H 65SC - hitachi
Contents
1. E NI 17 10 STANDARD REPAIR TIME UNIT SCHEDULES IE A A ENE 18 Appendix Assembly Diagram for H 65SC eer Tete RE ere rere a ee re a re 19 1 PRODUCT NAME Hitachi Electric Hammer Model H 65SC 2 MARKETING OBJECTIVE The Model H 65SC is a double insulated version of the existing single insulated Model PH 65A It has a recirculating lubricating system Demolishing and chipping power is comparable to that of the PH 65A as is the basic structure The main features of the Model H 65SC is as follows 1 Highest demolition performance in this class 2 Durable Aluminum die cast Housing for longer service life 3 Lower consumption motor design 3 APPLICATIONS e Demolishing of concrete and similar materials e Groove and channel digging in concrete e Groove and channel digging in asphalt and gravel roads e Tamping compacting of asphalt and graveled roads e Cutting of asphalt Typical Applications Constructions work piping wiring work water supply drain work etc 4 SELLING POINTS Maker Model Weight Overall length HITACHI H 65SC 15 kg 33 1 Ibs 647 mm 25 15 32 HITACHI PH 65A 15 kg 33 1 Ibs 642 mm 25 9 32 C 1 14 kg 30 9 lbs 675 mm 26 37 64 C 2 17 kg 37 5 lbs 647 mm 25 15 32 Largest demolition performance in this class Automatic lubricator permits operating over extended periods with2. HITACHI POWER TOOLS TECHNICAL DATA HAMMER AND H 65SC SERVICE MANUAL LIST No E451 Nov 1999 SPECIFICATIONS AND PARTS ARE SUBJECT TO CHANGE FOR IMPROVEMENT REMARK Throughout this TECHNICAL DATA AND SERVICE MANUAL a symbol s is are used in the place of company name s and model name s of our competitor s The symbol s utilized here is are as follows Competitors Symbols Utilized Company Name Model Name C 1 MAKITA HM1303 C 2 MAKITA HM1500 Notice for use Specifications and parts are subject to change for improvement Refer to Hitachi Power Tool Technical News for further information CONTENTS Business Section Page 3 PRODUCT NAME o Hn HH HH HH HH HH hn hn nn enn nnne 1 2 MARKETING OBJECTIVE MR ERU EROR UR Tee eT ee TET C REG ral RE CR ER bb E E S OD Eb CUR RR RR 1 3 APPLICATIONS KEATS GR RAE RE ab See RARO AD o o EON Eb li ob Ge e OD RACE D do 1 4 SELLING POINTS o GG KK EUR RUE SNE CER bbb CR 1 4 1 Selling Point Descriptions EE ENE ET RINE ARRS REN EN EN TRIER P eR Pe RE 2 5 SPECIFICATIONS EE TE ERE EE RN RO EET 3 5 1 Optional Accessories sip DERE VESNA VONN ONE OVES EE PROS NAS VA ERENT 4 6 COMPARISONS WITH SIMILAR PRODUCTS bred 6 6 1 Specification Comparisons FE REE GE EE EE A S MDC LR KO A NU MR PUTA E 6 6 2 Demolition Performance Comparisons RASA
3. 9 1 4 9 3 32 8 11 32 8 15 32 120 120 120 Width mm 4 23 32 4 23 32 4 23 32 Striking energy per stroke J 39 5 39 5 39 5 40 3 Double Single Double Double Insulation structure insulation insulation insulation insulation No load noise level dB A 92 92 94 93 15 0 15 0 14 0 17 0 Jet MIASNUCGTO kg 83 1 165 83 1 165 30 9 lbs 87 5 lbs 6 2 Demolition Performance Comparisons The data shown in Fig 1 are obtained in actual factory tests and are for reference only Demolished amount may vary in accordance with operating conditions operator skill etc Re se OD 3 2 Ba QE oo m AL At rated voltage Demolished amount kg 30 min 7 PRECAUTIONS IN SALES PROMOTION In the interest of promoting the safest and most efficient use of the Model H 65SC Electric Hammer by all of our customers it is very important that at the time of sale the salesperson carefully ensures that the buyer seriously recognizes the importance of the contents of the Handling Instructions and fully understands the meaning of the precautions listed 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
