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3.3 Recommended maintenance schedule
Perform the following routine maintenance on the module to ensure reliable operation and
accurate results. When using the system throughout the day (and on nights and weekends), or
when using aggressive solvents such as buffers, perform these maintenance tasks more
frequently.
3.3.1 Recommended 30-cm CH and 30-cm CHC routine maintenance
schedule
Maintenance procedure
Replace the ferrule on the column fitting
Replace the rotor seal of the column-selection valve
Replace the 30-cm CHC module's fuse
Clean the instrument with a soft, lint-free cloth, or paper
dampened with water
3.4 Spare parts
To ensure that your system operates as designed, use only Waters Quality Parts. Visit
www.waters.com/wqp
3.5 Safety and handling
Observe these warning and caution advisories when you perform maintenance operations on
your system.
Warning:
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.
Warning:
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.
for information about Waters Quality Parts, including how to order them.
Observe Good Laboratory Practice (GLP) at all times, particularly when
To prevent burn injuries, set the column temperature to Off, and then allow
December 5, 2017, 715004751 Rev. C
Page 56
Frequency
During scheduled routine
maintenance or as needed
During scheduled routine
maintenance or as needed
As necessary
As necessary
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