QF5050SU; edition 2016-05; page 10 of 18
Never operate the pump without coupling and drive belt cover protection and motor
housing.
Quattroflow pumps can lead to bruises when lifting, sinking or assembling them.
Appropriate accessories and safety equipments are to be used. Big and heavy
modules have to fixed and secured to lifting gears when transporting/replacing them.
Disconnect mains before doing any maintenance! The housing of the control box or
the motor is to be opened only by skilled personnel. Check the electrical cables before
connecting to mains supply.
During all maintenance work it has to be ensured that no explosive atmosphere can
arise. Appropriate protection equipment is recommended. The Quattroflow 5050SU
must not be operated in explosion-proof areas.
Special versions for “ATEX”
applications are available. Please contact the manufacturer.
Attention! Inadmissible modes of operation, arbitrary reconstruction, spare parts production
and/or any changes of the design (without admission of the manufacturer) may cancel the
liability for the consequences resulting there from.