Hitachi H 65SB2 Technical Data And Service Manual
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Hitachi H 65SB2 Technical Data And Service Manual

Demolition hammer
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MODEL
H 65SB2
Hitachi
Power Tools
TECHNICAL DATA
DEMOLITION HAMMER
H
AND
H 65SB2
SERVICE MANUAL
Oct. 2004
LIST No. E482
SPECIFICATIONS AND PARTS ARE SUBJECT TO CHANGE FOR IMPROVEMENT

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Summary of Contents for Hitachi H 65SB2

  • Page 1 MODEL H 65SB2 Hitachi Power Tools TECHNICAL DATA DEMOLITION HAMMER H 65SB2 SERVICE MANUAL Oct. 2004 LIST No. E482 SPECIFICATIONS AND PARTS ARE SUBJECT TO CHANGE FOR IMPROVEMENT...
  • Page 2 REMARK: Throughout this TECHNICAL DATA AND SERVICE MANUAL, a symbol is used in the place of company name and model name of our competitor. The symbol utilized here is as follows: Competitor Symbol Utilized Model Name Company Name HM1304 MAKITA MAKITA HM1500...

  • Page 3: Table Of Contents

    9-3. Application of Adhesive ......................... 14 9-4. Tightening Torque ......................... 14 9-5. Wiring Diagram ..........................15 9-6. Insulation Tests ..........................15 9-7. No-load Current Value ........................15 10. STANDARD REPAIR TIME (UNIT) SCHEDULES ..............16 Assembly Diagram for H 65SB2...

  • Page 4: Product Name

    Hitachi Demolition Hammer, Model H 65SB2 2. MARKETING OBJECTIVE The new Model H 65SB2 is the upgraded version of the current Model H 65SB, developed to realize the class-top demolition performance and durability with low noise and vibration level. The outstanding features are as follows: (1) Strongest demolition power and lowest noise and vibration level in this class.

  • Page 5: Selling Point Descriptions

    (5) Internal double-insulation construction with sturdy aluminum frame The Model H 65SB2 is equipped with a very sturdy (highly rigid) aluminum die-cast outer frame that is the same as the current Models H 65SB and H 45MR. In addition, a plastic internal S holder is adopted to realize double-insulation construction.

  • Page 6: Specifications

    5. SPECIFICATIONS Power source AC single phase Voltage 110 V 115 V 120 V 127 V 220 V 230 V 240 V 12.8 A 12.2 A 11.8 A 11.2 A 6.4 A 6.1 A 5.9 A Current AC single phase commutator motor Type of motor Aluminum alloy die cast, cast aluminum alloy, Enclosure...

  • Page 7: Optional Accessories

    5-1. Optional Accessories Grooving and edging work: (1) Cold chisel Overall length 410 mm Part No. 944962 Digging work (Substitute for pickaxe): (1) Scoop Overall length 550 mm Part No. 944967 Cutting and stripping work: (Asphalt cutting and similar works) (1) Cutter Overall length 410 mm Part No.

  • Page 8: Comparison With Similar Products

    6. COMPARISON WITH SIMILAR PRODUCT 6-1. Specification Comparison HITACHI Maker H 65SB2 H 65SB Model 1,340 1,240 1,430 Power input 1,430 /min. 1,400 1,400 1,300 Full-load impact rate 1,450 Length Dimensions Height Width Impact energy per stroke 27.5 28.5 42.0 42.0...

  • Page 9: Precautions In Sales Promotion

    7. PRECAUTIONS IN SALES PROMOTION In the interest of promoting the safest and most efficient use of the Model H 65SB2 Demolition 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.

  • Page 10: Grease Replacement

    7-3. Grease Replacement Different kinds of grease are used in the electro-pneumatic hammering section and the speed-change gear section. It is not necessary to replenish the grease unless the tool is disassembled or there is grease leakage due to a damage or worn seal. To ensure the smooth reciprocating of the striker and the second hammer, special grease (Part No.

  • Page 11: Reference Information

    8. REFERENCE INFORMATION 8-1. Sealed and Dust-proof Structure (See Fig. 1.) The cylinder case section and the housing (crank case side) are sealed by six (6) O-rings, a holder seal, and a seal ring. These seals serve to prevent leakage of the grease, as well as to prevent dust and dirt from entering the mechanism.

  • Page 12: Movement Of Stop Lever

    8-4. Movement of 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 the fitting portion of the front cover.

