Operation procedures (Breaking)
2 – 15
Precautions for operation
WARNING
Wrong traveling lever operation may cause a serious accident, resulting in injury or
death.
Operate the traveling lever correctly.
Do not run the machine with the breaker pushing rock.
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n Confirmation of operation lever, pedal, and switch
Operation of the operation levers, pedals, and switches of hydraulic excavators may be different
according to the maker and model. Operate them correctly.
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n Confirmation of crawler traveling direction
Confirm the direction of crawler traveling and the operator's seat before traveling the machine.
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n Pay attention to the following during operation
1. Stop operation when hoses are vibrating abnormally.
Check the hoses on the high-pressure and low-pressure sides of the breaker for abnormal vibration. If
they are vibrating abnormally, ask your Furukawa dealer for inspection.
2. Stop operation right after breaking. (Avoid idle blows as much as possible.)
After breaking rock, stop striking immediately. Continuous idle blows will exercise adverse effecrts on
the machine as well. When appropriate thrust is not applied to the breaker or the rod is twisted during
striking, idle blows will result. (Idle blows will produce metallic sound unlike ordinary blows.)
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Traveling motor
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