GROVE 6-89
TMS9000-2 OPERATOR MANUAL SET-UP AND INSTALLATION
Published 02-21-2019, Control # 611-05
For raising and lowering, the following prerequisites must be
fulfilled:
- Apart from the hook block there is no load on the
lattice extension.
TELESCOPING WITH RIGGED LATTICE
EXTENSION
NOTE: Do not actuate the swing gear when telescoping.
Telescoping is permitted only at main boom angles of
approximately 75° - 80°, depending on the length of the
lattice extension.
OPERATING WITH THE LATTICE
EXTENSION
NOTE: The information in this section also applies to
operation with the boom extension. Observe the
following safety instruction before working with the
boom extension.
NOTE: The hoisting, lowering, swinging, lifting and
telescoping movements are done in the same way
as when operating with the main boom.
Procedure if the Permissible Wind Speed is
Exceeded
Strong winds can over-strain the crane. Therefore, closely
observe the instructions in Table 6-3.
If the maximum permissible wind speed according to the
lifting capacity table is exceeded during the main boom
operation, proceed per the following table:
Table 6-3
Anti-two Block Troubleshooting
NOTE: The information in (Table 6-4) applies to
malfunctions during operation with the 7/10.5 m
(23/35 ft) lattice extension.
Table 6-4
CAUTION
Overload Hazard!
The main boom may become overloaded!
If you telescope the main boom with a rigged lattice
extension or boom extension, you must not rotate the
superstructure at the same time. This prevents the main
boom being subjected to additional side forces and
increased vibration and becoming overloaded.
with wind speed
up to 48 km/h (30 mph)
with wind speed
over 48 km/h (30 mph)
• Set down the load. • Set down the load.
• Swing the
superstructure so that
the main boom creates
as little wind resistance
as possible.
• Fully retract the main
boom.
• Set down the lattice
extension.
Malfunction Cause Remedy
No function of the anti-two block switch
Anti-two block switch not connected Connect the anti-two block switch.
Electrical connection between the
boom head and lattice extension and
between 10.5 m (35 ft) section and 7 m
(23 ft) section is not established.
Establish electrical connection.
Anti-two block switch on the main
boom head not overridden.
Override the anti-two block switch on
the main boom head.
When operating with a 17.7 m (58 ft)
lattice extension or boom extension,
the short-circuit plug is not inserted on
the head of the 10.5 m (35 ft) section.
Insert short-circuit plug.
The main boom cannot be telescoped
with the rigged lattice extension or
boom extension.
The main boom is lifted to such an
angle at which telescoping is not
permissible
Lower the main boom to the required
angle.
The lattice extension angle can not be
changed.
Lifting/lowering mechanism of the
lattice extension is switched off.
Switch ON the lifting/lowering
mechanism of the lattice extension.
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