Grove Published 3-23-2020, Control # 654-04 4-31
GRT655/655L OPERATOR MANUAL OPERATING PROCEDURES
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. Pull controller on right armrest rearward and hold to
raise 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 raising the main hoist rope.
NOTE: When the main hoist controller is pulled rearward to
raise the rope, the Hoist Rotation Indicator (28,
Figure 3-8) pulses and the Main Hoist Raise
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. Pull outer controller on right armrest rearward and hold
to raise 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 raising the main hoist rope.
NOTE: When the main hoist controller is pulled rearward to
raise the rope, the Hoist Rotation Indicator (5,
Figure 3-9) pulses and the Main Hoist Raise
Indicator (45, Figure 4-18 and Figure 4-19) comes
on to indicate to the operator that the main hoist is
operating.
Lowering and Raising the Auxiliary 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 Auxiliary Hoist Rope
Dual Axis Controllers
1. Press the Auxiliary Hoist Enable/Disable Switch to
enable the auxiliary hoist function.
The Auxiliary Hoist Enable Indicator (46, Figure 4-18
and Figure 4-19) will come on (green).
2. Push controller on left armrest forward and hold to lower
the auxiliary 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 auxiliary hoist rope.
NOTE: When the auxiliary hoist controller is pushed
forward to lower the rope, the Hoist Rotation
Indicator (28, Figure 3-8) pulses and the Auxiliary
Hoist Lower Indicator (46, Figure 4-18 and
Figure 4-19) comes on to indicate to the operator
that the auxiliary hoist is operating.
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.
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