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HAMMER
Model H 70SA

2000

•

8

•

10

(E1)

LIST NO. E459

ELECTRIC TOOL PARTS LIST

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Содержание H 70SA

Страница 1: ...POWER TOOLS TECHNICAL DATA AND SERVICE MANUAL HAMMER H 70SA SPECIFICATIONS AND PARTS ARE SUBJECT TO CHANGE FOR IMPROVEMENT LIST No E459 Aug 2000 H MODEL H 70SA ...

Страница 2: ...NS IN SALES PROMOTION 7 7 1 Handling Instructions 7 7 2 Caution Plate 7 7 3 Grease Replacement 8 7 4 O Ring Replacement 8 8 REFERENCE INFORMATION 9 8 1 Sealed and Dustproof Construction 9 8 2 Vibration Absorbing Construction 9 8 3 Stop Lever Tool Retainer 12 8 4 Movement of the Stop Lever 12 9 REPAIR GUIDE 13 9 1 Precautions and Suggestions for Disassembly and Reassembly of the Main Body 13 10 STA...

Страница 3: ...milar materials Groove and channel digging in concrete Groove and channel digging in asphalt and gravel roads Tamping compacting of asphalt and graveled roads Cuting of asphalt Typical applications Construction work piping wiring work water supply drain work etc 4 SELLING POINTS Internal double insulation construction with sturdy aluminum frame Dustproof double air vent construction protects again...

Страница 4: ...is minimized by compressing and shearing the two blocks of rubber mounted between the housing and handle B and between the housing and the side handle The T shaped handle improves downward chipping and demolishing performance and reduces operator s fatigue for a long time operation 4 1 3 Dustproof double air vent construction protects against concrete chips A fine mesh is mounted between the tail ...

Страница 5: ...18 0 kg 39 7 lbs excluding cord 24 5 kg 54 0 lbs Corrugated cardboard box Bull point 410 mm 16 1 8 1 Hex bar wrench for M8 1 Hex bar wrench for M4 1 Item Product Packed 4 1 4 More compact and lightweight than 90 class hammers T shaped handle Maker Model HITACHI H 70SA HITACHI H 90SC HITACHI H 90SE BOSCH USH 27 MAKITA HM 1800 Weight 18 kg 39 7 lbs 32 kg 70 5 lbs 32 kg 70 5 lbs 29 kg 63 9 lbs 29 kg ...

Страница 6: ...ing etc 1 Cutter 3 Digging work substitute pick ax 1 Scoop 4 Tamping work Code No 319298 Overall length 380 mm 15 Overall length 410 mm 16 1 8 Width 75 mm 2 15 16 Code No 944964 Code No 944966 Overall length 250 mm 10 Code No 944965 Diameter 200 mm 7 7 8 1 Rammer 2 Shank Overall length 410 mm 16 1 8 Code No 944962 ...

Страница 7: ... numbers listed above are subject to change Please refer to periodic Technical News Bulletins 5 Grease for impact drill 500 g 1 1 lbs Can 30 g 1 oz Tube 70 g 2 5 oz Tube Code No 981840 Code No 308471 Code No 980927 ...

Страница 8: ...9 0 16 0 35 3 Ibs Double insulation 101 9 17 0 37 5 Ibs 613 24 1 8 W min 1 mm mm mm HITACHI A B C C H 70SA 1 240 1 400 625 24 5 8 554 21 13 16 237 9 5 16 42 0 H 65SB 1 240 1 400 726 28 19 32 120 4 23 32 235 9 1 4 42 0 1 240 1 200 46 8 kg dB A dB A m s2 J 520 20 15 32 Lubricating method No load noise level Vibration absorbing handle Full load noise level Vibration level Weight without cord 93 5 20 ...

Страница 9: ... on the Caution Plate attached to each tool 7 1 Handling Instructions Although every effort is made in each step of design manufacture and inspection to provide protection against safety hazards the dangers inherent in the use of any electric tool cannot be completely eliminated Accordingly general precautions and suggestions for the use of electric power tools and specific precautions and suggest...