4. 9 80 5 N m 100 kgf cm 86 91 in Ibs 4174 5 4 M8 Hexagon Socket Hd Bolts 29 4 5 Nem 300 kgf cm 260 5 in Ibs 5 D4 Tapping Screw 1 96 Nem 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 e Wiring diagram of products with noise suppressor Fig 17 Switch Stator Connector Tube n is uU 1 0 O Connector Noise Suppressor re aie me Stator Pillar Terminal Fig 17 246 Wiring diagram of products without noise suppressor Fig 18 9 1 6 Insulation Tests Stator Stator Fig 18 za a BEN Switch Pillar Terminal On completion of disassembly and repair measure the insulation resistance and dielectric strength Insulation resistance 7 MQ or more with DC 500 V Megohm Tester Dielectric strength 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 9 1 7 No Load Current Value except U K products After no load operation for 30 minutes the no load current value should be as follows Voltage V 110 115 220 230 240 Current A Max 5 9 5 7 3 0 2 8 2 7 come 10 STAND
5. BALL BEARING 6201DDCMPS2L 318 208 HOUSING ASS Y INCLUD 69 80 996 370 FAN 360 286U ARMATURE ASS Y 115V INCLUD 49 58 60 64 FOR USA 360 286E ARMATURE ASS Y 220V 230V INCLUD 60 306 098 FAN GUIDE VINYL TUBE ID7XT0 25X20 944 954 BEARING WASHER 956 972 CAP COVER 944 960 CAP RUBBER 940 540 BRUSH CAP 999 086 CARBON BRUSH AUTO STOP TYPE 1 PAIR 956 984 BRUSH HOLDER 983 162 SEAL LOCK HEX SOCKET HD BOLT M4X12 956 971 COVER SEAL 956 970 COVER PLATE 991 690 SEAL LOCK HEX SOCKET HD BOLT M5X12 955 011 OIL GAUGE CAUTION PLATE 956 969 HOLDER SEAL 318 206 FELT HOLDER C ASS Y INCLUD 79 987 203 SEAL LOCK SCREW W SP WASHER M4X12 998 534 OIL FELT 938 477 HEX SOCKET SET SCREW M5X8 306 099 TAIL COVER 307 028 TAPPING SCREW W FLANGE D4X25 BLACK 981 974 INTERNAL WIRE EXCEPT USA 949 423 WASHER 10 PCS FOR SAF HOL 995 398 SWITCH A 1P SCREW TYPE W LOCK 312 408 SUPPORT F 994 273 NOISE SUPPRESSOR EXCEPT HKG USA 971 168 HANDLE AND HANDLE COVER SET 500 4402 CORD CORD ARMOR D8 2 FOR HKG 500 4542 CORD CORD ARMOR D10 7 FOR SAF 500 390Z CORD CORD ARMOR D10 7 FOR HOL 500 434Z CORD CORD ARMOR D8 2 FOR USA 500 4572 CORD CORD ARMOR 08 2 FOR 938 307 PILLAR TERMINAL FOR USA 963 243 SUPPORT FOR USA 306 167 TUBE I D 7XT1 1X15 305 798 INTERNAL WIRE EXCEPT HKG USA 959 140 CONNECTOR 50091 10 PCS EXCEPT HKG USA 959 14
6. mount the Felt Holder C Ass y 77 so that its recess is engaged with the protrusion on the inside of the oil tank chamber of the housing 4 Assemble the Connecting Rod Ass y 38 onto the Crank Shaft 37 rotate the Crank Shaft by hand and confirm that the Oil Felt 79 comes into contact with the Seal Lock Hex Socket Hd Bolt M8 x 16 35 which fixes the Connecting Rod Ass y 38 Fig 15 5 After mounting the Felt Holder C Ass y 77 the Oil Felt 79 must be bent toward the Front Cover 7 side as illustrated in Fig 15 14 Oil Felt 79 Protrusion Recess Oil Tank Chamber Felt Holder C Ass y 77 Fig 14 5 How to install Seal Ring A 44 Connecting Rod Ass y 38 VEE c M8 x 16 Hex Bolt 35 Front Cover Housing Ass y Oil Felt 79 Oil Tank Chamber Fig 15 To prevent oil from leaking through between the Housing Ass y 59 and the Inner Cover 45 Seal Ring A 44 is installed in the Inner Cover 45 for sealing oil When fitting Seal Ring A 44 in the ring groove on the Inner Cover 45 exercise care not to allow the Seal Ring to twist or project out of the groove 6 How to install the L Ring 9 When installing the L Ring 9 on the Piston 11 pay attention to the L Ring direction The longer flange side should be directed to the front as shown in the figure Fig 16 7 Cover Plate 72 z Fig 16 Any gap between th
