KSB Vitachrom, Installation & Operating Manual

Page: 42 / 72

7 Servicing/Maintenance
42 of 72
Vitachrom
7.2.2.4 Cleaning the strainer
To prevent contaminants from entering the valves and the mechanical seal
(particulary during commissioning), an additional strainer has been installed in the
quench piping.
CAUTION
Mechanical seals are not flushed sufficiently
Damage to the pump!
▷ Monitor contamination of strainer with suitable means (e.g. differential
pressure gauge).
▷ Clean the strainer at appropriate intervals.
Table 18: Cleaning intervals
Cleaning Interval
Following commissioning Daily
After third check Specify suitable interval as a function of
the degree of contamination.
7.3 Drainage/cleaning
WARNING
Fluids handled, consumables and supplies which are hot and/or pose a health
hazard
Hazard to persons and the environment!
▷
Collect and properly dispose of flushing fluid and any fluid residues.
▷ Wear safety clothing and a protective mask if required.
▷ Observe all legal regulations on the disposal of fluids posing a health hazard.
1. Use the relevant pump connections to drain the fluid handled.
2. Always flush the pump, in particular if it has been used to handle harmful,
explosive and hot fluids or other fluids posing a high risk.
Always flush and clean the pump before transporting it to the workshop.
Provide a cleaning record for the pump.
7.4 Dismantling the pump set
7.4.1 General information/Safety regulations
DANGER
Insufficient preparation of work on the pump (set)
Risk of injury!
▷ Properly shut down the pump set. ( ð Section 6.1.5, Page 32)
▷
Close the shut-off elements in the suction line and discharge line.
▷ Drain the pump and release the pump pressure.
▷ Shut off any auxiliary feed lines.
▷
Allow the pump set to cool down to ambient temperature.