Manitowoc Grove GRT655 User Manual

OPERATING PROCEDURES GRT655/655L OPERATOR MANUAL
4-30 Published 3-23-2020, Control # 654-04
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)
1. Press the Telescope Enable/Disable Switch to enable
the boom lift function.
The Telescope Enable Indicator (43, Figure 4-18 and
Figure 4-19) 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.
Foot Pedal
1. Press the Telescope Enable/Disable Switch to enable
the boom lift function.
The Telescope Enable Indicator (43, Figure 4-18 and
Figure 4-19) will come on (green).
2. Press the bottom of the Telescope Control Pedal and
hold to retract the boom.
3. When boom gets to the desired length, let foot pedal
return to the center (neutral) position to stop retracting
the boom.
Lowering and Raising the Main Hoist Rope
NOTE: When load is stopped at desired height, the
automatic brake will engage and hold the load as
long as the controller remains in neutral.
Lowering the Main Hoist Rope
Dual Axis Controllers
1. Press the Main Hoist Enable/Disable Switch to enable
the main hoist function.
The Main Hoist Enable Indicator (45, Figure 4-18 and
Figure 4-19) will come on (green).
2. Push controller on right armrest forward and hold to
lower the main hoist rope.
3. When hook block/overhaul ball gets to the desired
height, let controller return to the center (neutral)
position to stop lowering the main hoist rope.
NOTE: When the main hoist controller is pushed forward to
lower the rope, the Hoist Rotation Indicator (28,
Figure 3-8) pulses and the Main Hoist Lower
Indicator (45, Figure 4-18 and Figure 4-19) comes
on to indicate to the operator that the main hoist is
operating.
Single Axis Controller (Optional)
1. Press the Main Hoist Enable/Disable Switch to enable
the main hoist function.
The Main Hoist Enable Indicator (45, Figure 4-18 and
Figure 4-19) will come on (green).
2. Push outer controller on right armrest forward and hold
to lower the main hoist rope.
3. When hook block/overhaul ball gets to the desired
height, let controller return to the center (neutral)
position to stop lowering the main hoist rope.
NOTE: When the main hoist controller is pushed forward to
lower the rope, the Hoist Rotation Indicator (5,
Figure 3-9) pulses and the Main Hoist Lower
Indicator (45, Figure 4-18 and Figure 4-19) comes
on to indicate to the operator that the main hoist is
operating.
Raising the Main Hoist Rope
DANGER
Crushing Hazard!
Keep area beneath load clear of all obstructions and
personnel when lowering or raising rope (load).
DANGER
Crushing Hazard!
Do not jerk controller when starting or stopping hoist.
Jerking controller causes load to bounce, which could
result in possible damage to the crane.
DANGER
Two-Block Hazard!
To avoid death or serious injury, keep load handling
devices away from the tip of the boom or boom extension
when extending or lowering the boom and when hoisting
up.

Manitowoc Grove GRT655 Specifications

General

Brand	Manitowoc
Model	Grove GRT655
Category	Construction Equipment
Language	English