7. 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 Each Model H 65SC unit is provided with a Caution Plate illustrated below which lists basic safety precautions in its use Carefully ensure that the customer fully understands and follows these precautions before using the tool For the U S A and Canada Hitachi Koki MADE IN JAPAN WARNING To reduce the risk of injury user must read and understand instruction manual AVERTISSEMENT Afin de r duire le risque de blessures l utilisateur doit lire et bien comprendre le mode d emploi NC p Cautions on Oil Gauge OIL GAUGE CAP If lubricant for high speed rotating and sliding parts Feed oil before oil is invisible such as the needle bearings piston etc is depleted in the oil gauge by holding the it could cause damage such as jamming of sliding body upright parts early damage etc 7 3 Oil Supply As the Model H 65SC is equipped with a built in oil tank there is no need for manual oiling of the tool prior to and during operation To prevent possible oil staining of the steel carrying case during shipping
8. on the the Piston 11 and press it into the Striker 8 Connecting Rod Ass y to press the Piston into the Striker 8 Push Housing Ass y Push 2 Connecting Rod Ass y 38 Connecting Rod Ass y 38 2d Striker 8 g Piston 11 Respiratory holes Wee Striker 8 Piston 11 Respiratory holes Fig 11 Either of the two methods described above reguires a pressing force of more than 30 kg When a hissing sound is heard the Piston is properly inserted in the Striker The hissing is the sound of the compressed air escaping from the Striker when the Piston reaches the respiratory chambers within the Striker 213 4 Reassembly of the Oil Felt To replace the Oil Felt 79 follow the procedures described below Slender Tipped Rod 2 or Steel Wire Cil Felt 79 Felt 79 Protruding amount 10 11 mm 0 39 0 43 Recess Felt Holder C Ass y 77 Fig 12 Fig 13 1 As illustrated in Fig 12 fit the wide end of the Oil Felt 79 into the oiling hole and push it through with a slender tipped rod or steel wire 2 When approximately 5 mm 0 2 of the Oil Felt 79 has been pushed through into the oil tank grasp the tip with pliers or a similar tool and pull it into the oil tank so that 10 11 mm 0 39 0 43 remains protruding into the crank case chamber side as illustrated in Figs 12 and 13 3 As illustrated in Fig 14
9. only approximately 10 cc of oil is supplied to the oil tank when the tool is shipped from the factory Accordingly it is very important that the customer be instructed to remove the Oil Gauge and fill the oil tank with the standard accessory oil at the time of purchase Instruct the customer to check the amount of oil periodically by holding the tool upright as illustrated below and observing the oil level in the Oil Gauge When the oil level drops to a point approximately 3 mm 7 64 or less from the bottom