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5 Operation and maintenance
942 Extension Module Vario SeS/PP (2.942.0500)
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37
5.2.2
Servicing the peristaltic pump
5.2.2.1
Replacing the pump tubing
Pieces of pump tubing inserted into the peristaltic pump are consumables
with a limited service life.
Pieces of pump tubing with 3 stoppers are tensioned in the tubing car-
tridge so that they end up positioned between two stoppers. This results
in two possible positions for the tubing cartridge. Once the pump tubing
exhibits significant signs of wear, it can be tensioned a second time in the
other respective position.
Maintenance interval
Replace the pump tubing every 2 months.
Replace the pump tubing every 4 weeks if the peristaltic pump is being
used continuously.
5.2.2.2
Replacing the filter
The filters inserted into the pump tubing connection with locking nut and
filter (6.2744.180) must be replaced regularly.
Maintenance interval
We recommend replacing the filters (6.2821.130)
months. The filters may need to be replaced more frequently, depending
on the application.
Accessories
For this step, you need the following accessories:
￭
1 filter from the spare filter set (6.2821.130)
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2 adjustable wrenches (6.2621.000)
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Tweezers