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10. STANDARD REPAIR TIME (UNIT) SCHEDULES

MODEL

20

40

60

80

Fixed

Variable

H 90SE

Work Flow

Cord

Fixed Cost

Switch

Front Cover

Lever

0 min.

Cord

10 min.

Others

20 min.

Hammer

Holder

O-Ring x 4

Damper

Damper Plate

Stator Ass'y

Gear Cover

120 min.

100

Counter Gear

Ball Bearing

(6201) x 2

Ball Bearing

(6204)

Switch

General Assembly

Armature Ass'y

Ball Bearing

(6301)

Ball Bearing

(6303)

Housing

Inner Cover

Ball Bearing

(6305)

Crank Shaft

Final Gear

Front Cover

Lever

Cylinder Case

Connecting

Rod

Piston

Needle

Bearing

Piston Pin

Striker

O-Ring x 2

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Содержание H90SE

Страница 1: ...POWER TOOLS TECHNICAL DATA AND SERVICE MANUAL HAMMER H 90SE SPECIFICATIONS AND PARTS ARE SUBJECT TO CHANGE FOR IMPROVEMENT LIST No E456 Apr 2000 H MODEL H 90SE ...

Страница 2: ...2 Caution Plate 9 7 3 Grease Replacement 10 7 4 O Ring Replacement 10 8 REFERENCE INFORMATION 11 8 1 Air Damper 11 8 2 Sealed and Dustproof Construction 11 8 3 Vibration Absorbing Construction 12 8 4 Tool Retainer 14 9 REPAIR GUIDE 15 9 1 Precautions and Suggestions for Disassembly and Reassembly of the Main Body 15 10 STANDARD REPAIR TIME UNIT SCHEDULES 23 Appendix Assembly Diagram for H 90SE 24 ...

Страница 3: ...hipping and demolishing capabilities are equivalent to the Model H 90SC 3 APPLICATIONS Demolishing of concrete and similar materials Groove and channel digging in concrete Groove and channel digging in asphalt and gravel roads Tamping compacting of asphalt and graveled roads Cutting of asphalt Typical Applications Construction work piping wiring work water supply drain work etc 4 SELLING POINTS Ma...

Страница 4: ... tool retainer in the following two methods Collar type Air braker Collar and groove type Groove type Fig 1 Maker Model Ratio of demolished weight HITACHI H 90SE 100 HITACHI H 90SC 100 HITACHI H 85 85 C 70 B 85 Highest demolition power in its class Short overall length design for more comfortable hammering work Tool retainer accepts 3 types of 28 5 mm 1 1 8 hex shank hammer accessories Internal do...

Страница 5: ...ed shock absorbing handle equipped with Involute Neidhart spring method The involute type Neidhart Spring employed in the vibration absorbing handle significantly reduces operator fatigue and permits comfortable operation for extended periods of time Vibration absorbing handle Provided Provided Not provided Provided Provided HITACHI HITACHI HITACHI H 90SE H 90SC H 85 C B ...

Страница 6: ...hase series commutator motor Double insulation Materials Aluminum alloy die casting Glass fiber reinforced plastic resin Paint Hammer net silver green and black Trigger switch T shaped handle 13 9 A 110 V 13 3 A 115 V 6 6 A 230 V 6 4 A 240 V 1 450 W 1 100 min 850 min Product 32 0 kg 70 5 lbs excluding cord Packed 36 0 kg 79 4 lbs Corrugated cardboard box Hex bar wrench for M12 1 Hex bar wrench for...

Страница 7: ...ing and chiseling work 1 Cold chisel 3 Cutting and stripping work asphalt cutting etc 1 Cutter Width 75 mm 3 Overall length 520 mm 20 15 32 Code No 985232 Overall length 520 mm 20 15 32 Code No 985231 Overall length 410 mm 16 9 64 520 mm 20 15 32 Code No 996372 985230 ...

Страница 8: ...bers listed above are subject to change Please refer to periodic Technical News Bulletins 4 Digging substitute pick ax 1 Scoop Overall length 546 mm 21 1 2 Code No 985233 5 Tamping work 1 Rammer 2 Shank Code No 305880 200 mm in dia Overall length 395 mm 15 35 64 Code No 308092 ...

