Safety instructions
2.6 Intended use
A5850-02en Edition 06/2022 21
• Cleaning the outside of the gear unit with a high-pressure cleaning device is not permit-
ted.
• Do not perform any welding work anywhere on the gear unit or connected parts. Do not
use the gear unit or connected parts as an earthing point for electric-welding operations.
Gear parts and rolling-contact bearings may be irreparably damaged by welding.
• Perform potential equalisation in accordance with the applicable regulations and direct-
ives.
If there are no threaded holes on the gear unit for an earth connection, other suitable
measures must be taken. This work must be carried out by specialists in electrical engin-
eering.
• In the case of gear units that are operated in combination with electrical machines that
generate current or through which current flows (e.g. motors and generators), take
measures to ensure that no current can flow through the gear unit.
Current flowing through the gear unit can result in irreparable damage to rolling-contact
bearings and gears. Short circuits, voltage flashovers and deposits of conductive dust, for
example, can all allow current to flow.
Use insulators and earth the gear unit properly.
• When removing any guards, store their fixings in a safe place.
• Removed guards must be re-fitted prior to starting.
• Observe the notices mounted on the gear unit, e.g. rating plate, direction of rotation ar-
row symbol, etc. The notices must be kept free from paint or dirt. Replace missing
plates.
• Screws which have become unusable during assembly and dismantling must be re-
placed with new screws of the same strength class and design.
DANGER
Danger to life when the system is switched on
Death or serious injury will occur.
Always shut down the gear unit and any oil supply system (whether separate or attached
to the gear unit) before you perform any work. Secure the drive aggregate against being
operated accidentally as follows:
• Turn off the key-operated switch.
• Remove the fuses in the power supply.
• Attach an information notice to the start switch, clearly stating that work is being car-
ried out on the gear unit.
• Ensure that the entire system is not under a load to avoid danger during dismantling
work.
Further use of the gear unit
When integrating the gear unit in machines or systems, the machine or system manufacturer
is obliged to include the provisions, instructions and descriptions contained in this set of in-
structions in their machine instructions.
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