Grove Published 3-22-2021, Control # 702-02 2-43
GRT8120 OPERATOR MANUAL SAFETY INFORMATION
CRANE STABILITY
The GRT8120 on rubber 360° load chart shows the minimum
radius allowed with a load. Without a load, a radius of 1.0 m
(3.3 ft) less than the minimum radius shown on the load chart
is safe for 360° on rubber. A radius of less than this must be
avoided on rubber 360° because of backward stability
considerations.
HOIST PLATFORM
OVERLOAD INSPECTION
When the Rated Capacity Limiter (RCL) system has
acknowledged an overload on your crane, you must carry
out specified inspections on the crane.
These inspections apply only to overloads up to 50%. For
overloads of 50% or higher, crane operation must be
stopped immediately and Crane Care must be contacted for
corrective action.
The following illustrations may not be an exact
representation of your crane and are to be used for reference
only.
NOTE: If your crane is equipped with CraneSTAR, an
overload warning will be posted to the web site for
review by the crane owner.
Overload warnings do NOT indicate real time
events! Warnings could be sent 24 hours (or more)
after the actual event.
DANGER
Do not use platform for hauling passengers. Death or
serious injury could occur.
No storage of components are allowed on the platform.
Only one person at a time is allowed on the platform.
WARNING
Overload Hazard!
To avoid an accident caused by overload damage to
your crane:
• Perform the inspections outlined in this publication
for overloads up to 50%.
• Stop operating the crane and contact Manitowoc
Crane Care immediately for overloads of 50% and
higher.
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