Warning: To avoid electric shock, do not remove protective panels from system
modules. The components within are not user-serviceable.
Notice: To avoid damaging the electronic components of the sample manager and the
column heater or column heater/cooler, always power-off the sample manager and
column heater/cooler before connecting or disconnecting the interconnect cable.
3.6
Configuring maintenance warnings
Maintenance counters, if available for a particular component, provide information about real-time
usage that can help you determine when to schedule routine maintenance for specific
components. You can specify usage thresholds and maintenance warnings that alert you when a
component reaches a specified threshold. Thus you can minimize unexpected failures and
unscheduled downtime during important work. For information explaining how to specify
maintenance warnings, consult the Waters console Help.
3.7 Replacing the ferrule on the column fitting
If you are using a dual-threaded, finger-tight fitting with cap nut, follow these instructions for
replacing the ferrule on the column fitting if the column is leaking.
Warning: To prevent burn injuries, set the column temperature to Off, and then allow
the column compartment and its components to cool for 60 minutes before touching
them. Monitor the column compartment's internal temperature to ensure that all
components are cool.
Warning: Observe Good Laboratory Practice (GLP) at all times, particularly when
working with hazardous materials. Consult the Material Safety Data Sheets regarding
the solvents you use. Additionally, consult the safety representative for your
organization regarding its protocols for handling such materials.
Notice: To prevent contaminating system components, wear clean chemical-resistant,
powder-free gloves when replacing the ferrule on the column fitting.
Required tools and materials
• Chemical-resistant, powder-free gloves
• Replacement ferrule
To replace the ferrule on the column fitting:
1. Unscrew the cap nut from the fitting.
December 5, 2017, 715004751 Rev. C
Page 57
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