Exchanging The Purge Valve Frit Or The Purge Valve - Agilent Technologies 1200 Series Manual

Exchanging the Purge Valve Frit or the Purge Valve

When Frit – when plunger seals are exchanged or when contaminated or blocked (pressure drop of
> 10 bar across the frit at a flow rate of 5 ml/min of H
Purge valve – if internally leaking
Tools required • Wrench 1/4 inch
• Wrench 14 mm
• Pair of tweezers or toothpick
Parts required #
5
1
Preparations • Switch off pump at the main power switch
• Remove the front cover
1 Using a 1/4 inch wrench disconnect the pump outlet capillary at the purge
2 Disconnect the waste tube. Beware of leaking solvents due to hydrostatic
3 Using the 14 mm wrench unscrew the purge valve and remove it.
4 Remove the plastic cap with the gold seal from the purge valve.
1200 Series Quarternary Pump User Manual
Part number Description
01018-22707 PTFE frit (pack of 5)
G1311-60009 Purge valve
valve.
pressure.
Simple Repairs
0 with purge valve opened)
2
7
Maintenance
85