120 708-DS / 709-DS Operator’s Manual
5 Maintenance and Troubleshooting
 
6 Carefully lower the drive unit of the 708-DS / 709-DS until each 
sample cannula is submerged in the cleaning solution of the rinse 
tray.
7 Activate the pump configured with the system until the tubing is 
sufficiently cleansed.
8 Raise the manifold and drive unit.
9 Remove the rinse tray and properly dispose of the rinsing solution.
10 Lower the shafts to their appropriate location.
Rinse Cups (Optional)
If the Agilent 708-DS / 709-DS is configured with a sampling manifold, 
the sample lines require a routine rinsing after each test. Easy-to-attach 
rinse cups are available to make the flushing of the tubing simple and 
efficient. 
1 Fill the rinse cups with the cleaning solution desired and attach a cup 
to each shaft.
Figure 28 Rinse Cup 
2 The sample cannulas must be sufficiently immersed in the solution. 
The return cannulas can either be contained in the cup or allowed to