16
• Remove the peristal c pump cover,
• Place the roller holder at "10:20" by turning it clockwise,
• Completely free the le� ng by keeping it stretched outwards,
• Then turn the roller holder clockwise to free up the tube as far as the right ng
• Make sure that the roller holder is in the 10:20 posi on.
• Insert the le� ng of the new peristal c tube into its housing.
• Then pass the tube into the roller holder guide.
• Turn the roller holder clockwise and accompany the tube as far as the right ng.
• Re t the peristal c pump cover.
• During winterising, it is recommended to leave the pump in clean water in order to
rinse the peristal c tube by carrying out manual priming (see §"3.4 I Priming the
peristal c pump").
• Then place the roller holder at 6 o’clock to facilitate restar ng.
• Remove the pH sensor from its holder and store it in its original bo le or in a container
lled with tap water.
• Close o the sensor holder if necessary.
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