1290 Infinity II High-Speed Pumps User Manual 146
8Maintenance
Replace the Pressure Sensor
Replace the Pressure Sensor
When
No or invalid pressure signal
Tools required p/n Description
8710-2412 Hex key 2.5 mm, 15 cm long, straight handle
8710-0510 Open-end wrench 1/4 — 5/16 inch
Screwdriver
Parts required p/n Description
5067-6791 Pressure sensor 1300 bar
5067-7010 Pressure sensor Bio-Compatible 1300 bar
Preparations
Turn off pump flow, switch off pump
This procedure describes how to replace the pressure sensor.
In case the cable to the sensor shall be replaced as well, please contact your
Agilent service representative.
1 Remove capillary connections between the pressure
sensor and purge valve.
2 Remove the screws that fix the pressure sensor to the
chassis.