of the Oil Gauge remove the Oil Gauge and replenish the oil Oil Gauge 3 mm 7 64 Hold the tool Replenish oil when level upright and is approx 3 mm 7 64 or less check the amount from bottom of Oil Gauge of oil Fig 2 Under average operating conditions approximately 3 cc of oil will be consumed per hour of operation The standard accessory oil feeder contains 120 cc of oil when it is added to the oil tank the oil tank will be filled with approximately 130 cc of oil When it becomes necessary to replenish the oil the customer should be cautioned to use Shell Omala Oil 4150 without fail To ensure that the appropriate oil is used the customers should be urged to purchase and use the optional accessory Hitachi Electric Hammer Oil Code No 955009 which is available in one liter 0 26 gallon containers 7 4 Impact Performance at Low Temperatures When starting the tool early in the morning whe
10. 1 CONNECTOR 50092 10 PCS EXCEPT USA 996 438 VINYL TUBE A 1 0 7 5 50 x ALTERNATIVE PARTS 8 99 PARTS 65SC CODE NO DESCRIPTION r REMARKS FOR USA 996 438 VINYL TUBE A I D 7XT0 5X50 980 063 TERMINAL 992 810 TERMINAL 930 804 TERMINAL M4 0 10 PCS 984 750 TAPPING SCREW W FLANGE D4X16 960 266 CORD CLIP 940 778 CORD ARMOR D10 7 FOR HOL FOR USA 958 049 CORD ARMOR D8 2 987 707 SEAL LOCK HEX SOCKET HD BOLT M6X25 RR a N a G STANDARD ACCESSORIES CODE NO DESCRIPTION REMARKS 314 170 CASE STEEL 872 422 HEX BAR WRENCH 6MM 944 459 HEX BAR WRENCH 5MM 944 961 BULL POINT 410MM 971 109 WRENCH 23MM 931 848 LUBRICANT OILER 120CC OPTIONAL ACCESSORIES CODE NO DESCRIPTION REMARKS 944 962 COLD CHISEL 410MM HEX SHANK TYPE 944 964 CUTTER W75X45L ROUND SHANK TYPE 944 966 RAMMER SHANK HAMMER 944 965 RAMMER 200MM 957 154 SCOOP 380L ROUND SHANK TYPE Printed in Japan 8 99 ALTERNATIVE PARTS 990825 N 20
11. 6 996 O RING 1AS 60 306 163 NYLOCK HEX SOCKET HD BOLT M8X35 949 433 BOLT WASHER M8 10 PCS 944 950 U NUT B M8 944 948 HANDLE STAY 949 895 SPLIT PIN D4X25 10 PCS 944 952 HANDLE SHAFT 949 655 HEX SOCKET HD BOLT M8X16 10 PCS 956 852 SIDE HANDLE ASS Y INCLUD 24 28 30 944 951 GRIP 620 5DD BALL BEARING 6205DDCMPS2L 956 949 BEARING COVER 990 079 SEAL LOCK HEX SOCKET HD BOLT M5X16 944 921 NEEDLE BEARING NTN 8E NK 18 20 RDO 996 364 SEAL LOCK HEX SOCKET HD BOLT M8X16 956 850 WOODRUFF KEY 4X16 957 142 CRANK SHAFT 998 434 CONNECTING ROD ASS Y INCLUD 34 956 955 CRANK WASHER 318 207 GEAR COVER 630 2VV BALL BEARING 6302VVCMPS2L 944 916 FINAL GEAR 944 915 DISTANCE RING B 957 143 SEAL RING A 998 412 INNER COVER NAME PLATE 986 940 SEAL LOCK HEX SOCKET HD BOLT M6X45 944 911 BEARING COVER A 620 3DD BALL BEARING 6203DDCMPS2L 944 907 DISTANCE RING A 620 1VV BALL BEARING 6201VVCMPS2L 8 99 x ALTERNATIVE PARTS PARTS 65SC CODE NO DESCRIPTION REMARKS 956 948 COUNTER GEAR 600 1VV BALL BEARING 6001VVCMPS2L 960 251 HEX HD TAPPING SCREW D5X65 956 764 SPECIAL WASHER 340 259G STATOR ASS Y 115V INCLUD 57 63 FOR USA 340 259E STATOR ASS Y 220V 230V INCLUD 57 63 945 932 BRUSH TERMINAL 620 1DD
