Maintenance TOCII CA72TOC
98 Endress+Hauser
2
#
Warning!
There is a risk of infection when working
with wastewater! For this reason, wear
protective goggles, protective gloves and
protective clothing.
Clean the bypass screen as follows:
1. Shut off the supply of wastewater
(external sample supply).
2. Set the "Online sample/manual
sample" valve to "Manual sample".
Drain the bypass line. Set the valve
back to the previous position.
3. Release the lower and upper thread
adapter nut (items 1 +3).
4. Remove the bypass elbow (item 2).
5. Remove the bypass screen.
6. Clean the bypass screen and the
housing with a brush.
7. Unscreen the vent and open it. Clean
the vent and make sure the bead is
able to move freely.
8. Insert the parts again in the reverse
order.
Make sure that the O-rings (items 7
and 8) are undamaged and are
correctly positioned.
9. Switch the supply of wastewater
back on.
10. Press the [E] key.
Operation starts.
Step Display Description
BYPASS-SCREEN
[E] TO CONFIRM
MAINTENANCE COMPLETED ?
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