Safety precautions
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n Selecting the hydraulic excavator
Install a hydraulic breaker to a proper-sized hydraulic excavator to fit with each other. If a hydraulic
excavator is small for the hydraulic breaker, the excavator may lose balance and tip over.
• Make sure to install the hydraulic breaker to a manufacture's recommended hydraulic excavator.
To install your particular hydraulic breaker to a proper hydraulic excavator, see the instructions for
your hydraulic breaker.
• When operating the hydraulic breaker in a work site that is potentially dangerous because of falling
rocks, use a hydraulic excavator fitted with a head guard or a FOPS.
FOPS
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Falling-Object Protective Structure provided by SAE regulation
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n Observe the rules on the working spot!
• Make a working plan, prepare a daily or monthly report and record the working situation.
• When operating the breaker with a supervisor at the work site, follow the supervisor's instruction
to work safely.
A supervisor must work at inside work site or other dangerous work sites.
• When the operator alternates with another, he must inform the alternate of the machine condition
by a memo or word of mouth.
• When placing a signal man, determine signals.
The operator must obey the signals of the signal man.
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