12. AR UR EE te d Ead Ra CERES PORA qa ER NOTE RR Ee RO ERAS 6 T PRECAUTIONS IN SALES PROMOTION m EGRE EDU RESUME ROUGE EE SD ER OPERE T 7 1 Handling Instructions dosi SOR EE ET ER CREME EE EEE TE DE 7 1 2 Caution Plate Esdras OK NL REEF Fa 7 8 Oil Supply EEE EE EEE UE CDS EE T T A Impact Performance at Low Temperatures UM 8 8 REFERENCE INFORMATION BAM URNA BUE DEG pK S ob Kd eb EROR eR aay 9 Bat Structure of the Main Body PAT TE V ET OE ME S ADR MME E BARI AME SUR 9 2 Stop Lever Tool Retainer ER NR A UP IURE 9 8 3 Movement of the Stop Lever Ra ERAT 10 8 4 No load Striking Preventive Mechanism PETE AI MR ROME EEE TRE EET EEE 10 Service Section 9 REPAIR GUIDE MK pr a rt SPEER new ere Tae 10 9 1 Precautions and Suggestions for Disassembly and Reassembly of the Main Body 10 9 1 1 Disassembly EEE EE I OPERE T FE ACER OP ere er re ee ee er re eer RE OX CC ERR ERE 10 9 1 2 Reassembly RENEE 13 9 1 3 Screw Locking Agent TB1 401 TE ETTER EEE RENE Pe RUN M REN 16 9 1 4 Tightening Torque nem 16 9 1 5 Internal Wiring posae bm DEEP Iden ER EE np T 16 9 1 6 Insulation Tests EP ERAN REESE ER MESE TE 17 9 1 7 No Load Current Value NPR V NE
13. ARD REPAIR TIME UNIT SCHEDULES MODEL Fixed Variable 20 40 60 80 100 120 min General Assembly Fixed Cost Switch Handle 0 min Front Cover Lever Cord Ass y Others 10 min 20 min Work Flow Switch Cord Ass y Front Cover Lever Handle FFF Mouth Mouth Cover Urethane Ring Shank Sleeve Damper gt Striker Piston L Ring Connecting Rod Ass y Needle Bearing TI r Cylinder Case Ass y Gear Cover Armature Ass y Ball Bearing 6201 Ball Bearing 6203 Counter Gear Ball Bearing 6001 Ball Bearing 6201 Housing Stator Ass y Ball Bearing 6302 Final Gear Crank Shaft Ball Bearing 6205 Inner Cover 18 Assembly Diagram for H 65SC 40 PARTS H 65SC CODE NO DESCRIPTION REMARKS 998 423 STOP LEVER 998 426 NEEDLE ROLLER 306 437 NYLOCK HEX SOCKET HD BOLT M8X30 998 424 SPRING CASE 956 975 LEVER SPRING 998 425 DAMPER B 957 152 FRONT COVER 956 958 STRIKER 944 927 L RING 944 928 PISTON PIN 956 957 PISTON 944 918 PIN D5X15 8 956 965 DAMPER 944 936 O RING 956 964 SHANK SLEEVE 956 962 MOUTH COVER 956 963 MOUTH 956 961 MOUTH WASHER 956 960 URETHANE RING 306 164 CYLINDER CASE BLACK 95
14. e Cover Plate 72 and the Housing Ass y 59 may result in oil leakage or failure of automatic lubrication Do not disassemble the Cover Plate 72 except when absolutely necessary When it is inevitably necessary to disassemble and reassemble the Cover Plate as when replacing the Oil Felt 79 for thorough sealing apply liquid packing Fuji Oil Sheet No 600K to the mounting surface on the Housing Ass y 59 15 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 ThreeBond TB1401 2 The following parts must be replaced with Hitachi Genuine Parts once they are loosened Front Cover Fixing Bolts M8 x 30 3 e Cylinder Case Fixing Bolts M8 x 35 22 e Fixing Bolt on the Connecting Rod Ass y 38 M8 x 16 35 CAUTION If fastening bolts come loose from vibration it could cause serious damage to the machine Ensure without fail that TB1401 Screw Locking Agent is applied as directed above prior to reassembly Before applying the TB1401 carefully clean any grease or other foreign matter from the male and female threads with gasoline thinner or similar cleaning solvents 9 1 4 Tightening Torque 1 M4 Hexagon Socket Hd Bolts 4 41209 45 kgf cm 39 1 in Ibs 2 M5 Hexagon Socket Hd Bolts 7 84 N m 80 kgf cm 69 5 6 in Ibs 417 4 1 2 3 M6 Hexagon Socket Hd Bolts
