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1
2
3
4
5
6
7
1. Screw lids
2. Lid for locating
3. Big seal packing collars
4. Small seal packing collar
5.Filter paper
6. Dust filter seat
7. Analyzing box
Fig.4 Assembly drawing for dust filter
2. Replacement for paper
The instrument has been installed scroll while it leaves the factory. If the paper has been
used up and needs replacing, please do as following:
（
1
）
Open the door of paper box. Press the above place of the box and it will open
automatically. If it cannot open totally, please use your hand to help to pull it open as far as
possible to the great angle.
(2) Take out plastic support that is loaded with scroll (as picture 5 to install plastic support
of scroll).
Push the paper axial up, and then take it out
