Hitachi CH 50EA3 (ST) Handling Instructions Manual
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Hitachi CH 50EA3 (ST) Handling Instructions Manual

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Hedge Trimmer

Model CH 50EA3 (ST)/CH 55EB3 (ST)
CH 62EA3 (ST)/CH 66EB3 (ST)
CH 78EC3 (ST)
Handling instructions
Note:
Before using this machine, carefully read through these HANDLING INSTRUCTIONS to ensure
effi cient, safe operation. It is recommended that these INSTRUCTIONS be kept readily available as
an important reference when using this machine.
CH66EB3 (ST)
970-83301-200 2009.12
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Summary of Contents for Hitachi CH 50EA3 (ST)

  • Page 1: Hedge Trimmer

    Hedge Trimmer Model CH 50EA3 (ST)/CH 55EB3 (ST) CH 62EA3 (ST)/CH 66EB3 (ST) CH 78EC3 (ST) Handling instructions CH66EB3 (ST) Note: Before using this machine, carefully read through these HANDLING INSTRUCTIONS to ensure effi cient, safe operation. It is recommended that these INSTRUCTIONS be kept readily available as an important reference when using this machine.

  • Page 2: Table Of Contents

    MEANINGS OF SYMBOLS NOTE: Some units do not carry them. Symbols WARNING The following show symbols used for the machine. Be sure that you understand their meaning before use. It is important that you read, fully understand and observe the following safety precautions and warnings. Careless or improper use of the unit may cause serious or fatal injury.

  • Page 3: What Is What

    WHAT IS WHAT? Since this manual covers several models, there may be some diff erence between these illustrations and your unit. Use the instructions that apply to your unit. Recoil starter 2. Fuel tank 3. Throttle trigger lookout 4. Throttle trigger 5.

  • Page 4: Warnings And Safety Instructions

    If situations occur which are not covered in this manual, take care ○ Make sure the safety guard is properly attached. and use common sense. Contact your Hitachi dealer if you need ○ Keep others away when making carburetor adjustments.

  • Page 5: Specifications

    SPECIFICATIONS CH66EB3 (ST)/CH55EB3 (ST) MODEL CH78EC3 (ST) CH50EA3 (ST)/CH62EA3 (ST) Engine Size (ml) 21.1 23.9 Spark Plug NGK BPMR-6A NGK BPMR-6A Fuel Tank Capacity (l) 0.35 0.35 CH55EB3 (ST) ........4.7 CH66EB3 (ST) ........5.1 Dry Weight (kg) CH50EA3 (ST) ........4.3 CH62EA3 (ST) ........

  • Page 6: Operating Procedures

    ○ Always use branded 89 octane unleaded gasoline. ○ Use genuine two-cycle oil or use a mix between 25:1 to 50:1, please consult the oil bottle for the ratio or Hitachi dealer. ○ If genuine oil is not available, use an anti-oxidant added quality oil expressly labeled for air-cooled 2-cycle engine use (JASO FC GRADE OIL or ISO EGC GRADE).

  • Page 7: Maintenance

    You have reached the correct idle E: UNLOCK speed when the engine runs smoothly in all positions well below the rpm when the cutting attachment starts to rotate. If the cutting attachment still rotates after idle speed adjustment, contact Hitachi dealer. Fig. 7 Fig. 9...
  • Page 8 Air fi lter (Fig. 10) The air fi lter must be cleaned from dust and dirt in order to avoid: ○ Carburetor malfunctions. ○ Starting problems. ○ Engine power reduction. ○ Unnecessary wear on the engine parts. ○ Abnormal fuel consumption. Clean the air fi...
  • Page 9 Maintenance schedule Below you will fi nd some general maintenance instructions. For further information please contact your Hitachi dealer. Daily maintenance ○ Clean the exterior of the hedge trimmer. ○ Check the blade guard for damage or cracks. Change the guard in case of impacts or cracks.
  • Page 16 Hitachi Koki Co., Ltd. Shinagawa Intercity Tower A, 15-1, Konan 2-chome, Minato-ku, Tokyo, Japan Code No. E99004911 G Printed in China...

This manual is also suitable for:

Ch 66eb3 (st)ch 78ec3 (st)Ch 78ec3 (st)