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Overall length (mm)

6. COMPARISONS WITH SIMILAR PRODUCTS

6-1. Specification Comparisons

Maker

Model

Item

Capacity

Drill bit dia. (mm)

Input (W)

No-load (/min.)

Full-load blow (/min.)

Dimensions

Full-load vibration level (dB)

Insulation structure

Height (mm)

*Weight excludes cord and side handle.

Core bit dia. (mm)

Full-load (/min.)

Rotation
speed

Weight listed on the catalog (kg)*

Actual weight (kg)*

No-load sound pressure level

(dB/A)

415 (16-11/32")

255 (10-1/32")

102 (4-1/32")

425 (16-3/4")

252 (9-15/16")

103 (4-1/16")

480 (18-29/32")

260 (10-1/4")

115 (4-17/32")

478 (18-13/16")

293 (11-9/16")

120 (4-3/4")

10.3 (22.7 lbs.)

8 (17.6 lbs.)

6.9 (15.2 lbs.)

8 (17.6 lbs.)

9.8 (21.6 lbs.)

8 (17.6 lbs.)

6.5 (14.3 lbs.)

8 (17.6 lbs.)

2500

3100

2800

2750

Double insulation

Single insulation

Double insulation

121

119

118

1400

1140

950

1150

45 (1-3/4")

120 (4-3/4")

40 (1-9/16")

120 (4-3/4")

40 (1-9/16")

105 (4-1/8")

38 (1-1/2")

120 (4-3/4")

300

250

370

290

360

300

360

260

HITACHI

DH 45SA

HITACHI

DH 42

HITACHI

DH 40SA

Width (mm)

Содержание DH 45SA

Страница 1: ...POWER TOOLS TECHNICAL DATA AND SERVICE MANUAL HAMMER DRILL DH 45SA SPECIFICATIONS AND PARTS ARE SUBJECT TO CHANGE FOR IMPROVEMENT LIST No E457 Apr 2000 D MODELS DH 45SA ...

Страница 2: ...nstructions 13 8 REFERENCES 13 8 1 Grease Replacement Procedures 13 8 2 O Ring Replacement 13 8 3 Structure of the DH 45SA Hammer Drill 14 Service Section 9 PRECAUTIONS IN DISASSEMBLY AND REASSEMBLY 19 9 1 Disassembly 19 9 2 Reassembly 20 9 3 Screw Lock TB 1401 22 9 4 Tightening Torque 22 9 5 Wiring Diagrams 23 9 6 Insulation Tests 23 9 7 No load Current Values 23 10 STANDARD REPAIR TIME UNIT SCHE...

Страница 3: ...Model DH 45SA was developed as an advanced version of Model DH 40SA YB The key features are as follows High performance fast drilling speed 80 faster at maximum than DH 40SA YB Less fatigue comfortable operation using the soft grip shock absorbing handle Other features grease packed lubrication ergonomic exterior design 3 APPLICATIONS Concrete drilling Drilling anchor bolt holes Crushing chiseling...

Страница 4: ...sy to use rotary type bit retainer for quick bit changes Fig 1 Vibration isolating handle provided with vibration isolating rubbers reduces operator fatigue Faster drilling speed and higher efficiency thanks to the powerful motor and greater striking energy About 1 4 times faster than the Model DH 42 About 1 8 times faster than the Models DH 40SA YB ...

Страница 5: ...iciently absorb the vibration transmitted from the tool main body to minimize transmission of vibration to the operator s arms 4 1 3 Soft touch handle and side handle The double layer molded handle and side handle consist of a plastic resin base covered with a soft plastic layer to ensure a soft touch and easy grip of the handles 4 1 4 Easy to use tool holder The easy to grip tool holder allows th...

Страница 6: ...0 min 250 min Trigger switch D type handle and side handle 10 3 kg 22 7 lbs 15 2 kg 33 4 lbs Corrugated cardboard box Plastic case 1 Side handle 1 Hex bar wrench 5 mm 1 Hex bar wrench 6 mm 1 Hex bar wrench 8 mm 1 Stopper 1 Grease A 1 Dust cap 1 Voltage V Current A Input W 110 115 127 220 230 240 13 4 12 8 11 6 6 6 6 4 6 2 1400 Net weight excludes cord and side handle Rotation speed No load Full lo...

