Safety
5
© Lutz-Jesco GmbH 2020
Subject to technical changes.
200318
BA-10491-02-V01
Piston diaphragm dosing pump
MEMDOS KMS LB/LA
Operating instructions
2 Safety
2.1 General warnings
The following warnings are intended to help you to eliminate the dangers
that can arise while handling the dosing pump. Risk prevention measures
always apply regardless of any specific action.
Safety instructions warning against risks arising from specific activities
or situations can be found in the respective sub-chapters.
DANGER!
Mortal danger from electric shock!
Wrongly connected or located cables or damaged ones can injure you.
ð
Only connect the device to an earthed power supply.
ð
Replace damaged cables without delay.
ð
Do not use extension cables.
ð
Do not bury cables.
ð
Secure cables to avoid being damaged by other equipment.
WARNING
Danger from unsuitable materials
The materials of the dosing pump and hydraulic parts of the system
must be suitable for the dosing medium that is used. Should this not be
the case, the dosing media may leak.
ð
Make sure that the materials you are using are suitable for the dos-
ing medium.
ð
Make sure that the lubricants, adhesives, sealants, etc. that you use
are suitable for the dosing medium.
WARNING
Danger of automatic start up!
After connecting the mains supply, residual dosing media in the dosing
head can spray out.
ð
Before connecting the mains supply, connect the dosing lines.
ð
Check that all the screw connections have been tightened correctly
and are leak-proof.
WARNING
Caustic burns or other burns through dosing media!
While working on the dosing head, valves and connections, you may
come into contact with dosing media.
ð
Use sufficient personal protective equipment.
ð
Rinse the dosing pump with a liquid (e. g. water) which does not
pose any risk. Ensure that the liquid is compatible with the dosing
medium.
ð
Release pressure in hydraulic parts.
ð
Never look into open ends of plugged pipelines and valves.
CAUTION!
Danger when changing the dosing medium!
Changing the dosing media can provoke unexpected reactions, dam-
age to property and injury.
ð
Clean the dosing pump and the system parts in contact with the
media thoroughly before changing the dosing medium.
CAUTION!
Increased risk of accidents due to insufficient qualifica-
tion of personnel!
Dosing pumps and their accessories may only be installed, operated
and maintained by personnel with sufficient qualifications. Insufficient
qualification will increase the risk of accidents.
ð
Ensure that all action is taken only by personnel with sufficient and
corresponding qualifications.
ð
Prevent access to the system for unauthorised persons.
2.2 Warnings for use within explosive-risk zones
ATEX certified versions of the dosing pump can be used in explosive risk
areas. The following warnings only apply for use in such areas:
DANGER!
Danger to life through explosions!
Explosions may result which could result in fatal injuries.
ð
Use only ATEX certified versions of the dosing pump in explosive
risk areas (check the information on the ratings plate for this).
