OPERATING PROCEDURES TMS9000-2 OPERATOR MANUAL
4-64
Published 02-21-2019, Control # 611-05
Main boom intermediate length
A main boom intermediate length is reached if not all
telescopic sections are locked to fixed lengths.
Extend the main boom to the required length before hoisting
the load.
Main boom telescoping length
The main boom is at a telescoping length if it is extended to
an intermediate length and may be telescoped with the
current load. The size of the load that can be telescoped
depends on the angle of inclination and on the degree of
lubrication of the main boom.
Telescoping
The position of the telescopic sections, i.e. which telescopic
section is extended to what extent, is referred to as
telescoping or the actual telescope picture.
This section only deals with the displays on the RCL. The
telescoping is also shown on the CCS display, refer to
Telescoping the telescopic section, page 4-69.
The RCL displays main boom fixed lengths and main boom
intermediate/telescoping lengths in different ways.
Telescoping sequence
The telescopic sections can only be telescoped individually,
one after the other.
When extending you must always extend the telescopic
section with the highest numbering first, then the telescopic
section with the second highest numbering, etc. (e.g. IV, III,
II, I).
The telescopic sections are always retracted in the reverse
order of extending.
Inspections prior to starting operations
When the ignition is turned on, CCS registers the displayed
telescoping status from the current status of the telescoping
mechanism and the previously saved locking and unlocking
procedures.
Normally, CCS detects differences between the current and
the displayed telescoping and displays the corresponding
error message.
If a malfunction results in saved values being deleted, CCS
can no longer calculate the current telescoping and may not
issue an error message.
Before the first telescoping, compare the telescoping
indicated on the CCS display with the current telescoping.
Switching on the telescoping mechanism
After the ignition is switched on, all of the power units will be
switched off and the lamps in the corresponding buttons will
light up only dimly.
• Press the button on the right hand armrest (1,
Figure 4-116) once.
- The lamp in button (1) will light up brightly.
- The symbol (2) will be green if the telescoping
mechanism is switched on.
Function of the control lever
This section only describes the function of the control lever.
Before telescoping, a number of prerequisites need to be
fulfilled as well.
CAUTION
Telescope mechanism damage!
If the telescope system position is different from the
current telescoping shown on the display, damage could
occur during operation of the telescope system.
Ensure that the actual indicated telescope status matches
the current telescope position.
WARNING
Risk of accidents due to unexpected crane
movements!
In the case of multiple configuration, check whether the
control lever function Telescoping is switched on before
you move the control lever.
This prevents accidents caused by unexpected lifting/
lowering.
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