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9.13 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
reinstallation) and pull pump out of
cylinder base (37).
»
Open pump bayonet lock.
»
Remove residues from pump and
drain hoses (replace O-ring if requi-
red).
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
connector (no polarisation).
»
Let unit run for 15 to 30 mins, then
check for leakages.
»
in case of leakage turn off power
supply and secure against being
switched on again.
»
Find leakage and eliminate.
»
Check again.
Risk of electrical shock!
Hazardous electrical voltage!
Follow safety instructions for work on live
components.
Leakages may invoke leak currents.
9.14 Inspection of hoses
Since steam and condensate hoses are
prone to wear as well, those hoses should
undergo regular checks as well.
9.15 Functional check
»
Run the system with maximum out-
put for a couple of minutes
»
Check
all
safety devices.
»
Check hose connections and seals
for leakage.
Blow-down pump
32
30
31
33
42
37
WARNING
!
