating Casing B ...

Страница 28: ...drill bit or a screwdriver Turn the Change Lever 14 135û clockwise from the rotation only mark position pressing the Pushing Button 12 deeply Pry the Change Lever 14 off in this position Remove the Tapping Screw W Flange D5 x 90 9 from the Gear Cover 10 and remove the Gear Cover 10 The Inner Cover 39 and the Housing 72 are loosely fitted together Attempting to pull them out first could cause the A...

Страница 29: ...e 5 Holder Spring 6 Washer B 7 Grip 3 Fig 16 Steel Ball D7 0 21 Grip 3 Fig 15 5 Disassembly of the cylinder and the second gear slip mechanism section Remove the Gear Cover 10 from the Inner Cover 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 wit...

Страница 30: ...mer 27 O ring 1AP 20 28 Hammer Holder 29 O ring B 30 Damper A 31 O ring C 32 and Damper Holder 33 can be removed from the Cylinder 22 Remove the Stopper Ring 34 from the groove of the inside diameter portion of the Cylinder 22 by tapping the Stopper Ring 34 through the 5 mm diameter hole of the Cylinder 22 with a hammer and a punch as shown in Fig 17 At reassembly replace the Stopper Ring 34 with ...

Страница 31: ...of the Clutch 47 groove and the pin portion of the Change Lever 14 Apply Hitachi Motor Grease No 29 to the O ring S 18 15 for the Steel Ball D7 0 21 and the Change Lever 14 Application of Hitachi Motor Grease No 29 makes it easy to mount the Spacer 42 2 When assembling Housing 72 Casing A 65 Casing B 57 and Gear Cover 10 at fitst perform the assembling of dust collection mechanism ass y 55 56 58 5...

Страница 32: ...nd surface of the Second Shaft 44 After press fitting the First Gear 49 on the Second Shaft 44 check that the inner ring of the Reciprocating Bearing 48 turns smoothly 7 Mounting the piston Mount the Piston 37 facing its two 2 mm diameter holes to the Second Shaft 44 as shown in Fig 21 Fig 21 Second Shaft 44 Reciprocating Bearing 48 First Gear 49 Piston 37 2 mm diameter holes 2 pcs Striker 35 Inne...

Страница 33: ...lack Red Brown Noise suppressor 1 Products with noise suppressor Fig 22 Blue Gray White Choke coil Cord Black Red Brown 2 Products without noise suppressor Fig 23 Stator Stator Stator Stator Forward reverse changeover switch Variable speed switch Forward reverse changeover switch ...

Страница 34: ...ray Stator Brown Choke coil Choke Coil Blue 81 Choke Coil Brown 80 Noise Suppressor 84 Red Stator Black Stator 9 5 Internal Wire Arrangement and Wiring Work A Internal wire arrangement 1 Product with noise suppressor White Stator ...

Страница 35: ... 32 Blue CB Fig 25 Gray Stator Brown CB Support B 82 Support B 82 Red Stator Black Stator White Stator 2 Product without noise suppressor ...

Страница 36: ...6 0 2 N m 6 2 kgf cm 5 2 1 7 in lbs Insert the lead wire gray coming from the Stator 70 into the terminal M1 and the lead wire red into the terminal M2 Insert each lead wire white coming from the Noise Suppressor 84 into the terminals C1 and C2 After the insertion pull each lead wire slightly to check that the lead wires do not come off To disconnect the lead wires insert a small flat blade screwd...

Страница 37: ...aring 6001DD Ball Bearing 608VV Inner Cover 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 Ball Bearing 6904DD Sleeve A Casing B O...

Страница 38: ...1 22 23 24 25 26 27 28 29 30 31 32 34 35 36 37 38 52 53 54 56 55 67 93 92 94 95 96 97 100 101 98 99 61 62 63 64 66 65 68 69 70 56 71 72 75 501 78 77 79 76 91 88 86 87 89 90 73 74 80 80 81 83 84 85 44 45 46 47 48 49 50 51 43 42 39 40 41 13 11 14 15 2 3 4 5 6 7 8 9 82 81 82 502 503 58 59 57 60 16 17 18 19 20 33 ...

Страница 39: ...ING RING 37MM 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 27 322 803 SECOND HAMMER 1 28 944 486 O RING 1AP 20 1 29 322 804 HAMMER HOLDER 1 30 322 802 O RING B 1 31 322 805 DAMPER A 1 32 322 808 O RING C 1 33 322 806 DAMPER HOLDER 1 34 322 807 STOPPER RING 1 35 322 801 STRI...

Страница 40: ...832 HOUSING 1 73 NAME PLATE 1 74 322 790 PUSHING BUTTON 1 75 HITACHI LABEL 1 76 999 088 CARBON BRUSH 1 PAIR 2 77 308 536 SPRING 2 78 306 945 TAPPING SCREW D3X10 4 79 322 838 BRUSH HOLDER 2 80 322 827 CHOKE COIL BROWN 1 80 322 828 CHOKE COIL BROWN 1 FOR GBR 110V 81 322 830 CHOKE COIL BLUE 1 81 322 831 CHOKE COIL BLUE 1 FOR GBR 110V 82 322 823 SUPPORT B 2 83 322 825 SWITCH B 1 83 322 820 SWITCH A 1 ...

Страница 41: ... CODE NO DESCRIPTION REMARKS NO USED PARTS 5 04 DH 24PD2 96 303 159 KNOB BOLT M4X25 5 1 97 872 470 O RING S 26 1 98 302 076 HOSE ASS Y 1 INCLUD 99 99 873 095 O RING P 16 1 100 302 386 RAIL 1 101 302 048 DUST BAG ASS Y 1 INCLUD 100 ...

Страница 42: ...09L FOR CORE BIT D32 38 1 613 982 685 CENTER PIN B 104L FOR CORE BIT D45 90 1 614 982 672 CORE BIT A 25MM 1 615 982 673 CORE BIT A 29MM 1 616 982 674 CORE BIT A 32MM 1 INCLUD 617 617 982 686 GUIDE PLATE FOR CORE BIT 32MM 1 618 982 675 CORE BIT A 35MM 1 INCLUD 619 619 982 687 GUIDE PLATE FOR CORE BIT 35MM 1 620 982 676 CORE BIT A 38MM 1 INCLUD 621 621 982 688 GUIDE PLATE FOR CORE BIT 38MM 1 622 982...

Страница 43: ...6X260L 1 650 303 621 ANCHOR SETTING ADAPTER A SDS W3 8X160L 1 651 302 974 ANCHOR SETTING ADAPTER A SDS W3 8X260L 1 652 302 979 ANCHOR SETTING ADAPTER B SDS W1 4X260L 1 653 302 978 ANCHOR SETTING ADAPTER B SDS W5 16X260L 1 654 303 622 ANCHOR SETTING ADAPTER B SDS W3 8X160L 1 655 302 977 ANCHOR SETTING ADAPTER B SDS W3 8X260L 1 656 303 332 HAMMER DRILL CHUCK SET 13MM 1 INCLUD 657 658 657 303 334 CHU...

Страница 44: ......

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