Dionex ASE 150, Operator'S Manual

Page: 109 / 176

5 • Service
Doc. 065207-02 9/08
101
8. From behind the needle assembly, route the new source needle and tubing
(P/N 068961) through the two posts on the needle assembly and then to the
front of the needle assembly (see
Figure 5-26 ).
9. With the eye of the source needle facing toward the front of the needle block,
insert the source needle into the middle opening on the needle block (see
Figure 5-26 ), just until it stops.
10. Replace the cover on the needle block and reinstall the screws.
11. Connect the free end of the source needle tubing to the side of the static valve.
12. Follow the instructions on page 74 to reinstall the right-side panel.
13. Turn on the ASE 150 main power switch.
14. Reconnect the gas source at the ASE 150 rear panel and turn on the gas
supply.
Figure 5-26. Routing the New Source Needle to the Needle Block
Be careful when handling the source needle. The tip of the needle is
sharp; in addition, it is fragile and can easily be bent.
Source
Needle
Tubing
Rear of needle assembly Front of needle assembly
Source
Needle
Insert
needle
here