Страница 9: ...E 1 450 850 859 33 13 16 634 24 31 32 728 28 21 32 55 0 40 6 Double insulation Grease Provided 88 5 32 70 5 Ibs H 90SC 1 450 850 842 33 19 128 634 24 31 32 711 28 55 0 40 6 Double insulation Grease Provided 88 5 32 70 5 Ibs H 85 1 330 950 882 34 23 32 642 25 9 32 51 0 37 6 Single insulation Oil Not provided 86 0 33 72 8 Ibs 1 700 1 000 818 33 13 64 588 23 5 32 55 3 40 8 Double insulation Grease Pr...

Страница 10: ... and are for reference only The demolished amount may vary in accordance with operating conditions operator skill etc Fig 4 Demolished weight for 30 min kg At rated voltage 200 250 300 350 400 Demolished amount kg 30 min 349 768 lbs 349 768 lbs 297 653 lbs 244 537 lbs 297 653 lbs B C H 85 H 90SC H 90SE ...

Страница 11: ...he use of electric power tools and specific precautions and suggestions for the use of the Electric 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 the Handling Instructions to be able to offer appropriate guidance to the customer during sales promotion 7 2 Caution Plate The M...

Страница 12: ... the speed change gear section It is not necessary to replenish the grease between 6 month approx change intervals unless the tool is disassembled or there is grease leakage due to a damage or worn seal 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 100 g 3 3 oz Never use the hammering section special grease in the speed chang...

Страница 13: ...terials can be accomplished with ease and efficiency Fig 5 8 2 Sealed and Dustproof Construction The cylinder case section and the housing crank shaft side are sealed by six 6 O rings and the bearing portion of the crank shaft is sealed by an oil seal These seals serve to prevent leakage of the grease as well as to prevent dust and dirt from entering the mechanism Accessory tool O ring O ring A Pi...

Страница 14: ...ing shaped appendages When the operator pushes down on the handles each holder A rotates bending the handle dampers and reducing vibration Also the angle of rotation of the handles is controlled by stoppers Through adoption of this type of vibration absorbing handle construction the Model H 90SE causes much less operator fatigue and can be comfortably operated for significantly longer periods than...

Страница 15: ...direction Vibration level of handles in Z direction Z Z Z Note For improved operability in chipping and breaking operations 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 and 10 kg The customer s...

Страница 16: ...Fig 9 Put the retainer back in position to fix the tool shank Fig 10 2 Mounting standard hex shank tool and retaining groove tool without collar Lower the retainer in B direction and insert the tool shank into the hexagonal hole of the front cover as far as it will go facing the recessed portion of the tool shank to the retainer Fig 11 Turn the retainer in C direction to fix the tool shank Fig 12 ...

Страница 17: ...e the Holder A 53 and Handle Dampers 54 4 pcs from one side The Handle Shaft 51 can then be extracted from the Housing Ass y 85 3 Remove the four Seal Lock Hex Socket Hd Bolts M10 x 60 58 and two Seal Lock Hex Socket Hd Bolts M10 x 55 66 and take off the Gear Cover Ass y 59 At the same time also remove the First Gear 68 and Second Gear 69 Next by inserting a flat blade screwdriver or similar tool ...

Страница 18: ...he Ball Bearing 6203DDCM 73 Final Gear 64 Push Tubular jig Distance Ring A 63 Inner Cover 76 Crank Shaft 84 Disassembly of the Front Cover 7 section Secure the Cylinder Case 15 in a vise and heat the Cylinder Case mounting portion of the Front Cover 7 to a temperature of approx 80 C 176 F with an appropriate heating device Then remove the six Nylock High Tension Bolts M12 x 40 4 The Front Cover 7 ...

Страница 19: ...9 Disassembly of the Switch 43 and related parts Pry off the Retaining Ring E Type 27 with a small flat blade screwdriver pull out the Pin 25 and remove the Switch Lever 26 Then remove the two Seal Lock Hex Socket Hd Bolts M6 x 30 28 on the Handle B side and the two Tapping Screws D4 x 20 50 and remove Handle B 49 Disassembly of the Retainer 1 section Remove the two Roll Pins D6 x 55 2 from the 6 ...

Страница 20: ...ally press fit the Ball Bearing 6204VVCM 62 and Distance Ring A 63 onto the Crank Shaft 84 Reassembly of the Armature Ass y 99 Press fit the Ball Bearing 6203DDCM 73 into the Inner Cover 76 cover it with Bearing Cover A 72 and secure the assembly with the three Seal Lock Hex Socket Hd Bolts M5 x 12 71 Reassembly of the Striker 19 Push the Striker 19 into the inside of the Piston 20 until a hissing...

