3 Preparingfor anInstallation
l When you attach the cables, keep the connectors clean. Place dust caps on
unused connectors. Dust in connectors is the main cause of connector failure.
l Keep the control box screen clean.
Tip – Use a moist cloth or wet-wipe to clean the control box screen. Do not use your fingers –
you could scratch the screen.
3.5.4 Water
Certain system components, such as the control box, are sealed against water
splash. Other components are sealed against total water immersion. However you
must take care when selecting mounting locations.
Potential sources of water include:
l Condensation
l Rain
l Snow
l Ground water thrown up by passing vehicles or wheels
l Vehicle-washing systems (for example, waterblasters)
28 GCS900 Grade Control System for Excavators Installation Manual
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