Agilent Technologies 1220 Infinity II LC User Manual

262 1220 Infinity II LC System User Manual
11 Maintenance and Repair
Solvent Delivery System
Reinstalling the Pump Head Assembly
When When reassembling the pump
Tools required Description
Hexagonal key, 4 mm
1 If needed, apply a small amount of grease on the back of
the screws. Normally, the grease added during
manufacturing is sufficient for a long time.
2 Slide the pump head assembly onto the pump drive.
3 Insert the pump head screws and tighten them stepwise
with increasing torque (approx. 5 Nm) with a 4 mm
hexagonal key.
4 Install the capillary at the bottom of the pump head.
5 Reconnect the valve capillary to the outlet valve. 6 Reconnect the solvent inlet tube to the passive inlet
valve.
7 Reconnect the outlet capillary and the waste tubing.
Next Steps:
8 If installed, reconnect the active inlet valve cable to its
connector.
9 If a standard seal has been installed, run the seal
wear-in procedure, which includes a replacement of the
purge valve frit, see “Exchanging the Plungers” on
page 263.
10 For the normal phase seal, the purge valve frit should be
replaced, see “Exchanging the Purge Valve Frit or the
Purge Valve” on page 254.

Agilent Technologies 1220 Infinity II LC Specifications

General

Brand	Agilent Technologies
Model	1220 Infinity II LC
Category	Laboratory Equipment
Language	English