Страница 7: ... 400 15 3 4 Code No 991330 991331 991332 991333 991335 991336 991337 991338 991339 991340 991341 550 21 5 8 Code No 985722 985725 991334 985728 985731 985734 985737 985740 505 19 7 8 2 Drilling work for anchor holes rotation striking 1 Drill bit taper shank 2 Taper shank adapter 3 Cotter 3 Cotter Outer diameter mm Code No 11 7 16 944460 12 3 15 32 944461 12 7 1 2 993038 14 3 9 16 944462 14 5 9 16 ...

Страница 8: ...1 1 4 1 3 8 1 1 2 1 25 32 2 1 8 2 17 32 3 1 8 3 11 16 4 1 8 4 3 4 Guide plate is not used with core bits with outer diameter of 25 mm 31 32 and 29 mm 1 5 32 3 Core bit Outer diameter in 25 mm 31 32 29 mm 1 5 32 32 mm 1 1 4 35 mm 1 3 8 38 mm 1 1 2 45 mm 1 25 32 Code No 955994 955995 955996 955998 956000 955154 4 Core bit shank 1 Center pin Code No 956009 for core bits with outer diameter of 32 35 m...

Страница 9: ...re bit with guide plate Core bit shank Code No Code No Outer diameter in Code No 4 Anchor work for self drilling anchors rotation striking 65 mm 2 9 16 80 mm 3 5 32 90 mm 3 1 2 100 mm 3 15 16 105 mm 4 1 8 992814 992815 992816 992817 992818 903901 992819 W 1 4 No 20 W 5 16 No 25 W 3 8 No 30 W 1 2 No 40 W 5 8 No 50 1 Anchor size Code No 985756 985757 985758 985759 985760 W 3 8 No 30 W 1 2 No 40 W 5 ...

Страница 10: ...ng and edging work striking 1 Cold chisel Overall length 280 mm 11 450 mm 17 3 4 280 mm 450 mm Overall length Code No 981925 981926 8 Cutting and stripping work asphalt cutting etc striking 1 Cutter 9 Digging work substitute pick ax striking 280 mm 11 Overall length Code No 981924 45 mm 2 Width 1 Scoop 405 mm 16 Overall length Code No 956126 ...

Страница 11: ... Shank 250 mm 10 Overall length Code No 955186 Code No 955181 O D 140 mm 5 33 64 12 Syringe for chip removal Code No 944575 13 Impact drill grease Code No 980927 500 g Can Code No 308471 70 g Tube Code No 981840 30 g Tube Note Code numbers listed above are subject to change without notice Please refer to periodic Technical News Bulletins for updates ...

Страница 12: ... load sound pressure level dB A 415 16 11 32 255 10 1 32 102 4 1 32 425 16 3 4 252 9 15 16 103 4 1 16 480 18 29 32 260 10 1 4 115 4 17 32 478 18 13 16 293 11 9 16 120 4 3 4 10 3 22 7 lbs 8 17 6 lbs 6 9 15 2 lbs 8 17 6 lbs 9 8 21 6 lbs 8 17 6 lbs 6 5 14 3 lbs 8 17 6 lbs 2500 3100 2800 2750 Double insulation Single insulation Double insulation Double insulation 121 119 118 118 87 88 87 88 1400 1140 ...

Страница 13: ...ill bit which is beyond the tool s rated capacity Use the above data as a reference for comparison purposes only 16 22 25 28 32 38 40 HITACHI HITACHI HITACHI C HITACHI HITACHI HITACHI C HITACHI HITACHI HITACHI C HITACHI HITACHI HITACHI C HITACHI HITACHI HITACHI C HITACHI HITACHI HITACHI C HITACHI HITACHI HITACHI C DH 45SA DH 42 DH 40SA C DH 45SA DH 42 DH 40SA C DH 45SA DH 42 DH 40SA C DH 45SA DH 4...

Страница 14: ... size Bull point of 280 mm Fig 4 6 3 Chiseling Performance Chiseling performance varies considerably depending on the work conditions Use these factory test results shown in Fig 4 as a reference for comparison purposes only DH 42 DH 45SA DH 40SA C 160 100 70 70 50 100 150 0 Voltage 230 V Chiseling quantity kg 30 min Chiseling quantity in 30 min ...