15. ers 65 Cap Rubbers 66 and Brush Caps 67 and take out the Carbon Brushes 68 At this time be very careful not to lose the disassembled parts 2 Loosen the four Nylock Hex Socket Hd Bolts M8 x 35 22 and remove the Cylinder Case 20 Next after loosening the Seal Lock Hex Socket Hd Bolt M8 x 16 35 the Connecting Rod Ass y 38 and Crank Washer 39 can be disassembled Leave the Striker 8 and Piston 11 as they are 3 Loosen the four Seal Lock Hex Socket Hd Bolts M6 x 25 101 and take off the Handle and Handle Cover Set 88 Next loosen the six Seal Lock Hex Socket Hd Bolts M6 x 45 47 and disassemble the Gear Cover 40 and Counter Gear 52 Then by inserting a flat blade screwdriver or similar tool into one of the air vents of the Inner Cover 45 and lifting it upwards the Inner Cover 45 Armature Ass y 61 Crank Shaft 37 and related parts can be removed in a single body 4 As illustrated in Fig 6 support the Inner Cover 45 with an appropriate tubular jig and push down on the end surface of the armature shaft with a hand press to separate the Armature Ass y 61 from the Inner Cover 45 aja Press the end surface of the armature with a hand press Inner Cover 45 Crank Shaft 37 Disassembly of the Crank Shaft 37 section First remove the four Seal Lock Hex Socket Hd Bolts M5 x 16 33 which fix the Bearing Cover 32 Then as illustrated in Fig 7 support the lower su
16. lock Hex Socket Hd Bolts M8 x 35 22 and separate the Cylinder Case 20 from the O Ring 14 Housing Ass y 59 From the Cylinder Case 20 Shank Slender screwdriver take out the Striker 8 Piston 11 and Connecting Sleeve 15 Rod Ass y 38 single body Holding the Striker 8 firmly in one hand grasp the Connecting Rod Ass y 38 in the other hand and pull it forcefully to separate it from the Striker Finally extract the Piston Pin 10 from the Piston 11 and separate the Piston Fig 8 from the Connecting Rod Ass y 38 e Disassembly of the Stop Lever 1 Lever Spring 5 Stop Lever 1 Damper B 6 Needle Roller 2 Spring eq WAL CO Se Push Damper B 6 with two flat blade screwdrivers Overlap the end surface of the Stop Lever 1 on the flange portion of the Front Cover 7 Fig 9 Disassembly procedures are illustrated in Fig 9 Pull the Stop Lever 1 outward in the direction indicated by the arrow and turn it slightly so that its end surface comes to rest on the flange portion of the Front Cover 7 Next turn the Spring Case 4 so that the holes of the Spring Case are aligned with the Needle Roller 2 Then push in Damper B 6 with flat blade screwdrivers to compress the Lever Spring 5 Finally while keeping the Lever Spring compressed fit a 3 mm or less dia steel rod into the hole of the Spring Case 4 and push out the Needle Roller 2 The Stop Le
17. me eee eene Oil feeder e Ee re s Wrone her ienee MI etm 5 1 Optional Accessories 1 Demolition work lt Pt 1 Bull point Overall length Code No 410 mm 16 9 64 944961 2 Grooving and chiseling work mE 1 Cold chisel Overall length Code No 410 mm 16 9 64 944962 3 Cutting and stripping work asphalt cutting etc ss 1 Cutter Width Overall length Code No 75 mm 2 61 64 410 mm 16 9 64 944964 4 Digging substitute pick ax 1 Scoop Overall length Code No 550 mm 21 21 32 944967 5 Tamping work 1 Rammer 2 Shank SDS max shank type Code No 944965 Overall length Code No Ext Dia 200 mm dia 250 mm 9 27 82 944966 7 7 8 6 Electric hammer oil Capacity Code No 1 liter 0 26 gallon 955009 Note Code numbers listed above are subject to change Please refer to periodic Technical News Bulletins 6 COMPARISONS WITH SIMILAR PRODUCTS 6 1 Specification Comparisons Maker Model name H 65SC PH 65A Gel oF Power input W 1 240 1 240 1 300 1 430 Full load impact rate min 1 400 1 400 1 450 1 300 647 642 675 647 Length mm 25 15 32 25 9 32 26 37 64 25 15 32 ates 235 231 212 215 Dimensions Height mm
