Dionex ASE 150, Operator'S Manual

Page: 91 / 176

5 • Service
Doc. 065207-02 9/08
83
7. Gently insert the piston into the new seal in the left end plate. Push
the pump cylinder over the O-ring on the left end plate. Push the
pump cylinder over the O-ring on the right end plate.
8. Loosely secure the end plates together with the two bolts removed
previously.
9. Place the assembled pump on a flat surface. Make sure all four
alignment marks on the pump cylinder and end plates are aligned (see
Figure 5-17 ). Press down on the end plates to square them with each
other. The pump should sit evenly on the flat surface without rocking.
10. Tighten the two bolts evenly.
11. Reattach the PC board to the side of the pump.
5.6.5 Reinstalling the Pump and Completing the Procedure
1. Reinstall the pump on the component panel.
2. Reconnect the red gas line to the left press fitting on top of the pump.
Reconnect the transparent blue gas line to the right press fitting.
3. Connect the solvent lines to the inlet and outlet check valve housings.
4. Reconnect the cable to the PC board.
5. Follow the instructions on page 74 to reinstall the right-side panel.
6. Reconnect the gas source at the ASE 150 rear panel and turn on the
gas supply.
Figure 5-17. Alignment Marks on Pump Cylinder and End Plates