Maintenance
Safety instructions for maintenance
7821-9001-005
01. October 2019
Special risks involved in maintenance work:
● Serious damage to property might occur if incorrect replacement or wearing
parts are installed.
● If energy sources are switched on unintentionally, this may lead to serious
bodily injury or damage to property.
● Electronic components may be damaged by electrostatic processes.
Note
Only touch the edge of the printed circuit board and avoid static caused for
example by clothing.
On completion of the maintenance work, check that:
● The installation values set before the work was performed have not been
changed by the work (see settings report).
● all screwed connections that were loosened earlier have been tightened.
● All safety devices, guards, tank covers, etc. that were removed previously have
been put back correctly.
● All safety equipment is working perfectly again.
● Have all of the tools, materials and other equipment that were used been
removed from the working area again?
● Operation has been checked after maintenance work has been completed or
parts replaced. Produce a full test report if necessary.