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JMA-9100/7100 Installation Manual > 2.INSTALLATION OF SCANNER UNIT > 2.4 PRECAUTIONS
Fig 2-14: Use of washer and corrosion-resistant measures
d.Grounding and corrosion-resistant measures
• Ground the scanner chassis and the installation surface (hull) by using an earth line.
Apply sealant to the connection portion of the earth line to prevent corrosion and
damage by vibration (Fig 2-15).
Fig 2-15: Grounding and corrosion-resistant measures