Grove Published 3-23-2020, Control # 654-04 3-13
GRT655/655L OPERATOR MANUAL OPERATING CONTROLS
When the Operator Display Module (ODM) is set to the
Outrigger Group screen, the outrigger beams or jacks are
extended by pressing and holding any or all of the four
buttons at the Jog Dial or Navigation Control Pad while, at
the same time, pressing and holding the front of the
Outrigger Extend/Retract Switch switch
The outrigger beams or jacks are retracted by pressing and
holding any or all of the four buttons at the Jog Dial or
Navigation Control Pad while, at the same time, pressing
and holding the rear of the Outrigger Extend/Retract Switch
switch
NOTE: Pressing and holding the switch will change the
ODM screen display to the Outrigger Group
screen.
Differential Lock On/Off Switch (Optional)
The Differential Lock Switch (8, Figure 3-8) is located on the
left armrest. It engages the differential lock function for
additional traction when Four Wheel Drive is selected. It can
be activated for a maximum of 30 seconds at a time.
NOTE: Differential lock only operates when the crane is in
4WD mode.
When the differential lock is engaged, the Differential Lock
Indicator (20, Figure 4-18 and Figure 4-19) on the Operating
Display Module (ODM) comes on (amber).
Pressing and holding the Differential Lock Switch engages
the differential lock. Releasing the switch disengages the
differential lock. Refer to Differential Lock Operation
(Optional), page 4-21 for information on how and when to
actuate the differential lock.
Rear Steer Switch
The Rear Steer Control Switch (9, Figure 3-8) is a
three-position, spring centered to off, rocker switch, located
on the left armrest. Pressing and holding the rear of the
switch turns the rear wheels to the left, causing the crane to
turn to the right. Pressing and holding the front of the switch
turns the rear wheels to the right, causing the crane to turn to
the left. Releasing the switch causes the switch to return to
the center off position.
When the rear wheels are not centered, the Rear Wheels
Not Centered Indicator (18, Figure 4-18 and Figure 4-19) on
the Operating Display Module (ODM) comes on (amber).
If the rear wheels are turned to the left, straighten the rear
wheels by pressing the front of the switch (turns the wheels
right) until the Rear Wheels Not Centered Indicator goes off.
If the rear wheels are turned to the right, straighten the rear
wheels by pressing the rear of the switch (turns the wheels
let) until the Rear Wheels Not Centered Indicator goes off.
Auxiliary Hoist Enable/Disable Switch
The Auxiliary Hoist Enable/Disable Switch (10, Figure 3-8) is
a momentary switch that is located on the left armrest.
Pressing the switch one time enables the auxiliary hoist and
pressing the switch again disables the auxiliary hoist.
Pressing the switch twice rapidly enables the auxiliary hoist
at high speed. Pressing and holding the switch for
approximately 2 seconds also enables high speed.
The Auxiliary Hoist Enable/Disable Indicator (46, Figure 4-18
and Figure 4-19) on the Operating Display Module (ODM)
comes on (green) when the auxiliary host function is enabled
and it goes off when the auxiliary hoist function is disabled.
The Auxiliary Hoist High Speed Indicator (46, Figure 4-18
and Figure 4-19) on the Operating Display Module (ODM)
comes on when the high speed function is enabled.
Boom Telescope Enable/Disable Switch
The Boom Telescope Enable/Disable Switch (11, Figure 3-8)
is a momentary switch that is located on the left armrest.
Pressing the switch one time enables the boom telescope
function and pressing the switch again disables the boom
telescope function.
The Telescope Enable/Disable Indicator (43, Figure 4-18
and Figure 4-19) on the Operating Display Module (ODM)
comes on (green) when the telescope function is enabled
and it goes off when the telescope function is disabled.
Cab Tilt Switch
The Cab Tilt Switch (12, Figure 3-8) is located on the left
armrest. It is a three-position, spring center to off, rocker
switch which is used to position the cab upward for easy
viewing of an elevated boom and load. Pressing the rear of
the switch tilts the cab upward and pressing the front of the
switch tilts the cab downward.
When the cab is tilted upward, the Cab Not Fully Lowered
Indicator (33, Figure 4-18 and Figure 4-19) on the Operating
Display Module (ODM) comes on (amber).
NOTE: The cab must be in the fully lowered position for
drive functions to be enabled.
Swing Enable/Disable Switch
The Swing Enable/Disable Switch (13, Figure 3-8) is a
momentary switch that is located on the left armrest.
Pressing the switch one time enables the swing function and
pressing the switch again disables the swing function.
The Swing Enable/Disable Indicator (42, Figure 4-18 and
Figure 4-19) on the Operating Display Module (ODM) comes
on (green) when the swing function is enabled and it goes off
when the swing function is disabled.
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