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9.7 Cleaning of blow-down pump
Removal and cleaning
» Remove steam cylinder as descri-
bed in „Removal and reinstallation of
steam cylinder“ section.
» Detach adapter (30) from pump (32).
» Detach electrical cable from pump.
» Unscrew mounting screws from
housing bottom plate (safe vibration
buffer, bolts and washers for rein-
stallation) and pull pump out of cylin-
der base (37).
» Open pump bayonet lock.
» Remove residues from pump and
drain hoses (replace O-ring if
required).
Reinstallation
» Moisten O-ring (33) and insert into
cylinder base (37) horizontal stub.
» Push pump back into cylinder base
and bolt to bottom plate encorpora-
ting the vibration buffer and washers
saved during removal.
» Moisten O-ring (31) and insert into
adapter.
» Slide adapter (30) onto pump stub.
» Refit electrical cable to pump con-
nector (no polarisation).
» Let unit run for 15 to 30 mins, then
check for leakages.
Risk of electrical shock!
Hazardous electrical voltage!
Follow safety instructions for work on live
components.
Leakages may invoke leak currents.
» In case of leakage turn off power
supply and secure against being
switched on again.
» Find leakage and eliminate.
» Check again.
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