Agilent Technologies G1367A, Reference Manual

Page: 109 / 286

Repairing the Sampler
4
1100 Series WS MWS Reference Manual 109
Simple Repairs
The procedures described in this section can be done with the sampler in
place in the stack. These procedures can be done on a more frequent basis.
Table 18 Simple Repair Procedures
Procedure Typical Frequency Notes
Exchanging the needle assembly When needle shows indication of damage or
blockage See “Removing the Needle
Assembly" on page 110
Exchanging the needle carrier
assembly When the needle carrier is defective See “Removing the Needle Carrier
Assembly" on page 114
Exchanging the needle seat
assembly When the seat shows indication of damage or
blockage See “Exchange the Needle Seat
Assembly (G1367-87101) on the
G1367A/68A Samplers"
on page 116
Exchanging the stator face When the valve performance shows indication
of leakage or wear See “Stator Face" on page 119
Exchanging the rotor seal After approximately 30000 to 40000 injections,
or when the valve performance shows
indication of leakage or wear See “Rotor Seal" on page 120
Exchanging the metering seal When sampler reproducibility indicates seal
wear See “Metering Seal and Plunger" on
page 122
Exchanging the loop capillary When loop capillary blocked or broken See “Removing the Loop Capillary" on
page 124
Exchanging the peristaltic pump When tubing broken See “Peristaltic Pump" on page 128