  • Page 13: Precautions In Disassembly And Reassembly

    9. PRECAUTIONS IN DISASSEMBLY AND REASSEMBLY The circled numbers in the descriptions below correspond to the item numbers in the Parts List and exploded assembly diagram. 9-1. Disassembly NOTE: If it is difficult to loosen and remove the fixing bolts, use an appropriate heating device to heat them to approximately 80û...
  • Page 14 Press the end surface of the crank shaft by fitting a steel rod with a hand press. Ball Bearing 6302VVCMPS2L [39] Final Gear [40] Inner cover [42] Crank Shaft [47] Tubular jig Fig. 5 (3) Disassembly of remaining parts from the Inner Cover [42]: Loosen the three Seal Lock Hex.

  • Page 15: Reassembly

    Disassembly procedures are illustrated in Fig. 7. Pull the Stop Lever [10] 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 [8]. Next, turn the Spring Case [5] so that the holes of the Spring Case [5] are aligned with the Needle Roller [11].
  • Page 16 (4) Mounting Oil Seal (A) [28]: When mounting Oil Seal (A) [28] on the Piston [30], ensure Oil seal (A) [28] that the lip portion of the oil seal is directed toward the rear O-ring (A) [25] surface of the piston, as illustrated in Fig. 9. Piston [30] Prior to reassembly, thoroughly coat grease (Grease for Impact Drill, Part No.

  • Page 17: Application Of Adhesive

    (1) Prior to reassembly, all hexagon socket hd. bolts M5 and M6, and machine screws must be coated with Screw Locking Agent TB1401. (2) The following parts must be replaced with Hitachi Genuine Parts if they are loosened. Front cover fixing bolts:...

  • Page 18: Wiring Diagram

    9-5. Wiring Diagram Fig. 12 9-6. Insulation Tests After disassembly for repair servicing, the insulation resistance should be measured and the dielectric strength test (withstand voltage test) performed. Insulation resistance: 7 M Ω or greater Dielectric strength: Normal after applying 4000 V for one minute. 9-7.

  • Page 19: Standard Repair Time (Unit) Schedules

    10. STANDARD REPAIR TIME (UNIT) SCHEDULES Variable MODEL Fixed Work Flow H 65SB2 Switch (B) Cord Housing Cord Armor Ass'y Stator Ass'y Tail Cover General Assembly Gear Cover Armature Handle (A) Ass'y Ball Bearing Handle (B) (6302VV) Ball Bearing Handle...
  • Page 20 Hitachi Power Tools LIST NO. E482 ELECTRIC TOOL PARTS LIST DEMOLITION HAMMER 2004 • • Model H 65SB2 (E1) 10 11...
  • Page 21 PARTS H 65SB2 ITEM CODE NO. DESCRIPTION REMARKS USED 323-734 NYLOCK HEX. SOCKET HD. BOLT M8X40 323-736 DAMPER PLATE 323-737 COLLAR 323-735 FRONT DAMPER 998-424 SPRING CASE 956-975 LEVER SPRING 998-425 DAMPER (B) 323-733 FRONT COVER 323-732 SECOND HAMMER 323-748...
  • Page 22 PARTS H 65SB2 ITEM CODE NO. REMARKS DESCRIPTION USED 980-717 O-RING (S-38) 990-945 OIL CAP ASS’Y 1 INCLUD. 52 877-838 SEAL LOCK HEX. SOCKET HD. BOLT M4X8 323-727 CAP COVER 944-960 CAP RUBBER 940-540 BRUSH CAP 999-086 CARBON BRUSH (AUTO STOP TYPE) (1 PAIR)
  • Page 23 PARTS H 65SB2 ITEM CODE NO. DESCRIPTION REMARKS USED 991-690 SEAL LOCK HEX. SOCKET HD. BOLT M5X12 959-140 CONNECTOR 50091 (10 PCS.) 1 FOR NZL, AUS, GBR, SAF, EUROPE, FIN, NOR, SWE, DEN, AUT, SUI 938-307 PILLAR TERMINAL 1 FOR AUS, GBR, SAF, EUROPE, FIN,...

  • Page 24: Standard Accessories

    GREASE FOR HAMMER. HAMMER DRILL (70G) 930-035 GREASE (SEP-3A) (100G) 980-927 GREASE FOR HAMMER. HAMMER DRILL (500G) 323-745 SERVICE KIT (H 65SB2) INCLUD. 30, 32, 33, 37, 47, 52, 56-58, 99, 606, 608 10 -- 04 * ALTERNATIVE PARTS --- 5 ---...
  • Page 25 H 65SB2 ITEM CODE NO. DESCRIPTION REMARKS USED Printed in Japan --- 6 --- 10 -- 04 (041010N)

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