Q150T Sample Preparation System
10473 - Issue 5 62 Q150T - Instruction Manual
7.5 Glow Discharge Insert
This section describes the installation of the glow discharge insert (Part No. 10837).
WARNING – HIGH VOLTAGES AND HIGH VACUUM
This equipment produces high voltages and high vacuum in its
operation.
Figure 7-9. Glow discharge insert
1. Check the machine is not operating.
2. Press down firmly on the top cover to release the latch.
3. Lift the top cover and rest it against its stop.
4. Turn the two securing buttons to release and remove the installed insert (see
Figure 7-1).
Q150T ES users only: If the insert is a carbon rod type you may have
to remove the rods first (see page 56). To do this, check that the
securing buttons are restraining the insert and open the lid assembly
and rest it against the top cover assembly. Then, using a 2.5mm hex
key, release the rod clamping screws and withdraw the rods. Close the
lid assembly and release the insert by turning the securing buttons.
Now remove the insert.
5. Prepare the glow discharge insert for installation by removing from any packaging,
plastic bags etc. Check the ‘O’ ring in the outer ring of the lid assembly for
damage or debris and clean or replace as required.
6. Remove the shutter by unscrewing the two retaining M3 screws (see Figure 7-10).
Place the insert in position in the outer ring of the lid assembly carefully locating
the M3 screw head in the rim of the insert in the slot to the right of the outer ring.
7. Lock the insert in position by turning the securing buttons until their flanges
overlap the insert.
8. Plug the insert lead into the socket on the hinge assembly.
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