Disassemble The Secondary Pump Head - Agilent Technologies Infinity II 1290 User Manual

7
Maintenance
Pump Head Procedures

Disassemble the Secondary Pump Head

Damage of pump piston
C A U T I O N
The pump piston is made of ZrO
material, but it is sensitive to shearing forces from the side.
➔
➔
1
For disassembling the pump head, remove the 4 hex
screws at the rear of the pump head.
114
Do not try to remove the pump piston from the rear.
Do not use the piston for removing pump seals.
-based ceramic, which is a very hard and resistant
2
2
Remove the front part of the pump head including pump
chamber housing, distance sheet, pump seal and seal
holder, and support ring with wash seal and gasket.
Agilent 1290 Infinity II Flexible Pump User Manual