Manual Injector; Overview Of Maintenance Procedures; Flushing The Manual Injector - Agilent Technologies 1220 Infinity II LC User Manual

Manual Injector

Overview of Maintenance Procedures

Table 45
Procedure
Flushing the injector
Exchanging the injection-valve
seal

Flushing the Manual Injector

The use of aqueous buffers or salt solutions can lead to crystal formation.
C AU T I O N
Crystal formation may cause scratches on the injection seal.
➔
1 Switch the valve to the INJECT position.
2 Use the pump to flush the sample loop and seal grooves.
3 Use the needle-port cleaner (supplied with the valve) and syringe to flush
1220 Infinity II LC System User Manual
Overview of maintenance procedures
Always rinse the valve with water after using aqueous buffers or salt solutions.
the needle port and vent capillary.
Typical frequency
After using aqueous buffers or
salt solutions
After approximately 10000 to
20000 injections, or when the
valve performance shows
indication of leakage or wear
Maintenance and Repair

Manual Injector

Time required
5 min
10 min
11
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