34
Maintenance and Care
KNAUER
10D User Manual V7670, Version 2.3
Cleaning the Lens of an Analytical Flow Cell
Prerequisite
Device has been switched off.
Power plug has been pulled.
Flow cell has been removed.
Tools
Tweezers
Allen screwdriver, size 3
Procedure
1. Using the allen screwdriver, loosen the threaded ring
4
.
2. Using tweezers or by gently tapping on a clean surface,
remove the compression part
3
.
3. The lens
2
is protected by a seal ring
1
. This must be
renewed every time the lens is disassembled.
4. Remove the lens and clean with a clean, soft cloth or with
water in an ultrasonic bath.
5. Afterwards, assemble the flow cell and make sure that the
new seal ring does not interrupt the light path.
6. Using the allen screwdriver, tighten the threaded ring.
Result
Flow cell can be assembled.
What to do when...
If the cleaning of the lens does not have the desired effect, the
lens has to be replaced.
Legend
1
Seal ring
2
Lens
3
Compression part
4
Threaded ring
Fig. 23
Analytical flow cell
1
2
3
4
