9
Safety instructions
2.2.1 Personal responsibility
Ensurethatonlyauthorizedandskilledpersonnelworkswiththe
equipment.Thisisparticularlyimportantwithregardtotrouble‑
shootingandremedy.
> Carefullyreadtheseinstructionsforrepairbeforestarting
work.
> Replacewearpartsregularly.
> Neveroperateadefectiveordamageddevice.
> Personalsafetyhastoppriority!
> Alwaysbeconsciousofsafety.
> Observetheowners‘directivesatwork,thenationalaccident
preventionregulationsandoccupationalsafetyprovisions.
2.2.2 Eliminate sources of danger
Only use the vacuum system when it is in proper working
condition.
> Carryoutmaintenanceandrepairoutsidethehazardous
area,i.e.,outsidepotentialexplosiveatmospheres.
Theownermustdetermineadditionalprotectivemeasurestoen‑
sure safe personal protection if work has to carry out inside a
hazardousarea.
> Observetheoperatinginstructionsoftheowner.
> Switchothedevicepriortomaintenanceandrepair.
> Securethedeviceagainstrestarting.
Partsmaycarrydangerousvoltagesforsomeminutesevenwhen
thedeviceisswitchedo.
Toavoidfatalinjuriestonotcarryoutanyworkduringthisperiod.
> Markactivitiesatthedeviceappropriately,e.g.usinga
instructionplate.Ensurethattheinstructionplateisavailable
alsoduringtemporaryinterruption.
> Afterwardsrestoretheprotectiveequipmentimmediately,if
youhavedeactivatedsafetyfunctionsandprotectiveequip‑
mentduetomaintenanceorrepairwork.
Dangerousvoltage
Qualicationand
personal
responsibility
Safe work
Useonlyinproper
workingcondition