Manitowoc Grove GRT8120, Operator'S Manual

Page: 155 / 448

Grove
Published 3-22-2021, Control # 702-02
4-25
GRT8120 OPERATOR MANUAL OPERATING PROCEDURES
4
Single Axis Controller (Optional) (Crane not Equipped with
Auxiliary Hoist)
1. Push the Telescope Enable/Disable Switch on right
armrest to enable the boom telescope function.
The Telescope Enable Indicator in the Status Bar area
(Figure 4-73) of the Operator Display Module (ODM) will
come on (green).
2. Push inner controller on left armrest forward and hold to
extend the boom.
3. When boom gets to the desired length, let controller
return to the center (neutral) position to stop extending
the boom.
Single Axis Controller (Optional) (Crane Equipped with
Auxiliary Hoist)
1. Push the Telescope Enable/Disable Switch on right
armrest to enable the boom telescope function.
The Telescope Enable Indicator in the Status Bar area
(Figure 4-73) of the Operator Display Module (ODM) will
come on (green).
2. Push inner controller on right armrest forward and hold
to extend the boom.
3. When boom gets to the desired length, let controller
return to the center (neutral) position to stop extending
the boom.
Retracting the Boom
Dual Axis Controller (Crane not Equipped with Auxiliary
Hoist)
1. Push the Telescope Enable/Disable Switch on right
armrest to enable the telescope function.
The Telescope Enable Indicator in the Status Bar area
(Figure 4-73) of the Operator Display Module (ODM) will
come on (green).
2. Push controller on left armrest rearward and hold to
retract the boom.
3. When boom gets to the desired length, let controller
return to the center (neutral) position to stop retracting
the boom.
Dual Axis Controller (Crane Equipped with Auxiliary Hoist)
1. Push the Telescope Enable/Disable Switch on right
armrest to enable the telescope function.
The Telescope Enable Indicator in the Status Bar area
(Figure 4-73) of the Operator Display Module (ODM) will
come on (green).
2. Push controller on right armrest to the left and hold to
retract the boom.
3. When boom gets to the desired length, let controller
return to the center (neutral) position to stop retracting
the boom.
Single Axis Controller (Optional) (Crane not Equipped with
Auxiliary Hoist)
1. Push the Telescope Enable/Disable Switch on right
armrest to enable the telescope function.
The Telescope Enable Indicator in the Status Bar area
(Figure 4-73) of the Operator Display Module (ODM) will
come on (green).
2. Push inner controller on left armrest rearward and hold
to retract the boom.
3. When boom gets to the desired length, let controller
return to the center (neutral) position to stop retracting
the boom.
Single Axis Controller (Optional) (Crane Equipped with
Auxiliary Hoist)
1. Push the Telescope Enable/Disable Switch on right
armrest to enable the telescope function.
The Telescope Enable Indicator in the Status Bar area
(Figure 4-73) of the Operator Display Module (ODM) will
come on (green).
2. Push inner controller on right armrest rearward and hold
to retract the boom.
3. When boom gets to the desired length, let controller
return to the center (neutral) position to stop retracting
the boom.
DANGER
Crushing Hazard!
When retracting the boom, the load will lower unless the
hoist rope is taken in at the same time