16
9
Maintenance
9.1
Introduction
WARNING
Observe the general safety precautions
for installation, maintenance and repair.
Regular maintenance is necessary for the correct
operation of a pump. Please contact your supplier for
maintenance of the pump.
9.2
Maintaining the pump for an
extended period of non-
operation
Turn the shaft every three months
1
. This protects the
seals from seizure.
Protect the pump if there is a risk of frost. Proceed as
follows:
1.
Close all pump valves.
2.
Drain each pump and/or the system.
3.
Remove all plugs from the pump.
4.
Open the shut-off and fill/air vent plug, if present.
1.
period may vary per application or medium. Please
consult your sales representative for application
details.