Verderflex Dura 10, Operating Manual

Page: 17 / 28

Dura 5 - 35 4.0v-06.2013 17 | Page
6.2.2
Switching off (Refer to → 6.1.3)
WARNING
Risk of injury due to hot pump parts!

Use personal protective equipment when carrying out
any work on the pump.
NOTE
Damage to hose due to sediments!

If the pumped liquid crystallizes, polymerizes or solidifies
– Flush the hose
– Make sure that the flushing liquid is compatible with
the pumped liquid.
6.3 Shutting down the pump

Take the following measures whenever the pump is
shut down:
Pump is Measure
shut down

Take measures according to the
pumped liquid (→ Table 6
Measures depending on the
behaviour of the pumped liquid).
...dismounted

Isolate the motor from its power
supply and secure it against
unauthorized switch-on.
...put into
storage

Follow t
he storage instructions (→
8 Storage).
Tab. 5 Measures to be taken if the pump is shut down
Behavior of
the pumped
liquid Duration of shutdown (depending
on process)
Short Long
crystallized or
polymerized,
Solids
sedimenting

Flush the
pump.

Flush the
pump,
remove the
hose.
Solidifying
non-corrosive

Heat up or
empty the
pump

Empty the
pump
Solidifying
corrosive

Heat up or
empty the
pump

Empty the
pump.

Treat the
pump with
preservative.
Liquid,
non-corrosive – –
Liquid,
corrosive

Empty the
pump

Empty the
pump

Treat the
pump with
preservative.
Tab. 6 Measures depending on the behavior of the
pumped liquid