Metrohm 807 Dosing Unit - Manual (Page 30)

3.7 Disassembling the dosing unit
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807 Dosing Unit
Removing the housing
Figure 15 Removing the housing
Remove the housing of the dosing unit as follows:
1 Place the dosing unit on a flat, level surface.
The lettering of the volume specification faces towards the front.
2 Keep the locking button of the spring clip pressed down.
3 Rotate the housing by approx. 1 cm to the right (in counterclockwise
direction).
4 Release the locking button.
5 Carefully raise the housing upward.
You will now see the complete cylinder unit with the transparent
centering tube which rotates on the distributor with the interior dos-
ing cylinder when the flat stopcock is switched.