Страница 10: ... housing crank shaft side Do not exceed the designated amounts of grease If there is excessive grease it may flow between the striker and piston and cause reduced hammering efficiency and or increased recoil force N P C SEP 3A Part No 930035 is used in the speed change gear section inside the gear cover The proper supply amount is 80 g 2 8 oz Never use the hammering section special grease in the s...

Страница 11: ...ted through holes at both sides of the housing The handle pins are supported by dampers B fitted into the slotted through holes so that they can be moved in the axial direction of the tool Two blocks of rubber handle dampers B are inserted between the housing and the handle holder By pressing the handle portion the handle holder turns and handle damper B is compressed and sheared according to the ...

Страница 12: ... 10 Side handle Handle holder Switch lever Housing Fig 4 Handle holder Handle damper B Damper B Handle damper Handle holder Handle A B Handle pin Slotted through hole Damper B Housing ...

Страница 13: ...perations it is recommended that operating force be limited to the dead weight of the tool rather than pressing forcefully down on the handles In keeping with this the handle pressing force at which the vibration absorbing effect is maximum is set for between 5 kg 11 0 lbs and 10 kg 22 0 lbs The customer should be cautioned to avoid pressing fully down on the handles during operation Z 126 0 125 0...

Страница 14: ...the front cover 8 4 Movement of the Stop Lever After an extended period of use the operation of the stop lever may become difficult due to incursion of concrete powder or similar materials into its sliding portion In such a case apply oil into the sliding portion between the stop lever and fitting portion of the front cover Hold the tool with its flattened part directed upward Front cover Stop lev...

Страница 15: ...45 62 and disassemble the Gear Cover 33 and Counter Gear 64 Then by inserting a flat blade screwdriver or similar tool into one of the air vents of the Inner Cover 37 and lifting it upwards the Inner Cover 37 Armature Ass y 88 Crank Shaft 42 and related parts can be removed in a single body 4 As illustrated in Fig 6 support the Inner Cover 37 with an appropriate tubular jig and push down on the en...

Страница 16: ...Hex Socket Hd Bolts M8 x 35 22 and separate the Cylinder Case 19 from the Housing Ass y 104 From the Cylinder Case 19 take out the Striker 21 Piston 26 and Connecting Rod Ass y 28 in a single body Holding the Striker 21 firmly in one hand grasp the Connecting Rod Ass y 28 in the other hand and pull it forcefully to separate it from the striker Finally extract the Piston Pin 27 from the Piston 26 a...

Страница 17: ... blade screwdrivers to compress the Lever Spring 5 Finally while keeping the Lever Spring 5 compressed fit a 3 mm or less dia steel rod into the hole of the Spring Case 4 and push out the Needle Roller 3 The Stop Lever 2 Damper B 6 and the Lever Spring 5 can then be taken out Lever Spring 5 Fig 9 Overlap the end surface of the Stop Lever 2 on the flange portion of the Front Cover 7 Stop Lever 2 Ne...

Страница 18: ...aring 6203DDCM 67 into the Inner Cover 37 and fasten Bearing Cover A 66 onto the Inner Cover with the three Seal Lock Hex Socket Hd Bolts M5 x 16 41 Reassembly of the Striker 21 Two possible methods 1 After the Connecting Rod Ass y 28 has been assembled into the Housing Ass y 104 mount the Piston 26 and press it into the Striker 21 2 Mount the Piston 26 onto the Connecting Rod Ass y 28 and push do...

Страница 19: ...ndle Pins 92 into two 17 5 mm dia holes of the Handle Holders 48 Finally tighten two Seal Lock Hex Socket Hd Bolts M8 x 16 31 with two Washers 101 At this time align the notch of the flange portion of the handle pin with the notch of the Handle Holder 48 and then hold the flange portion of the Handle Pin 92 Fig 11 Handle Damper B 2 pcs 49 Handle Holder 2 pcs 48 Damper B 4 pcs 44 Handle Pin 2 pcs 9...

Страница 20: ...ion of the Front Cover 7 and compress the Lever Spring 5 by pressing the Damper B 6 with two slender minus screwdrivers Then align the holes of the Stop Lever 2 and the Spring Case 4 and insert the Needle Roller 3 9 1 3 Screw Locking Agent TB1401 1 Prior to reassembly all M5 M6 hexagon socket hd bolts and machine screws must be coated with screw locking agent TB1401 2 The following parts must be r...