Страница 15: ... sales promotion 8 REFERENCES 8 1 Grease Replacement Procedures The electro pneumatic hammering section and gear change section each use different kinds of grease It is not necessary to replenish the grease unless the tool is disassembled for repair or there is grease leakage due to a damaged seal A special grease is used for the hammering section To change the grease in the hammering section cyli...

Страница 16: ...ear The latter is keyed to the cylinder to rotate together Cylinder rotation is transmitted through the spline connection to the second hammer Rotation is then transmitted to the drill bit which is fitted into the hexagonal hole of the second hammer Hammering action Armature rotation is transmitted to the crank and the connecting rod to reciprocally move the piston within the cylinder Air pressure...

Страница 17: ... mechanism The slip mechanism structure is described below with reference to Fig 7 The bevel pinion and the gear holder are coupled together by the key and press fitting Spring C and needle pins are housed in elongated grooves of the gear holder The needle pin is pressed against the inner face of the second gear by spring C to allow idle rotation of the second gear relative to the gear holder When...

Страница 18: ...l from the tool body When fitting the attachment tool turn the grip fully in the A direction insert the tool shank deeply until it hits against the hole end Then turning the grip fully in B direction causes the attachment tool to be securely held in position In contrast to the previous knob retaining structure the DH 45SA uses three saddle keys locked by turning the grip which are able to securely...

Страница 19: ... the switch terminal and cord Wiring connection is completed when the housing section the handle and handle cover section are all assembled and then fastened together with screws With such a wiring structure assembling and disassembling procedures associated with wiring connection have been largely simplified over previous models Housing Cord clip Vinyl tube Plug A ass y Cord Side cover ass y Hand...

Страница 20: ...soft touch handle and side handle for easier handling of the tool Fluid tight dust proof structure The crank case and cylinder case are tightly sealed with three O rings an oil seal and a rubber seal as indicated in Fig 10 This prevents grease from leaking from inside as well as dust particles from getting inside the tool The tool holder is also protected from dust with a rubber front cap and a du...

Страница 21: ... with a bearing puller Remove the Feather Key 5 x 5 x 15 31 Remove the Slip Clutch Ass y 30 by hammering the end surface of the Crank Case 37 from the Gear Cover 52 side with a plastic hammer Remove the two Nylock Hex Socket Hd Bolts M5 x 16 40 from the Bearing Cover 45 and pull out the Crank Shaft 42 from the gear cover side Fig 11 The slip clutch ass y can be removed in the following procedure F...

Страница 22: ...amage the Rubber Seal 36 of the crank case O Rings FPM 710 68 in the piston and the striker Oil Seal FPM 707 77 in the Gear Cover 52 O Ring D 62 in the cylinder case O Ring 17 in the second hammer and the O Ring 1AS 60 16 in the Front Cover 14 3 Slip clutch ass y Press fit the Ball Bearing 6202DDCMPS2L 21 to the Bevel Pinion 19 and insert the Washer 22 and then Washer A 23 to the bevel pinion Afte...

Страница 23: ...aged with the claws of the saddle key holder and the tool holder is in a tool secured status Hold the grip securely to prevent the grip from moving upward Mount the Damper Ring 4 and then Front Washer A 3 to the front cover Mount the Retaining Ring D35 2 to the front cover and then mount the Front Cap 1 to Front Washer A 3 to complete reassembly Check that the tool holder turns smoothly and the ma...

Страница 24: ...ads during reassembly as the bolts loosened with vibrations may cause damage to the tool body Fig 15 9 4 Tightening Torque M5 hexagon socket head bolt 7 9 N m 80 kgf cm 69 4 in lbs D4 tapping screw 2 0 0 5 N m 20 5 kgf cm 17 4 4 3 in lbs D5 tapping screw 2 9 0 5 N m 30 5 kgf cm 26 0 4 3 in lbs Side cover mounting bolt 3 9 0 5 N m 40 5 kgf cm 34 7 4 3 in lbs Nylock bolt W Flange M5 x 16 Crank case ...

Страница 25: ...h DC 500 V Megohm Tester Dielectric strength AC 4 000 V 1 minute with no abnormalities 220 V 240 V AC 2 500 V 1 minute with no abnormalities 110 V 127 V 9 7 No load Current Values After no load operation for 30 minutes the no load current values should be as follows Plug Noise suppressor Plug Pillar terminal Stator Switch Armature For products with noise suppressor 240 V 230 V 220 V 127 V 5 9 A 3 ...

