Agilent Technologies 1260 Infinity VL User Manual

110 1260 Infinity QuatPump VL User Manual
9 Maintenance
Overview of Maintenance and Repair
Overview of Maintenance and Repair
The following pages describe maintenance (simple repairs) of the pump that
can be carried out without opening the main cover.
Tabl e 7 Simple Repair Procedures
Procedure Typical Frequency Notes
“Checking and Replacing the Solvent
Filter” on page 112
If solvent filter is blocked Gradient performance problems, intermittent
pressure fluctuations
“Exchanging the Passive Inlet Valve
(PIV)” on page 113
If internally leaking Pressure ripple unstable, run Leak Rate Test for
verification
“Exchanging the Outlet Valve” on page 115 If internally leaking Pressure ripple unstable, run Leak Rate Test for
verification
“Exchanging the Purge Valve Frit” on
page 117
If internally leaking Solvent dripping out of waste outlet when valve
closed
“Exchanging the Purge Valve Frit” on
page 117
If the frit shows indication
of contamination or
blockage
A pressure drop of > 10 bar across the frit (at a
water flow of 5 mL/min with open purge valve)
indicates blockage
“Maintenance of a Pump Head Without Seal
Wash Option” on page 121
If pump performance
indicates seal wear
Leaks at lower pump head side, unstable
retention times, pressure ripple unstable — run
Leak Rate Test for verification
Exchanging pistons, see “Maintenance of a
Pump Head Without Seal Wash Option” on
page 121
If scratched Seal life time shorter than usual — check
pistons while changing the seals
“Exchanging the Optional Interface
Board” on page 134
If defective Error condition, indicated by red status
indicator

Agilent Technologies 1260 Infinity VL Specifications

General

Brand	Agilent Technologies
Model	1260 Infinity VL
Category	Laboratory Equipment
Language	English