112
Maintenance schedule
Waters recommends that you perform the following routine maintenance on
the column compartments 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.
Recommended routine maintenance schedule:
Maintenance procedure Frequency For information...
Replace the leak sensors on
the system instruments
As needed See page 114 and
page 119
Replace the column manager
switching valve cartridge
As needed See page 122
Replace the column During scheduled
preventive
maintenance or as
needed
See page 125,
Replace the active preheater
assembly
As needed See page 127
Replace the column stabilizer
assembly (CH-A only)
During scheduled
preventive
maintenance or as
needed
See page 133
Replace the column in-line
filter frit
As needed See page 136
Replace the column in-line
filter unit
After you have used
the six filters that
accompanied the unit
See page 136
Replace the fuse (ACQUITY
UPLC 30-cm CHC only)
As needed See page 139
Clean the instrument with a
soft, lint-free cloth, or paper
dampened with water
As needed See page 140
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