Seal Wear-In Procedure - Agilent Technologies 1260 Infinity VL User Manual

9
Maintenance

Seal Wear-in Procedure

Seal Wear-in Procedure

Parts required p/n
0100-1847
5022-2159
Seal damage
C A U T I O N
This procedure is required for black PTFE seals (standard applications, p/n 5063-6589),
but it will damage the yellow PE seals (normal phase applications, p/n 0905-1420).
➔
Before replacing your solvent by isopropanol or replacing isopropanol by your solvent,
N O T E
consider solvent miscibility. For example, do not directly switch from buffers to isopropanol
and vice versa.
1 Place a bottle with 100 mL of isopropanol in the solvent cabinet and put a
2 If an active inlet valve is installed, screw the PEEK adapter 1/4-28 to 10-32
3 Connect the Restriction capillary (p/n 5022-2159) to the purge valve.
4 Open the purge valve and purge the system for 5 min with isopropanol at a
5 Close the purge valve and set the flow to a rate adequate to achieve a
6 Turn OFF the pump, slowly open the purge valve to release the pressure
7 Rinse your system with the solvent used for your next application.
8 Replace the purge valve frit, see
130
Description
Adapter AIV to solvent inlet tubes
Restriction capillary
Do not run the seal wear-in procedure if PE seals are installed in the pumphead.
tubing (including bottle head assembly) into the bottle.
(p/n 0100-1847) to the AIV and connect the inlet tube from the bottle head
directly to it.
Connect its other end to a waste container.
flow rate of 2 mL/min.
pressure of 350 bar. Pump 15 min at this pressure to wear in the seals. The
pressure can be monitored using your instrument control software or tool.
from the system, disconnect the restriction capillary and reinstall the bottle
with the solvent for your application.
page 117.
"Exchanging the Purge Valve Frit"
1260 Infinity QuatPump VL User Manual
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