Simple Repair Procedures

The procedures described in this section can be done with the quaternary pump in place in the system stack.

Table 7

Simple Repair Procedures

 

 

 

 

 

Procedure

 

Typical Frequency

Notes

 

 

 

“Exchanging the Active Inlet Valve

If internally leaking

Pressure ripple unstable, run leak test for

Cartridge or the Active Inlet Valve” on

 

verification

page 103

 

 

 

“Exchanging the Outlet Ball Valve” on

If internally leaking

Pressure ripple unstable, run leak test for

page 106

 

 

verification

“Exchanging the Purge Valve Frit or the

If internally leaking

Solvent dripping out of waste outlet when

Purge Valve” on page 108

 

 

valve closed

“Exchanging the Purge Valve Frit or the

If the frit shows indication

A pressure drop of > 10 bar across the frit

Purge Valve” on page 108

 

of contamination or

(5 ml/min H2O with purge open) indicates

 

 

blockage

blockage

“Exchanging the Pump Seals and Seal

If pump performance

Leaks at lower pump head side, unstable

Wear-in Procedure” on page 112

indicates seal wear

retention times, pressure ripple unstable —

 

 

 

run leak test for verification

“Exchanging the Plungers” on page 115

If scratched

Seal life time shorter than normally

 

 

 

expected — check plungers while changing

 

 

 

the seals

“Installing the Continuous Seal Wash Option” on page 116

If seals show indication of leaks

Leaks at lower pump head side, loss of wash solvent

102

Page 102
Image 102
Agilent Technologies 1100 Series manual Simple Repair Procedures Typical Frequency

1100 Series specifications

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