Страница 21: ...etainer Damper 6 of the Front Cover 7 Damper B 5 and Lever Pin 3 Mount the Damper B 5 and the two Retainer Dampers 6 to the Front Cover 7 and then mount the Retainer 1 Insert the Lever Pin 3 into the 17 5 mm dia hole of the Retainer 1 facing the recessed portion of the Lever Pin 3 to the hexagonal hole of the Front Cover 7 At this time align the 6 5 mm dia hole of the Retainer 1 with the 7 mm dia ...

Страница 22: ...or similar cleaning solvents 9 1 4 Tightening torque 1 M4 hexagon socket hd bolts 4 41 N m 45 kgf cm 39 1 in Ibs 2 M5 hexagon socket hd bolts 7 84 N m 80 kgf cm 69 5 in Ibs 3 M6 hexagon socket hd bolts 9 80 N m 100 kgf cm 86 9 in Ibs 4 M8 hexagon socket hd bolts 19 6 N m 200 kgf cm 173 8 in Ibs 5 M10 hexagon socket hd bolts 29 4 N m 300 kgf cm 260 in Ibs 6 M12 hexagon socket hd bolts 49 0 N m 500 ...

Страница 23: ...Tube Black Tube Plug White Pillar terminal Stator Armature Schematic diagram Fig 21 Fig 22 Handle A 29 Support 45 Cord Armor 31 Cord 30 Noise Suppressor 32 Handle Holder B 46 Housing Ass y 85 Internal Wire Holder 95 Tail Cover 96 Vinyl Tube A 38 Switch 43 Switch Lever 26 ...

Страница 24: ...y ensure it is properly installed between Tail Cover 96 and Housing Ass y 85 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 abnormalitie...

Страница 25: ...Hammer Holder O Ring x 4 Damper Damper Plate Stator Ass y Gear Cover 120 min 100 Counter Gear Ball Bearing 6201 x 2 Ball Bearing 6204 Switch General Assembly Armature Ass y Ball Bearing 6301 Ball Bearing 6303 Housing Inner Cover Ball Bearing 6305 Crank Shaft Final Gear Front Cover Lever Cylinder Case Connecting Rod Piston Needle Bearing Piston Pin Striker O Ring x 2 ...

Страница 26: ... 24 Assembly Diagram for H 90SE ...

Страница 27: ...E FOR D4 SHAFT 1 28 993 496 SEAL LOCK HEX SOCKET HD BOLT M6X30 8 29 305 636 HANDLE A 1 30 500 390Z CORD 1 CORD ARMOR D10 7 30 500 246Z CORD 1 CORD ARMOR D10 7 FOR GBR 110V 30 500 408Z CORD 1 CORD ARMOR D10 7 FOR AUS 30 500 450Z CORD 1 CORD ARMOR D10 7 FOR GBR 230V 30 500 391Z CORD 1 CORD ARMOR D10 7 FOR SUI 30 500 453Z CORD 1 CORD ARMOR D10 7 FOR USA 31 940 778 CORD ARMOR D10 7 1 31 958 049 CORD A...

Страница 28: ...T HD BOLT M4X20 10 PCS 2 61 305 629 STOPPER 2 62 620 4VV BALL BEARING 6204VVCMPS2L 1 63 305 609 DISTANCE RING A 1 64 305 608 FINAL GEAR 1 65 305 607 DISTANCE RING B 1 66 996 433 SEAL LOCK HEX SOCKET HD BOLT M10X55 2 67 620 1VV BALL BEARING 6201VVCMPS2L 3 68 305 605 FIRST GEAR 1 69 305 604 SECOND GEAR 1 70 930 511 FEATHER KEY 4X4X10 1 71 991 690 SEAL LOCK HEX SOCKET HD BOLT M5X12 3 72 305 600 BEARI...

Страница 29: ... 2 98 996 370 FAN 1 99 360 262U ARMATURE ASS Y 110V 115V 1 INCLUD 67 73 74 98 106 99 360 262E ARMATURE ASS Y 220V 230V 1 INCLUD 98 99 360 262F ARMATURE ASS Y 240V 1 INCLUD 98 100 993 185 HEX HD TAPPING SCREW D5X85 2 101 956 764 SPECIAL WASHER 2 102 305 798 INTERNAL WIRE 1 EXCEPT AUS USA 103 305 610 FAN GUIDE 1 104 945 932 BRUSH TERMINAL 2 105 340 238C STATOR ASS Y 110V 115V 1 INCLUD 104 105 340 23...

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