7 cleaning the overflow vessel, Section 5.4.7,  93 – YSI P 700 IQ Analyzer User Manual

Page 93

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P 700 IQ

11

Place the fixing ring on the lower part of the module enclosure
with the installed membrane inset.

12

Insert the V4A countersunk screws and tighten them by hand.
The fixing ring and lower part of the enclosure must be pressed
together and flush (without gap).

13

Remount and secure the clean filter module on the slide.

14

Submerse the filtration unit in the basin or channel.

15

Switch on the filtration pump with the Start/Stop key.

Restarting the

measuring operation

16

Carry out the steps 13…20 in section 5.3.4 Maintenance and
cleaning work on the open P 700 IQ,  73.

5.4.7 Cleaning the overflow vessel

Maintenance interval

12 month (recommended)

Proceed as follows to clean the overflow vessel:

Preparations

1

Carry out the steps 1…11 in section 5.3.4 Maintenance and
cleaning work on the open P 700 IQ,  73.

2

Switch off the filtration pump (with the Start/Stop key, or switch off
the whole analyzer).

3

Keep ready a container to collect the contents of the overflow
vessel.

4

Open the sample intake tube and let the contents of the overflow
vessel drain into the container.

5

Clean the overflow vessel with a brush, water, descaler or deter-
gent.

6

Connect both parts of the sample intake tube with each other.

7

Switch on the filtration pump with the Start/Stop key.

8

Make the filtration pump work for some time to remove the deter-
gents completely.

Restarting the

measuring operation

9

Carry out the steps 13…20 in section 5.3.4 Maintenance and
cleaning work on the open P 700 IQ,  73.

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