Replace The Pressure Sensor - Agilent Technologies Infinity II 1290 User Manual

7
Maintenance

Replace the Pressure Sensor

Replace the Pressure Sensor

When No or invalid pressure signal
Tools required p/n
8710-2412
8710-0510
Parts required p/n
G7104-60001
Preparations Turn off pump flow, switch off pump
This procedure describes how to replace the pressure sensor.
N O T E
In case the cable to the sensor shall be replaced as well, please contact your Agilent
service representative.
Working on connections to the pressure sensor may slightly change the displayed
N O T E
pressure. In case of a pressure offset at ambient pressure, a pressure offset calibration may
be run.
1
Remove capillary connections between the pressure
sensor and the High Pressure Filter, and between the
pressure sensor and the outlet filter of the secondary
pump head, respectively.
88
Description
Hex key 2.5 mm, 15 cm long, straight handle
Wrench open 1/4 — 5/16 inch
Screwdriver
Description
Pressure sensor 1300 bar
2
Remove the screws that fix the pressure sensor to the
chassis.
Agilent 1290 Infinity II Flexible Pump User Manual