Waters Xevo TQD Overview And Maintenance Manual page 84

4 Maintenance Procedures
Maintenance schedule:
Procedure
Clean the IonSABRE II probe
tip. (Options using the
IonSABRE II probe only.)
Replace the IonSABRE II
probe capillary. (Options
using the IonSABRE II probe
only.)
Clean or replace the corona
pin (APCI and ESCi modes).
Replace the IonSABRE II
probe heater. (Options using
the IonSABRE II probe only.)
Replace the ion block heater
cartridge.
Replace the source assembly
seals.
Replace the instrument's air
filters.
Change the roughing pump
oil.
84 March 14, 2014, 715004387 Rev. B
Frequency
When sensitivity
decreases to
unacceptable levels or
when significant
chemical interference
is present.
When sensitivity
decreases to
unacceptable levels or
sample flow is
inconsistent.
When the corona pin is
corroded or black, or
the sensitivity
decreases to
unacceptable levels.
If the heater fails to
heat when the
instrument is pumped
down (evacuated).
If the heater fails to
heat when the
instrument is pumped
down (evacuated).
Annually.
Annually.
Annually.
For information...
See page 159.
See page 160.
See page 166.
See page 167
See page 170.
See page 174.
See page 178.
See page 180.