Carrying Out Repairs - ProMinent DHV-U Serie Manual De Instrucciones

Carrying out repairs

6 Carrying out repairs
WARNING!
Protect yourself against the feed chem‐
ical in case it is hazardous. Adhere to
the material safety data sheet for the
feed chemical.
WARNING!
Depressurise the pipework and drain.
WARNING!
Empty the back pressure valve and
rinse with a neutral medium.
WARNING!
Only return the unit for repair in a
cleaned state and flushed through - see
"Removing from service"!
Only send the unit together with a com‐
pleted Decontamination Declaration.
The Declaration of Decontamination
constitutes an integral part of an
inspection / repair order. A unit can only
be inspected or repaired when a
Decontamination Declaration is sub‐
mitted that has been completed cor‐
rectly and in full by an authorised and
qualified person on behalf of the oper‐
ator.
The "Declaration of Decontamination"
form can be found at www.promi‐
nent.com.
50
CAUTION!
Elastomer seals can swell.
Hydrocarbon-based grease and
cleaning agents can cause elastomer
seals to swell.
– Do not treat elastomer seals with
cleaning agents.
– Only grease elastomer seals using
silicone-based greases.
CAUTION!
Only FDA: Seals can contaminate the
feed chemical
Seals made of non-FDA-certified mate‐
rial, which have not been professionally
cleaned, can contaminate the feed
chemical.
– Only use the right ProMinent
seals.
– Have the seals professionally
cleaned before use.