Grove Published 3-22-2021, Control # 702-02 4-99
GRT8120 OPERATOR MANUAL OPERATING PROCEDURES
Crane Function Menu Group
The Crane Function Menu Group includes the following
function icons:
• Outrigger Extend/Retract (page 4-99)
• 360° Superstructure Lock/Unlock (page 4-105)
• Boom Extension Deployment/Stowage (page 4-106)
Outrigger Extend/Retract
Select the Outrigger Extend/Retract icon (1, Figure 4-93)
under the Crane Function Group to show the Outrigger
Extend/Retract function screen.
The Outrigger Extend/Retract function screen (Figure 4-94)
allows the operator to set the outriggers and level the crane
using either a manual or semi-automatic mode. The
Outrigger Extend/Retract function screen is also used to
retract and stow the outriggers as well as operate the side
mounted carrier work lights.
NOTE: The outriggers are to be deployed with the boom
centered over the front axle. In this configuration,
the direction the operator is facing is considered
the front of the crane.
The steering wheel symbol (6, Figure 4-94) shown
on the Outrigger Extend/Retract function screen
corresponds to the front of the crane. The terms left
and right correspond to the operator’s left and right
sides when looking forward over the front (axle) of
the crane.
NOTE: Refer to Using the Outriggers, page 4-19 for
complete procedures to set the outriggers and level
the crane, and procedures to stow the outriggers.
NOTE: Outrigger controls are only enabled when the
engine is on, the parking brake is applied, the
transmission is shifted to neutral, and four-wheel
low is selected.
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