JRC JMR-9230-S Installation Manual page 98

2.Installation of Scanner Unit > 2.4 PRECAUTIONS
c. Use of washer and corrosion-resistant measures
•
At the location where a bolt's head or nut comes in contact with the scanner chassis' legs and the
mount base, insert a plain washer which fits the bolt; and, at the location where the nut comes in
contact with the plain washer, insert a spring washer, and then securely tighten the nuts (Fig 2-7
Use of washer and corrosion-resistant measures).
•
To prevent corrosion due to the contacts between different metals, such as the scanner chassis'
legs, installation surface, bolts, nuts, etc., cover the bolt's head and nuts with sealant (Fig 2-7 Use
of washer and corrosion-resistant measures).
Fig 2-7 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
2-8 Grounding and corrosion-resistant measures).
Fig 2-8 Grounding and corrosion-resistant measures
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