18. n the ambient temperature is low or after the tool has not been used for a long period of time oil viscosity may be very high and may cause improper or even complete lack of impact function even though the motor functions properly In such a case the customer should be instructed to continue no load operation for approximately 5 minutes to allow the tool to warm up The tool should then function normally 8 REFERENCE INFORMATION 8 1 Structure of the Main Body The primary structure of the Model H 65SC is similar with the Model PH 65A as illustrated Fig 3 Front Cover Gear Cover Ass y BB Inner Cover e S crank Shaft Final Gear Stop Lever Striker Shank Sleeve L Ring Mouth Counter Gear Switch Handle Piston Pin Ht Cylinder Case piston Connecting Rod D Tj EL Najine Felt Holder C Housing Ass y Ass y Stator Ass y Armature Ass y Fig 3 8 2 Stop Lever Tool Retainer Fig 4 and Fig 5 1 Clean then smear the tool shank with Front Cover grease or machine oil Fig 4 Hold the tool with its flattened art directed upward 2 Rotate the stop lever 180 ina Y clockwise direction while pulling it toward you Next insert the tool shank into the hexagonal hole on the front cover Fig 4 Tool Shank 3 Stop Lever 3 Clamp the tool by turning the stop lever pasa ig by half a turn in the opposite direction Fig 5 Stop Lever 8 3 Movement of
19. out supplying oil Internal double insulation construction with rugged aluminum frame 4 1 Selling Point Descriptions 4 1 1 Largest demolition performance in this class Demolition performance is 1 1 to 1 3 times larger than that of similar products thanks to the maximum 39 5 J impact energy and efficient striking Maker Model Ratio of demolished weight 96 HITACHI 65SC 100 HITACHI PH 65A 100 C 1 80 C 2 92 5 SPECIFICATIONS Item H 65SC Power source Single phase AC 50 60 Hz Voltage V 110 115 230 240 Motor type AC single phase series commutator motor Insulation structure Double insulation Enclosure Materials Aluminum alloy die casting Cast aluminum alloy Glass fiber reinforced plastic resin Paint Hammer net silver green and black Switch Trigger switch with stopper Type of handles D shaped handle and side handle Full load current 11 8 A 110 V 11 4 A 115 V 5 7 A 230 V 5 4 A 240 V Power input 1 240 W Striking speed No load 1 800 min Full load 1 400 min Weight Product 15 0 kg 33 1 Ibs excluding cord Packed 23 5 kg 51 8 Ibs Packaging Corrugated cardboard box with steel tool case Standard accessories e Hex bar wrench for M6 meme e Hex bar wrench for MB mee e Steel tool case e HH e eene enne e Side handle HH eher e Bull point me
20. rface of the Inner Cover 45 with an appropriate tubular jig align an appropriate steel rod with the end surface of the Crank Shaft 37 and press down on the steel rod with a hand press The Ball Bearing 6205DDCMPS2L 31 Distance Ring B 43 Final Gear 42 two Woodruff Keys 4 x 16 36 and Crank Shaft 37 can then be disassembled from the Inner Cover 45 Press the end surface of the crank shaft by fitting a steel rod with a hand press Ball Bearing 41 Final Gear 42 AE IE Inner Cover 45 Crank Shaft 37 Tubular Jig Fig 7 e Disassembly of remaining parts from the Inner Cover 45 Loosen the three Seal