page 18 of 96Safety during operation➨ Adopt suitable measures to prevent the release of dan-gerous, toxic, explosive, corrosive, noxious or pollut-ing fluids, vapors and gases. To prevent any emissionof such substances from the pump outlet, install anappropriate collecting and disposal system and takeprotective action for pump and environment.➨ You must take suitable precautions to prevent any for-mation of explosive mixtures in the pump chamber orat the outlet of the pump. In case, e.g., of a diaphragmfailure, mechanically generated sparks, hot surfacesor static electricity may ignite these mixtures. Use inertgas for gas ballast or venting, if necessary.➨ Drain appropriately or otherwise remove any poten-tially explosive mixtures at the outlet of the pump, ordilute them to non-explosive concentrations.➨ Never operate this pump if it has a damaged cord orplug.+ If the pump is not working properly, has been droppedor has fallen into water, contact your pump service pro-vider.+ Prevent any part of the human body from coming intocontact with vacuum.+ If there is an exhaust isolation valve, make sure that youcannot operate the equipment with the valve closed toavoid a risk of bursting!+ Always provide a free and pressureless exhaust outletto avoid damage to pump valves and risk of bursting.+ Check the overpressure safety relief device at the ex-haust waste vapor condenser at appropriate intervals.+ Comply with applicable regulations when disposing ofchemicals. Take into consideration that chemicals maybe contaminated. Take adequate precautions to pro-