7 Maintenance and Spare parts
7.1 Maintenance
Personnel:
n
Mechanic
n
Qualified electrician
n
Specialist
n
Servicing personnel
NOTICE!
Only original spare parts may be used for maintenance and repairs.
CAUTION!
Dosing pumps may only be serviced by qualified and authorised persons.
DANGER!
Before maintenance, repair or replacement of parts / modules, disconnect the
pump from all voltage sources or disconnect the higher-level control unit from
the power supply and secure it against unintentional restarting.
DANGER!
– Legal regulations and the applicable product data sheets must be taken
into account for all chemicals.
– Personal protective equipment (PPE) should be worn during maintenance
work.
– Clean equipment with a damp cloth only (mild soap if necessary).
Do not splash or hose down the pump!
– No splash water or respectively do not spray the pump!
Maintenance interval at least every 3 months
Recommended inspections:
1. Check suction and pressure line for a tight, leak-free connection.
2. Check suction and pressure valve for contamination and seal tightness.
Ä
Chapter 5.2.1 ‘Connection: Suction and Pressure Lines’ on page 27
3. Check for correct output rate setting.
4. Check mounting screws on pump head (tight fit, 3.75 Nm).
Ä
Chapter 6 ‘Start-up Operations’ on page 30
Maintenance and Spare parts
35 Rev. 5-06.2018
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