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Hitachi H 90SB Handling Instructions Manual
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Hitachi H 90SB Handling Instructions Manual

Hitachi H 90SB Handling Instructions Manual

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Demolition Hammer
Model H 90SB

Handling instructions

Double insulation
Note:
Before using this HITACHI Demolition Hammer, carefully read
through these HANDLING INSTRUCTIONS to ensure efficient, safe
operation. It is recommended that these HANDLING
INSTRUCTIONS be kept readily available as an important reference
when using this power tool.

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Summary of Contents for Hitachi H 90SB

  • Page 1: Handling Instructions

    Demolition Hammer Model H 90SB Handling instructions Note: Before using this HITACHI Demolition Hammer, carefully read through these HANDLING INSTRUCTIONS to ensure efficient, safe operation. It is recommended that these HANDLING INSTRUCTIONS be kept readily available as an important reference when using this power tool.
  • Page 2 We sincerely thank you for selecting a HITACHI POWER TOOL. To operate this power tool safely and efficiently, please read this INSTRUCTION MANUAL carefully to get a good understanding of the precautions in operation, capacity of the power tool, use and the like.

  • Page 3: Service And Repairs

    These operations should ONLY be performed by an authorized service center. DOUBLE INSULATION SYSTEM ENHANCES SAFE OPERATION To enhance safe operation of this electric power tool, HITACHI has adopted a double insulation system. The term “double insulation” used here denotes an insulation system...

  • Page 4: Replacement Parts

    To maintain the effectiveness of the double insulation system, follow the precautions described below: 1. Always contact your dealer or an authorized service center when assembling, disassembling or replacing parts other than accessories or carbon brushes. Improper assembly and/or replacement with wrong parts may result in eliminating the double insulation-feature.

  • Page 5: Specifications

    SPECIFICATIONS Motor : Single-phase, series commutator motor Power source : Single-phase 50/60 Hz Input : 1450W* Full-load impact rate : 850/min Weight : 32 kg (without cord) *Be sure to check the nameplate on this Demolition Hammer as it is subject to change by areas.

  • Page 6: Operation

    2. Power switch Ensure that the power switch is in the OFF position. If the plug is connected to a power receptacle while the power switch is in the ON position, this Demolition hammer will start operating immediately, inviting serious accident. 3.

  • Page 7: Maintenance And Inspection

    (Fig. 1) After removing the brush cap, the carbon brush can be removed. After replacing the carbon brush, tighten the brush cap, then mount the tail cover securely. NOTE: Due to HITACHI’s continuing program of research and development, the specifications herein are subject to change without prior notice.
  • Page 9 Item Item Part Name Part Name D6 × 36 Roll Pin Piston Lever Pin Oil Seal (A) M12 × 40 Bolt Connecting Rod Ass’y Retainer Needle Bearing Front Cover Cord O-Ring (S-90) Tube (D) O-Ring Cor d Armor Second Hammer Vinyl Tube (A) (I.D.7 x T 0.5 x 50) O-Ring (D) Terminal...
  • Page 10 Special Washer Internal Wire Stator Brush Terminal Vinyl tube (B)(I.D.4 × T0.4 × 80) Bearing Washer Ball Bearing (6201VVCM) HITACHI Label Housing Cover Collar Bolt Washer Spring Lock Washer Hexagon Socket Hd. Bolt M6 × 20 Hexagon Bar Wrench 4 mm...
  • Page 12 Code No. C99006712 N Printed in Japan...

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