3.4.1
Install into an AUTO 306
In the procedure below I refer to Figures 4 and 5.
1,
Switch-off and disconnect the electrical supply from the AUTO 306 and any accessories
fitted to it.
2. Turn off and drain the cooling-water from the AUTO 306.
3. Remove the nut and washer (Figure 4, item 8 and 9) from the lead through of the Water
Cooled Crystal Holder.
4. Check that the 'a ring (Figure 4, item 10) is clean and that it is correctly seated in the grove
on the lead through.
s. Fit the lead through in the selected baseplate lead through hole. Refit the nut and washer
removed previously to secure the leadthrough in place. Tighten the nut to form a
mechanically secure and leak-tight seal.
6. Position the Water Cooled Crystal Holder in its operating position; gently bend and expand
the coiled copper tubes if necessary. Do not bend the copper tubes close to their junction
with the leadthrough as the tubes may fracture.
7. If you want to attach the crystal head to the nearby support, screw your bracket to the back
of the crystal head and fix it to the support
8. Tie the coaxial cable from the crystal head to the copper tubes to ensure that it does not touch
other chamber components.
9. Measure the distance from the bottom of the leadthrough to the point at which you will cut
the AUTO 306 water hoses.
10. Cut two water hoses (Figure 5, items 4 and 9) to the required length from the nylon tube
supplied. Cut the ends of the tube perpendicular to the axis of the tube.
11. Carefully cut into the water supply and return hoses inside the AUTO 306 cabinet. Ensure
that you cut the ends of the tube perpendicular to the axis of the tube.
12. Fit the 'T' pieces (supplied with the Water Cooled Crystal Holder} to the ends of the
AUTO 306 water hoses (Figure 5, item 5}.
13. Note which of the cooling-water connectors on the bottom of the leadthrough has the water
filter fitted in it (Figure 4, item 13). Connect the two quick-fit couplings (Figure 5, items 3
and 10) to the cooling-water connectors on the underside of the leadthrough.
14. Insert the prepared water hoses between the 'T' pieces and the quick-fit coupling on the
leadthrough. Ensure that the connections are correctly made, with the cooling-water supply
connected to the connector which contains the filter (3).
15. Outside the chamber, connect the Water Cooled Crystal Holder to the Oscillator Unit using
the shorter of the two coaxial cables supplied with the Oscillator Unit (refer to Figure 2 and
Section 3.5).
16. Reconnect the water supply to the A UTa 306 and check that there are no leaks from the new
connections.
10
Water Cooled Crystal Holder
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