Crane operation
11.3 Crane operation with main boom
Operating Manual GMK6300L 3 112 xxx en 11 - 101
xx.xx.xxxx
11.3.10 Possible movement combinations
– The main hoist, telescoping mechanism, derricking gear and slewing gear
can be operated in almost any combination simultaneously. Restrictions
are specified for the respective power units.
The telescoping mechanism and derricking gear can only be operated
simultaneously when the control lever assignment is from
Version 1;
à p. 9 - 18.
– The auxiliary power units – tilt crane cab, counterweight lifting unit –
cannot be operated with the
Extending movement.
Moving the auxiliary power units in combination with other power units
can result in reductions of speed.
– Lattice extension derricking gear
The lattice extension derricking gear cannot be operated in combination
with the
Extending movement.
H
Certain movement combinations can reduce the speed in high-speed mode.
11.3.11 Hydraulic oil cooling
Depending on the truck crane version, there are one or two hydraulic oil
coolers that regulate the hydraulic oil temperature automatically.
• In addition to this, you should ensure that the maximum permissible
hydraulic oil temperature of 80 °C (176 °F) is not exceeded.
• In the main menu press button (1) once.
This opens the
Monitoring submenu.
The current hydraulic oil temperature is displayed in the
Monitoring 8 sub-
menu. If the maximum permissible temperature has been reached, the bar
below the display will turn red. A warning message is issued additionally;
à Warning submenu, p. 11 - 110.
If the hydraulic oil temperature reaches 80 °C (176 °F):
• Stop operating the crane.
• Let the hydraulic oil cool down while the engine is running.
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