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5.1 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 5.2).
• Quick flow cell cleaning when recommended by a system
alert message (section 5.4.2).
Every 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 5.4.1.
Nightly – Log off the system (File> Log out) and place the
On/Standby switch in Standby.
Monthly – Perform these tasks at least monthly, more
frequently if conditions warrant:
• Tubing Inspection (section 5.3).
• Collection rack and tray cleaning (section 5.2.1).
• Monthly flow cell cleaning (section 5.4.3).
5.2 Cleaning
To clean the exterior surfaces, use distilled water with a mild
detergent. Use isopropyl alcohol for tougher stains.
On printed areas such as labels, avoid rubbing vigorously or
using aggressive solvents like acetone. Each will ruin the
printed text.
CombiFlash
Installation Guide
Section 5 Maintenance
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5-1
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