Safety
Qualified personnel
•
Make sure all personnel tasked with work on the pump
have read and understood this manual and all other appli-
cable documents, especially the safety, maintenance and
repair information, before they start any work.
•
Organize responsibilities, areas of competence and the
supervision of personnel.
•
Make sure trainee personnel only work on the pump under
supervision of specialist technicians.
•
All activities may only be carried out by specialist personnel
with the required qualifications:
Activities
Required personnel
qualifications
Mechanical work
(installation, repairs,
maintenance)
Mechanic
Electro-technical work
(electrical installation)
Qualified electrician
All other work
Instruction from operator
Safety equipment
•
Provide the following safety equipment and verify its func-
tionality:
–
For hot, cold and moving parts: on-site safety guards
for the pump
–
For possible electrostatic charges: provide the neces-
sary grounding
Warranty
•
Obtain the manufacturer’s approval prior to carrying out
any modifications, repairs or alterations during the warranty
period.
•
Only use genuine parts or parts that have been approved
by the manufacturer.
Drive system
For pumps delivered without a drive system, comply with the
following requirements for the drive system:
•
When using three-phase asynchronous motors, observe
IEC 60034-30-1.
•
Power of the drive according to EN ISO 5199 is recom-
mended (EN ISO 5199 also applicable for drives of screw
pumps).
•
When using combustion engines, consult Allweiler.
•
For pumps with stub shaft, connect drive system and pump
directly with stub shaft.
•
Use elastic coupling according to DIN 740-2.
•
Use coupling guard with the following requirements:
–
Fastening elements must be connected to the pump
unit in undetachable design (cannot get lost).
–
Safety distances against the reaching of hazardous
areas according to EN ISO 13857 must be complied
with.
2.2.3
Obligations of personnel
•
All directions given on the pump must be followed (and kept
legible), e.g. the arrow indicating the direction of rotation
and the markings for fluid connections.
•
Pump, coupling guard and components:
–
Do not step on them or use as a climbing aid
–
Do not use them to support boards, ramps or beams
–
Do not use them as a fixing point for winches or sup-
ports
–
Do not use them for storing paper or similar materials
–
Do not use hot pump or motor components as a heating
point
–
Do not de-ice using gas burners or similar tools
•
Do not remove the safety guarding for hot, cold or moving
parts during operation.
•
If necessary, protective equipment that is appropriate for
the respective assignment must be used:
–
Helmet
–
Safety shoes
–
Safety goggles
–
Gloves (min. protection class 3/C)
–
Other protective equipment depending on the
(pumped) liquid
•
Only carry out work on the pump while it is not running.
•
Isolate the motor from its supply voltage and keep it locked
in that state when carrying out any fitting or maintenance
work.
•
Reinstall the safety equipment on the pump as required by
regulations after any work on the pump.
8
NI series
BA-2021.06 en-US
550 113 – 146-900/E
