42
A.0500.501 – IM-TGGS/05.01 EN (03/2013)
Symptom
Cause
Remedy
Rapid wear of the
mechanical seal
Viscosity too high
36
•
Heat the pump.
Bad de-aerating/ dry running
37
•
Fill pump with liquid
•
Check position of relief valve or top cover.
Temperature too high
38
•
Reduce temperature.
•
Install suitable mechanical seal.
Too long priming period/ dry running
39
•
Reduce suction line.
•
Provide dry running protection.
•
Check maximum allowable dry running speed for
the mechanical seal.
Liquid is abrasive
40
•
Filter or neutralise liquid.
Note!
If symptoms persist, the pump must be taken out of service immediately. Contact your local supplier.
3.20.1 Instructions for re-using and disposal
3.20.1.1 Re-use
Re-use or putting the pump out of service should only be undertaken after complete draining and
cleaning of the internal parts.
Note!
When doing so, observe adequate safety regulations and take environmental protection
measures.
Liquids should be drained and following local safety regulations the correct personal equipment
should be used.
3.20.1.2 Disposal
Disposal of the pump should only be done after it has been completely drained. Proceed according
to local regulations.
When applicable please disassemble the product and recycle the part’s material.