
 
 
610.44521.40.000 6 / 52 © Gardner Denver Deutschland GmbH
 
 
Safety instructions 
 
WARNING 
Improper use of the pump−motor unit can 
result in serious or even fatal injuries! 
Only operate the pump−motor unit 
for the purposes indicated under "Application 
as directed"! 
with the media indicated under "Application 
as directed"! 
with the values indicated under "Technical 
data"! 
 
WARNING 
Improper use of the pump−motor unit can 
result in serious or even fatal injuries! 
All work on and with the pump−motor unit 
(transport, installation, operation, shut−down, 
maintenance, disposal) may only be carried out 
by trained, reliable expert personnel! 
 
WARNING 
When working on the pump−motor unit, 
there is a danger of injury, e.g. in the form 
of cuts/cutting off, crushing and burns! 
During all work on and with the pump−motor 
unit (transport, installation, operation, 
shut−down, maintenance, disposal) wear 
personal safety equipment (safety helmet, 
safety gloves, safety shoes)! 
 
WARNING 
Hair and clothing can be pulled into the 
pump−motor unit or caught and wound up 
by moving parts! Do not wear long, loose 
hair or wide, loose clothing! Use a hairnet! 
 
DANGER! 
Electrical danger! 
Work on electrical installations may be carried 
out by trained and authorized electricians only! 
 
DANGER! 
Electrical danger! 
Before beginning work on the pump−motor unit 
or system, the following measures must be 
carried out : 
Deenergize. 
Secure against being switched on again. 
Determine whether deenergized. 
Ground and short−circuit. 
Cover or block off adjacent energized parts. 
 
DANGER! 
Electrical danger! 
Do not open the frequency inverter until 
absence of electricity has been ensured! 
 
WARNING 
Danger due to vacuum and gauge pressure: 
sudden escape of media (skin and eye 
injuries), sudden drawing−in of hair and 
clothing! 
Danger due to escaping media: burns! 
Use mounting elements, connections, lines, 
fittings and containers with sufficient freedom 
from leaks and strength for the pressures which 
occur. 
Check the mounting elements, connections, 
lines, fittings and containers for strength, leaks 
and firm seating at regular intervals! 
 
WARNING 
Danger from rotating parts (motor fan, 
impeller, shaft): cutting/cutting off of 
extremities, grasping/winding up of hair and 
clothing! 
Danger due to vacuum and gauge pressure: 
sudden escape of media (skin and eye 
injuries), sudden drawing−in of hair and 
clothing! 
Danger due to escaping media: burns! 
Commissioning and operation only under the 
following conditions: 
The pump−motor unit must be completely 
assembled. When doing so, pay particular 
attention to the following components: 
–the blower cover, 
–the mufflers on inlet and discharge 
connections, 
–the fan guard. 
The pipes and hoses must be connected to 
inlet and discharge connections. 
Inlet and discharge connections and the 
connected pipes/hoses may not be closed, 
clogged or soiled. 
Check the mounting elements, connections 
of the pipe/hose connections, lines, fittings 
and containers for strength, leaks and firm 
seating at regular intervals.