Airo X RT Series, Руководство по эксплуатации и обслуживанию

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Use and Maintenance Manual - X_RT Series Page 71
7.3.12 Operation check and adjustment of platform overload controller
The AIRO self-propelled aerial platforms, X_RT series, are
equipped with a sophisticated platform overload controller.
Normally the overload controller does not require any
adjustments, since it is calibrated in the factory before the
machine is delivered.
This device checks the load on the platform and:
Stops all movements if platform is overloaded by 20%
compared to the rated load (drive and steering stopped with
platform lifted).
With platform in transport position and overloaded by 20%
compared to the nominal load, only lifting is disabled.
Warns the user of the overload condition by means of the
audible alarm and the platform warning light.
By removing the exceeding load, the machine can be
operated again.
Check operation at least once a year.
The overload controller consists of:
Deformation transducer (A) (load cells).
Display (
B
) for system calibration placed on the ground control
panel.
Fig. 31
Operation check of the overload controller:
When platform is completely lowered and with slide-out extension deck retracted, load a charge evenly distributed equal
to the max. nominal load allowed by the platform (paragraph “Technical features”). In this condition all operations should
be possible both from platform and ground control panel.
With platform completely lowered, add to the nominal load an overload of 25% of the rated load and carry out the lifting
operation. In this condition the red alarm light and the audible alarm turn on.
If the platform is at a height from the ground higher than that indicated in chapter “Technical features”, the alarm condition
blocks the machine completely. To operate the machine again, remove the excessive load.
The system needs calibration:
In case of replacement of one of the items composing the system.
When, following an excessive overload, even after removing the excessive load, the danger condition is signalled
anyway.
AS THIS OPERATION IS VERY IMPORTANT IT IS TO BE CARRIED OUT BY SPECIALIZED
TECHNICIANS ONLY.
A
A
A
B
A