VT50 – Safety
2.4 Safety indications for the installation of electrical devices
Modern farming implements use electronic components and parts the operation of
which can be compromised by electro-magnetic interference from other devices.
Such effects can endanger people if the following safety indications are not
observed.
In the event of retrofitting electric and electronic devices, and/or components, in an
implement with connection to the on-board network, the user must independently
verify whether the installation interferes with vehicle electronics or other
components. This is, in particular, applicable to the electronic interference of:
• Electronic hoisting gear control
• Front hoisting gear
• Power take off
• Engine and gears
It must be ensured in particular that the retrofitted electric and electronic
components comply with the EMC Directive 89/336/EC in its respectively valid
version and that they bear the CE marking.
In order to retrofit mobile communication systems (e.g. radio, telephone), it is
important to meet the following requirements:
• Only devices may be installed which are approved in accordance with valid
farming regulations (e.g. BZT (Federal Office for Approval in
Telecommunications) approval in Germany).
• The device must be properly installed.
• The operation of portable or mobile devices inside the vehicle is only
permitted using a connection to a properly installed external aerial.
• The transmitting part must be installed physically and separately from the
vehicle electronics.
• When fitting the aerial it must be ensured that the installation is correctly
executed with a good earth connection between the aerial and vehicle earth.
The implement manufacturer's installation instructions must also be used for the
wiring and installation as well as for the maximum permitted power consumption.
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