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Appropriate and intended use
Foreseeable misuse
9
© Lutz-Jesco GmbH 2015
Subject to technical changes.
150225
BA-10221-02-V03
Stepper Motor-driven Diaphragm Dosing Pump
MAGDOS LK
Operating Instructions
n
Through-suction at installation without back-pressure valves
n
Damage due to undamped acceleration mass forces
n
Exceeding the admissible pressure on the suction and discharge sides
n
Using damaged parts
3.6.3 Faulty electrical installation
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Connecting the mains voltage without a protective earth
n
Unsecured mains or one that does not conform to standards
n
Not possible to immediately or easily disconnect the power supply
n
Wrong connecting cables for mains voltage
n
Dosing pump accessories connected to wrong sockets
n
Protective earth removed
3.6.4 Faulty commissioning
n
Commissioning with damaged plant
n
Shut-off valves closed at commissioning
n
Closed suction or pressure line, e.g. due to blockages
n
Personnel was not informed before commissioning
n
System was recommissioned after maintenance without all the
protective equipment and fixtures, etc. being reconnected.
n
Inadequate protective clothing or none at all
3.6.5 Faulty operation
n
Protective equipment not functioning correctly or dismantled
n
Modification of the dosing pump without authority
n
Ignoring operational disturbances
n
Elimination of operational disturbances by personnel without
adequate qualifications
n
Deposits in the dosing head due to inadequate purging, particularly
with suspensions
n
Bridging the external fuse
n
Operation made more difficult due to inadequate lighting or machines
that are difficult to access
n
Operation not possible due to dirty or illegible display of the dosing
pump
n
Delivery of dosing media for which the system is not designed
n
Delivery of particulate or contaminated dosing media
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Inadequate protective clothing or none at all
3.6.6 Faulty maintenance
n
Carrying out maintenance during ongoing operation
n
Carrying out work that is not described in the operating instructions
n
No adequate or regular inspection of correct functioning
n
No replacement of damaged parts or cables with inadequate
insula tion
n
No securing against reactivation during maintenance work
n
Using cleaning materials that can cause reactions with the dosing
media
n
Inadequate cleaning of the system
n
Unsuitable purging medium
n
Unsuitable cleaning materials
n
Cleaning materials left in system sections
n
Using unsuitable cleaning equipment
n
Using the wrong spares or lubricants
n
Contaminating the dosing medium with lubricant
n
Installing spares without following the instructions in the operating
manual
n
Blocking venting orifices
n
Pulling off sections of the plant
n
Contamination at installation without a dirt trap
n
Mixing up the valves
n
Mixing up the sensor lines
n
Not reconnecting all the lines
n
Damaging or not installing all the seals
n
Not renewing seals
n
Not paying attention to safety data sheets
n
Inadequate protective clothing or none at all
3.6.7 Faulty decommissioning
n
Not completely removing the dosing medium
n
Dismantling lines while the dosing pump is running
n
Device not disconnected from the power supply
n
Using the wrong dismantling tools
n
Inadequate protective clothing or none at all
3.6.8 Faulty disposal
n
Incorrect disposal of dosing media, operating resources and other
materials
n
No labelling of hazardous substances
Содержание MAGDOS LK
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