Страница 26: ...st Washer Oil Seal Sleeve B Handle Cover Switch C Cord Cord Armor 60 min 50 Crank Shaft Feather Key 5x5x15 Ball Bearing 6205 Bearing Cover First Gear Second Pinion Housing Ass y Stator Ass y Seal Packing Gear Cover Needle Bearing Connecting Rod Ass y Needle Bearing Piston Piston Pin Striker O Ring Ball Bearing 6202 Washer A Gear Holder Spring C Needle Pin Second Gear Spacer Ball Bearing 629VV Cran...

Страница 27: ... 25 Assembly Diagram for DH 45SA ...

Страница 28: ...E PIN D6X6 8 27 318 553 SECOND GEAR 1 28 318 556 SPACER 1 29 629 VVM BALL BEARING 629VVC2PS2L 1 30 318 550 SLIP CLUTCH ASS Y 1 INCLUD 19 29 31 945 072 FEATHER KEY 5X5X15 2 32 944 525 BEARING WASHER C 1 33 313 082 NYLOCK BOLT W FLANGE M5X16 6 34 991 711 DISTANCE PIECE B 4 35 318 584 CRANK CASE COVER ASS Y 1 INCLUD 34 36 313 084 RUBBER SEAL 1 37 318 543 CRANK CASE 1 38 980 750 GUIDE PLATE 2 39 980 7...

Страница 29: ...LE BOLT 1 76 971 786 STOPPER ROD 1 77 318 596 OIL SEAL FPM 707 1 78 620 3VV BALL BEARING 6203VVCMPS2L 1 79 318 597 SLEEVE B 1 80 318 594 DUST WASHER 1 81 318 918 FAN 1 82 360 526C ARMATURE ASS Y 110V 115V 1 INCLUD 81 82 360 526D ARMATURE ASS Y 127V 1 INCLUD 81 82 360 526E ARMATURE ASS Y 220V 230V 1 INCLUD 81 82 360 526F ARMATURE ASS Y 240V 1 INCLUD 81 83 318 633 FAN GUIDE 1 84 953 121 HEX HD TAPPI...

Страница 30: ... TAPPING SCREW W FLANGE D4X16 2 114 500 390Z CORD 1 CORD ARMOR D10 7 114 500 394Z CORD 1 CORD ARMOR D10 7 FOR SYR 114 500 454Z CORD 1 CORD ARMOR D10 7 FOR SAF 114 500 408Z CORD 1 CORD ARMOR D8 2 FOR AUS 114 500 460Z CORD 1 CORD ARMOR D10 7 FOR GBR 110V 114 500 446Z CORD 1 CORD ARMOR D10 7 FOR GBR 230V 114 500 391Z CORD 1 CORD ARMOR D10 7 FOR SUI 115 313 142 PLUG A 1 FOR AUS SAF EUROPE 115 313 092 ...

Страница 31: ...622 985 734 DRILL BIT D28 0X505 HEX SHANK TYPE 1 623 991 337 DRILL BIT D28 0X550 HEX SHANK TYPE 1 624 991 338 DRILL BIT D30 0X550 HEX SHANK TYPE 1 625 985 736 DRILL BIT D32 0X280 HEX SHANK TYPE 1 626 985 735 DRILL BIT D32 0X400 HEX SHANK TYPE 1 627 985 737 DRILL BIT D32 0X505 HEX SHANK TYPE 1 628 991 339 DRILL BIT D32 0X550 HEX SHANK TYPE 1 629 991 340 DRILL BIT D35 0X550 HEX SHANK TYPE 1 630 985 ...

Страница 32: ...673 992 814 CORE BIT 65MM 1 674 992 815 CORE BIT 80MM 1 675 992 816 CORE BIT 90MM 1 676 992 817 CORE BIT 100MM 1 677 992 818 CORE BIT 105MM 1 678 992 819 CORE BIT SHANK C 1 679 903 901 CENTER PIN C 1 680 985 756 ANCHOR ADAPTER NO 20 W1 4 FOR ROTATION 1 681 985 757 ANCHOR ADAPTER NO 25 W5 16 FOR ROTATION 1 682 985 758 ANCHOR ADAPTER NO 30 W3 8 FOR ROTATION 1 683 985 759 ANCHOR ADAPTER NO 40 W1 2 FO...

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