Lock Hex Socket Hd Bolts M5 x 16 33 and take out Bearing Cover A 48 and the Ball Bearing 6203DDCMPS2L 49 e Disassembly of the Mouth 17 and related parts First remove the six Nylock Hex Socket Hd Bolts M8 x 30 3 and separate the Front Cover 7 from the Cylinder Case 20 The Shank Sleeve 15 Damper 13 Mouth 17 Mouth Cover 16 Mouth Washer 18 and Urethane Ring 19 can then be taken out e Removal of the O Ring 14 As the O Ring 14 is installed in the inner portion of the Shank Sleeve 15 it may be difficult to remove As illustrated in Fig 8 pry the O Ring 14 upward gently with a slender flat blade screwdriver being very careful not to damage the surface of the O Ring ed e Removal of the Striker 8 and related parts Remove the four Ny
21. 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 8 4 No load Striking Preventive Mechanism This machine is so constructed that when the bit end is lifted off the surface being worked the striker is caught in the mouth to prevent no load striking and when the striker comes off the mouth a phase difference between the piston and striker is utilized to reduce the striker s amplitude thereby preventing the striker from striking the bit as a double preventive measure against no load striking When the striker is prevented from striking the bit turn the switch OFF then the switch ON again with the bit lightly push the main body on the concrete surface so that the eguipment starts striking 9 REPAIR GUIDE 9 1 Precautions and Suggestions for Disassembly and Reassembly of the Main Body The Bold numbers in the descriptions below correspond to the item numbers in the Parts List and exploded assembly diagram 9 1 1 Disassembly NOTE If it is difficult to loosen and remove the fixing bolts use an appropriate heat gun etc to heat them to approximately 80 C 176 F e Disassembly of the Armature Ass y 61 1 Loosen the four Seal Lock Hex Socket Hd Bolts M4 x 12 70 remove the Cap Cov
22. ver 1 the Damper B 6 and the Lever Spring 5 can then be taken out e How to remove the L Ring 9 The L Ring 9 can be removed by prying it with a flat blade screwdriver or manually as shown in the following figure Fig 10 Y Fig 10 12 9 1 2 Reassembly Reassembly can be accomplished by following the disassembly procedures in reverse However special attention should be given to the following items 1 Reassembly of the Crank Shaft 37 section Press fit the Ball Bearing 6205DDCMPS2L 31 into the Inner Cover 45 and fasten Bearing Cover 32 onto the Inner Cover 45 with the four Seal Lock Hex Socket Hd Bolts M5 x 16 33 Support the inner race of the Ball Bearing 6205DDCMPS2L 31 with an appropriate jig and press fit the Crank Shaft 37 into the Ball Bearing Next insert Distance Ring B 43 and two Woodruff Keys 4 x 16 36 into the Crank Shaft 37 and press fit the Final Gear 42 and the Ball Bearing 6302VVCMPS2L 41 with a hand press 2 Reassembly of the Armature Ass y 61 Press fit the Ball Bearing 6203DDCMPS2L 49 into the Inner Cover 45 and fasten Bearing Cover A 48 onto the Inner Cover with the three Seal Lock Hex Socket Hd Bolts M5 x 16 33 8 Reassembly of the Striker 8 Two possible methods Fig 11 A After the Connecting Rod Ass y 38 has been B Mount the Piston 11 onto the Connecting assembled into the Housing Ass y 59 mount Rod Ass y 38 and push down
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