© 2015 Adolf Nissen Elektrobau GmbH + Co. KG
Maintenance
Variable Message Sign
26
5
Maintenance
5.1
Safety
Basics:
WARNING!
Risk of injury through improperly carried out maintenance work
Improper maintenance can lead to severe injury to personnel or material damage.
For this reason:
·
Before beginning work, make sure there is sufficient space for installation.
·
Ensure orderliness and cleanliness at the installation location! Loose components and tools that are lying
on top of one another or scattered about are sources of accidents.
·
If components were removed, make sure the new components are correctly installed, install all
attachment elements again and follow the tightening torque specification for screws.
Personnel:
Unless otherwise specified, maintenance work can be carried out by the operator.
As a basic principle, work on the electrical system must only be carried out by electricians.
Personal protective gear:
For maintenance work at the place of use, the following protective gear is also recommended:
·
Reflective warning vest
DANGER!
Mortal danger due to electric current
Contact with live components results in mortal danger. Activated electric components can carry out
uncontrolled movements and cause serious injuries.
For this reason:
·
Switch off the electricity supply before beginning work and secure against being switched on again.
DANGER!
Mortal danger due to unauthorised switch-on!
During maintenance work there persists danger due to unauthorised switch-on of the power supply.
For this reason:
·
Switch off the main switch before starting work.
Environmental Protection:
Observe the following regarding environmental protection during maintenance work:
Batteries:
Batteries contain toxic heavy metals. They are subject to treatment as hazardous waste and must be
handed over to communal collection points or disposed of by a specialist company.
