Dura 65
17 | Page
Version 1.0v-05/2021
© Verder International B.V
Pump is...
Measure
shut down
u
Take measures according to the
pumped liquid (
g
Table 7
Measures depending on the
behaviour of the pumped liquid).
...dismounted
u
Isolate the motor from its power
supply and secure it against
unauthorized switch-on.
...put into
storage
u
Follow the storage instructions
(
g
3.2 Storage Conditions)
6.2 Commissioning the Pump
6.2.1 Switching ON the Pump
Risk of injury due to running pump!
u
Do not touch the moving parts of a running pump.
u
Do not carry out any repair/ maintenance work on the
running pump.
u
Allow the pump to cool down completely before starting
any work on the unit.
Risk of injury and poisoning due to pumped liquid
spraying out!
u
Use personal protective equipment when carrying out any
work on the pump.
Risk of pulsation when throttling down the suction
flow rate!
u
Fully open the suction-side fitting and
DO NOT use
it to adjust the flow as this could damage the hose.
Checklist:
[
Pump pre-commissioned. (
g
6.1 Pre-commissioning
the Pump)
[
Pump prepared and filled.
1. Open the suction-side and the discharge-side
fittings.
2. Switch on the motor and make sure it is running
smoothly.
6.2.2 Switching OFF the Pump
(Refer to
g
6.1.3)
Risk of injury due to hot pump parts!
u
Use personal protective equipment when carrying out
any work on the pump.
Damage to hose due to sediments!
u
If the pumped liquid crystallizes, polymerizes or solidifies
– Flush the hose
– Make sure that the flushing liquid is compatible
with the pumped liquid.
DANGER
6.3 Shutting Down the Pump
u
Take the following measures whenever the pump is shut
down:
Table 6 Measures to be Taken if the Pump is Shut Down
WARNING
Behaviour of
the Pumped
Liquid
Duration of Shutdown (Depending
on Process)
Short
Long
Crystallized or
polymerized,
solids
sedimenting
u
Flush the
pump
u
Flush the pump,
remove the hose
Solidifying
non-corrosive
u
Heat up or
empty the
pump
u
Empty the
pump
Solidifying
corrosive
u
Heat up or
empty the
pump
u
Empty the pump
u
Treat the pump
with preservative
Liquid,
non-corrosive
-
-
Liquid,
corrosive
u
Empty the
pump
u
Empty the pump
u
Treat the pump
with preservative
Table
7 Measures Depending on the Behaviour of the
Pumped Liquid
6.4 Start-up Following a Shutdown
Period
1. After a prolonged shutdown period, re-commission
the pump as follows:
–
Check the seals and replace them if necessary.
–
Grease the g
earbox adaptor/bearing carrier through
the grease nipple. (
g
7.5)
–
Install or change hose (
g
5.7 Installing the Hose).
2. Carry out all steps as for the initial start-up (
g
6.1 Pre-
commissioning the Pump).
6.5 Operating the Stand-by Pump
Checklist:
[
Stand-by pump is filled with lubricant (
g
5.9 Filling
Pump with Lubricant).
u
Operate the stand-by pump at least once a week to
avoid formation of permanent dents/setting on the hose.
Note
Note
