Agilent Technologies 1220 Infinity II LC User Manual page 247

Table 44
Procedure
Removing the pump head
assembly
Exchanging the Plungers
Instrument is partially energized when switched off.
WA R N I N G
The power supply still uses some power, even if the switch on the front panel is
turned off.
➔
Sharp metal edges
WA R N I N G
Sharp-edged parts of the equipment may cause injuries.
➔
When opening capillary or tube fittings, solvents may leak out.
WA R N I N G
The handling of toxic and hazardous solvents and reagents can carry health risks.
➔
Electronic boards and components are sensitive to electrostatic discharge (ESD).
C AU T I O N
ESD can damage electronic boards and components.
➔
1220 Infinity II LC System User Manual
Simple repair procedures - overview
To disconnect the Agilent 1220 Infinity II LC pump from line, unplug the power cord.
To prevent personal injury, be careful when getting in contact with sharp metal
areas.
Observe appropriate safety procedures (for example, wear goggles, safety gloves
and protective clothing) as described in the material handling and safety data sheet
supplied by the solvent vendor, especially when toxic or hazardous solvents are
used.
In order to prevent damage always use an ESD protection when handling electronic
boards and components.
Typical frequency
Before exchanging the seals,
or plungers
If scratched
Maintenance and Repair
Solvent Delivery System
Notes
Seal life time shorter than
normally expected — check
plungers while changing the
seals
11
247