6.1.9 Switching off
WARNING!
Risk of injury due to hot pump parts!
–
Use personal protective equipment during all work on the pump.
–
Allow the pump to cool prior to work.
1.
Switch off motor. Maintain the following functions, if present:
n
Sealing system
n
Cooling water supply until pump operating temperature has dropped
below 100 °C.
2.
Close inlet and outlet side valves.
3.
If present and permitted in the process, switch off heating.
n
The conveyed medium must not solidify.
4.
At operating temperature, check coupling alignment and realign motor if
Chapter 5.5 ‘Aligning the pump unit’ on page 32
).
5.
Check all connecting screws and tighten if necessary.
6.2 Operation
NOTICE!
Irreparable damage to the pump system due to throttling on the
outlet side!
–
Severe loading of the pump due to liquid sludge with throttling
on the outlet side.
–
Never operate the pump against a closed or partially closed
valve in the outlet line.
–
Never throttle the outlet side.
6.2.1 Preparing for operation
n
With heating: Switch on pump heating at least 2 h before commis-
sioning.
n
Prepare auxiliary operating systems (
Chapter 6.1.5 ‘Preparing auxil-
iary operating systems (if present)’ on page 48
n
Clean / sterilise the pump, if necessary (
).
n
Chapter 6.1.7 ‘Filling and bleeding’
n
Ensure that the pumped medium is at the operating temperature (
Pump data sheet).
6.2.2 Switching on
n
First commissioning correctly completed (
Chapter 6.1 ‘Performing initial
n
Operation correctly prepared.
If necessary, carry out the following
steps:
Prerequisite:
Operation
Type SLH-4G, SLHS-4G
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01/2016 JPB Rev. 5