WARNING — Ensure that all valve module connectors are correctly connected. Failure to do
so can result in personal injury from crushing, and can cause permanent damage to the
hydraulic system.
WARNING — Disconnect the negative battery terminal before commencing any welding.
Ensure that power is removed from the system by disconnecting the power input cable(s).
Failure to follow this warning may result in electric shock.
10 GCS900 Grade Control System for Excavators Operator's Manual
Safety Information