Agilent Technologies 1290 Infinity User Manual page 138

8
Test Functions and Calibrations
Pump Leak Rate Test
• Outlet valve not properly assembled
• Leaky piston seals and/or position dependent leaks on the piston
138
• Re-tighten the outlet valve
•
Check the position of the gold seal
•
Remove the SW tubes from the support ring and check for leaks
•
Replace the piston seals and clean the pistons
•
Ensure that seals are lubricated when pushed in
•
Use abrasive mesh >5000 grit
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