English (GB)
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9.4.3 Replacing the gaskets in the electrolysis cells and in
the NaClO solution line
This task must be performed by certified service persons.
1. Push [
].
– The system stops.
2. Flush the system. See section
3. Drain the system. See section
.
4. Before starting work on the system, make sure that the power
supply has been switched off and that it cannot be
accidentally switched on.
5. Remove the electrolysis cells from the Selcoperm electrolyser.
Fig. 77
Replacing the gaskets
6. Replace all O-rings (2) and (3).
7. Grease all O-rings (3) with PTFE grease.
8. Replace all O-rings in the NaClO solution line and the O-rings
of the T-piece. See section
9. Reassemble the cells and tighten screws (1) with a torque
wrench.
– Torque: 20-25 Nm
10. Reinstall all dismantled parts.
11. Perform recommissioned according to section
.
9.4.4 Dismantling and reassembling level switches (1.09,
2.09, 3.09)
A defective level switch can be dismantled and reassembled as
follows.
Fig. 78
Cell outlet level switch
1. Switch off the power supply of the Selcoperm electrolyser
control cabinet and make sure that it cannot be accidentally
switched on.
2. Disconnect the electrical plug connection.
3. Unscrew union nut (3).
4. Remove level switch (4) together with sleeve (6) and lock nut
(5) from support (7).
5. Unscrew lock nut (5).
6. Remove level switch (4) from sleeve (6).
Reassembling
7. Screw in level switch (4) into sleeve (6) by hand until the
switch rests on the bottom of the sleeve.
8. Screw on lock nut (5) and tighten it by hand.
9. Insert level switch (4) together with sleeve (6) and lock nut (5)
into support (7).
10. Screw in union nut (3) and tighten it by hand.
11. Connect the electrical plug connection.
12. Check proper functioning. See section
adjusting cell outlet level switches (1.09, 2.09, 3.09)
TM0
6
808
5 451
6
Pos.
Description
1
Screw
2
O-ring
3
O-ring
1
1
3
2
2
3
1
2
TM0
6
468
5 161
6
Pos.
Description
3
Union nut
4
Level switch
5
Lock nut
6
Sleeve
7
Support
4
5 3 6
7