Страница 21: ...ing screw 1 96 N m 20 kgf cm 17 4 in Ibs NOTE If above bolts are tightened more than the designated values it may cause breakage Without fail tighten the bolts and screws according to the above specified values 9 1 5 Internal wiring Wiring diagram of products with noise suppressor 1 96 Fig 14 0 1 96 0 20 0 20 0 0 12 4 0 17 4 1 96 0 0 20 17 4 0 0 4 3 Brown Connector Tube Switch Noise suppressor Con...

Страница 22: ... 20 Handle A 73 Support E 98 Noise Suppressor 96 Schematic diagram of products with noise suppressor Switch Lever 71 Switch A 99 Vinyl Tube 80 Vinyl Tube 91 Handle Holder 48 Cord Armor 74 Cord 69 Fig 15 ...

Страница 23: ...re properly supported by Vinyl Tube 91 9 1 6 Insulation tests On completion of disassembly and repair measure the insulation resistance and dielectric strength Insulation resistance 7 MΩ or more with DC 500 V Megohm Tester Dielectric strength AC 4000 V 1 minute with no abnormalities 220 V 240 V and 110 V for U K products AC 2500 V 1 minute with no abnormalities 110 V 127 V except U K products 9 1 ...

Страница 24: ...B Handle Pin Handle Holder General Assembly Front Cover Stop Lever Ass y O ring C Second Hammer Housing Ass y Stator Ass y Cylinder Case Ball Bearing 6302 Final Gear Crank Shaft Ball Bearing 6205 Inner Cover Armature Ass y Striker Piston Connecting Rod Ass y Needle Bearing Oil Seal A O ring A O ring 1AS 60 Switch A Cord Ball Bearing 6201 Ball Bearing 6203 Counter Gear Ball Bearing 6001 Ball Bearin...

Страница 25: ... 23 HAMMER Model H 70SA 2000 8 10 E1 LIST NO E459 ELECTRIC TOOL PARTS LIST ...

Страница 26: ...9 433 BOLT WASHER M8 10 PCS 4 24 998 414 O RING A 1 25 998 415 OIL SEAL A 1 26 998 413 PISTON 1 27 944 928 PISTON PIN 1 28 998 434 CONNECTING ROD ASS Y 1 INCLUD 29 29 944 921 NEEDLE BEARING NTN 8E NK 18 20 RDO 1 30 956 955 CRANK WASHER 1 31 996 364 SEAL LOCK HEX SOCKET HD BOLT M8X16 3 32 NAME PLATE 1 33 319 360 GEAR COVER 1 34 630 2VV BALL BEARING 6302VVCMPS2L 1 35 944 916 FINAL GEAR 1 36 944 915 ...

Страница 27: ...CORD ARMOR D10 7 FOR SAF 69 500 391Z CORD 1 CORD ARMOR D10 7 FOR SUI 70 992 870 PIN 1 71 992 869 SWITCH LEVER 1 72 968 643 RETAINING RING E TYPE FOR D4 SHAFT 1 73 305 636 HANDLE A 1 74 958 049 CORD ARMOR D8 2 1 74 940 778 CORD ARMOR D10 7 1 75 960 266 CORD CLIP 1 75 981 987Z CORD CLIP 1 FOR SUI 76 982 095 TAPPING SCREW W WASHER D4X20 2 77 980 063 TERMINAL 1 FOR CORD 78 959 141 CONNECTOR 50092 10 P...

Страница 28: ...TS H 70SA ITEM NO CODE NO DESCRIPTION NO USED REMARKS 92 319 366 HANDLE PIN 2 93 930 153 SUPPORT B 1 94 958 308Z PILLAR TERMINAL A 1 FOR FIN 95 938 307 PILLAR TERMINAL 1 EXCEPT FOR NZL SAF 96 994 273 NOISE SUPPRESSOR 1 97 981 974 INTERNAL WIRE 1 97 306 681 INTERNAL WIRE 1 FOR GBR 98 990 082 SUPPORT E 1 99 992 891 SWITCH A 1P SCREW TYPE W O LOCK 1 100 949 423 WASHER M4 10 PCS 1 EXCEPT FOR NZL 101 3...

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