Agilent InfinityLab LC Series Vialsamplers User Manual 229
8Maintenance
Exchange the Needle Assembly
Exchange the Needle Assembly
When
• The needle is visibly damaged.
• Leaks or blockages are observed.
• The limit for the needle interaction EMF counter is exceeded.
• The needle needs to be replaced as part of the yearly maintenance.
Tools required p/n Description
8710-1924 Open-end wrench 14 mm
8710-2140 Screwdriver Torx TX-10
Parts required # p/n Description
1 G7129-87200 Needle assembly, 1260 Vialsampler
for G7129-87017 needle seat
OR 1 G7129-87201 Needle assembly, 1290 Vialsampler
for G7129-87012 needle seat
OR 1 G7129-87202 Needle assembly, slotted, for high injection volumes
Preparations
• Finish any pending acquisition job.
• Stop the flow at the pump and remove the solvent lines from the eluent bottles to avoid spilling
solvent.
• Close the shutoff valves at the pump if available.
Toxic, flammable and hazardous solvents, samples and reagents
The handling of solvents, samples and reagents can hold health and safety
risks.
When working with these substances observe appropriate safety
procedures (for example by wearing goggles, safety gloves and
protective clothing) as described in the material handling and safety
data sheet supplied by the vendor, and follow good laboratory practice.
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