Preventive Maintenance - Teledyne ACCQPrep HP125 Installation And Operation Manual

Figure 6-1 Fraction collection tray drain hole
6.3 Preventive
Maintenance
The system requires preventive maintenance for safe and
reliable operation. Refer to the schedule below for the minimum
periodic maintenance requirements.
As Needed – Perform these tasks as conditions require:
• Cleaning (Section 6.1.1).
• Quick flow cell cleaning when recommended by a system
alert message (Section 6.4).
• Wipe cone on PurIon system with wipe soaked with
methanol or water to remove visible residue near cone
inlet. (PurIon systems only).
Every Run – Perform these tasks at the end of each run:
• Allow the separation run to finish with a high
percentage of solvent B to flush residual compounds
from the column, internal tubing, and flow cell. Refer to
section 6.4.
• Allow Cone wash to run to completion (PurIon systems
only) to wash residual compounds from the fluid
interface, probe, and to clean the cone area.
• Allow Valve Wash sequence to run to completion to wash
residual compounds from the injection valve and ELSD
(if installed) flow path.
Monthly – Perform these tasks at least monthly, more fre-
quently if conditions warrant:
• Tubing Inspection (Section 6.2.1).
• Collection rack and tray cleaning (Section 6.1.2).
• Monthly flow cell cleaning (Section 6.4.3).
Annually – Perform these tasks at least annually, more fre-
quently if conditions warrant:
• Change roughing pump oil (PurIon systems only).
ACCQPrep HP125
Section 6 Maintenance
Vacuum or pressurized
air applied to the outlet
end of the drain tube
must exist at the
collection tray drain hole.
6-3