Remove The Pump Head Assembly - Agilent Technologies InfinityLab LC Series User Manual

8 Maintenance

Remove the Pump Head Assembly

Remove the Pump Head Assembly

When •
•
•
Tools required p/n
8710-0510
5023-0240
Preparations Switch off the pump at the main power switch.
Damage of the pump drive
C AU T I O N
Starting the pump when the pump head is removed may damage the pump
drive.
Never start the pump when the pump head is removed.

Both pump head assemblies use the same internal components. In addition,
NOTE
pump head A is fitted with the purge valve. The following procedure describes
the removal and disassembly of pump head A (left). For pump head B (right)
proceed in the same way and skip steps that deal with the purge valve.
InfinityLab LC Series 1260 Infinity II Binary Pump User Manual
Exchanging pump seals
Exchanging pistons
Exchanging seals of the seal wash option
Description
A
Open-end wrench 1/4 — 5/16 inch
Hexagonal key, 4 mm
A
Hex driver, ¼", slitted
122