Agilent Technologies 1100 Series Manual de Instruções Página 108

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108
Repairing the Pump
Exchanging the Purge Valve Frit or the Purge Valve
Exchanging the Purge Valve Frit or the
Purge Valve
1 Using a 1/4 inch wrench disconnect the pump outlet capillary at the purge
valve.
2 Disconnect the waste tube. Beware of leaking solvents due to hydrostatic
pressure.
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.
5 Using a pair of tweezers or a toothpick remove the frit
Figure 17 Purge Valve Parts.
When required 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
2
0 with purge valve opened)
Purge valve if internally leaking
Tools required Wrench 1/4 inch
Wrench 14 mm
Pair of tweezers or toothpick
Parts required PFTE frit (pack of 5) 01018-22707
Purge valve G1311-60009
Valve body
Gold seal
PTFE frit
Plastic cap
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