Leakages (e.g. at the shaft seal) of hazardous pumping media (e.g. explosive,
toxic, hot liquids) must be disposed of in such a way that any danger for per-
sonnel and the environment is removed. All government regulations must be
observed at all times. Any danger to persons etc. by electrical energy must be
excluded. For details see e.g. regulations of VDE and the local utilities.
2.6 Safety Directions for Maintenance, Inspection and Assembly Work
It is the userʼs responsibility to make sure that all maintenance, inspection and
assembly work is performed exclusively by authorized and qualified experts
sufficiently informed through careful perusal of the Operating Instructions.
The accident prevention regulations must be observed.
Basically, all work on the machine is to be performed while the machine is not
in operation and cut off the power supply. The sequence for shutting the
machine down described in the Operating Instructions must be strictly ob -
served. Pumps or pump units handling hazardous liquids must be decontami-
nated.
Immediately upon completion of the work, all safety and protective equipment
must be restored and activated.
Before restarting the machine, all points contained in chapter "Initial Start-up"
must be observed.
2.7 Unauthorized Changes and Manufacturing of Spare Parts
Any conversion or changes of the machine may only be undertaken after
consulting the manufacturer. Original spare parts and accessories authorized
by the manufacturer guarantee operational safety. Using non-authorized parts
may void any liability on the part of the manufacturer in case of consequential
damage.
2.8 Unauthorized Operation
The operational safety of the machine delivered is only guaranteed if the machi-
ne is used in accordance with the directions contained in Section 1 – General –
of the Operating Instructions. Limits stated in the data sheets may not be ex-
ceeded under any circumstances. Pumps must only be operated within the cha-
racteristics stated.
Cited Standards and other Documentations
DIN 4844 Teil 2
3.
Transportation and Intermediate Storage
3.1 Prolonged intermediate storage in an environment of high humidity and fluctua-
ting temperatures must be avoided. Moisture condensation may damage win-
dings and metal parts. Non-compliance will void any warranty.
The carrying lugs of the motor are only intended to carry the weight of the
motor. A unit consisting of motor and pump must only be lifted by taking it by
the motor and the pump side at the same time.
56
Safety marking;
Safety symbols