Knauer BlueShadow Detector 40D, Инструкция по эксплуатации

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55 Maintenance and care
BlueShadow Detector 40D Instructions V7647
8.4.3 Cleaning the light guide of a preparative flow cell
The preparative flow cells have a rod shaped light guide instead of the
concave lens of the analytical cells .
Flow cell is removed from the detector .
ƒ
Tweezers
ƒ
Allen screwdriver, size 3
Legend
1
Threaded ring
2
Cover
3
Spacer
4
Pressure bushing
5
Light guide with
seal ring
Fig. 18: Preparative flow cell
Procedure Process
1. Using the allen screwdriver, loosen the threaded ring
1
.
2. Remove the cover
2
and the spacer
3
(not part of all flow cells) .
3. Using tweezers, pull out the pressure bushing
4
and the light-
guide
5
.
4. Carefully push the light guide out of the holder and strip off the
seal . The seal ring needs to be renewed during every cleaning of
the fiber optics .
5. Clean the light guide with a clean, soft cloth or with an appropriate
solvent in an ultrasonic bath . Make sure that the clean light guide
is not touched by fingers .
6.
Assemble the flow cell . Make sure that the new seal ring does not
interrupt the light path .
7. Using the allen screwdriver, tighten the threaded ring
1
with a
torque of 1 .1 Nm .
The light guide has been cleaned .
Prerequisite
Tools
1 2 4 3 5
Result