Operation
6
Operation
For pumps in potentially explosive atmospheres (
→
ATEX
additional manual)
6.1
Preparing for commissioning
6.1.1
Checking downtimes
Check downtimes (
6.4 Restoring the pump to service,
6.1.2
Filling and bleeding
WARNING
Risk of injury and poisoning due to hazardous fluid!
Use protective equipment for any work on the pump.
Safely collect the
fl
uid and dispose of it in accordance with
environmental regulations.
NOTE
Material damage as a result of dry running
Make sure the pump is
fi
lled properly.
1. If present,
fi
ll and vent self-priming container with
fl
uid.
2. Open the suction-side
fi
tting.
3. Open the pressure-side
fi
tting.
4. Fill pump and suction pipe with
fl
uid.
5. Verify that no pipe connections are leaking.
6.1.3
Preparing auxiliary systems (if present)
The manufacturer accepts no liability for damage aris-
ing due to the installation or use of a third party or
non-approved auxiliary system.
Sealing systems
1. Ensure that the sealing medium is appropriate to mix with
the pumped medium.
2. Ascertain the sealing system
(
→
order-speci
fi
c documentation).
3. Install the sealing system (
→
manufacturer information).
4. Ensure the necessary parameters for the sealing system
(
→
manufacturer information).
5. Ensure that the container pressure is not lower than that
permitted for blocking pressure systems (
→
manufacturer
information).
6.1.4
Check direction of rotation
DANGER
Danger to life from rotating parts.
Use personal protective equipment when carrying out any
work on the pump.
Maintain an adequate distance from rotating parts.
NOTE
Material damage as a result of dry running.
Make sure the pump is
fi
lled properly.
1. Switch on motor for max. of 2 seconds and switch off again
immediately.
2. Check whether the sense of rotation of the motor matches
the direction of rotation on the fan.
3. If the sense of rotation is different: change over the two
phases (
5.5 Electrical connection, Page 18).
300 486
BA-2015.12.16 EN
SHB
19