Stubbe SHB 100-200, Оригинальное руководство по эксплуатации

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Operation
Take the following measures whenever the pump is shut
down:
Pump is Action
shut down Take measures appropriate for
the
fl uid ( → Table 6 Measures
depending on the behavior of
the pumped liquid, Page 21).
…emptied Close suction and pressure-side
fi tting.
…dismounted Isolate the motor from its power
supply and secure it against
unauthorized switch-on.
…put into
storage Note measures for storage.
Tab. 5 Measures to be taken if the pump is shut down
Duration of shutdown (depending
on process) Behavior of the
pumped liquid
Short
Long
Crystallized or
polymerized,
solids
sedimenting Flush the
pump. Flush the
pump.
Solidifying/
freezing,
non-corrosive Heat up or
empty the
pump and
containers. Empty the
pump and
containers.
Solidifying/
freezing,
corrosive Heat up or
empty the
pump and
containers. Empty the
pump and
containers.
Remains liquid,
non-corrosive
– –
Remains liquid,
corrosive
–
Empty the
pump and
containers.
Tab. 6 Measures depending on the behavior
of the pumped liquid
6.4 Restoring the pump to service
1. Complete all steps as for commissioning
( → 6.2 Commissioning, Page 20).
2. If the pump is shut down for over 1 year, replace elastomer
seals (O-rings, shaft sealing rings).
6.5 Operating the stand-by pump
Stand-by pump fi lled and bled
Operate the stand-by pump at least once a week.
1. Fully open the suction-side fi tting.
2. Open pressure-side fi tting far enough so that the stand-by
pump operating temperature is achieved and heating is
even (
→ 6.2.1 Switching on, Page 20).
300 486 BA-2015.12.16 EN SHB 21