Waters Xevo TQ-S cronos - Spare Parts

Table 4–1: Maintenance schedule (continued)
Procedure Frequency For information...
Clean or replace the corona
pin (APCI and ESCi modes).
When the corona pin is
corroded or black, or the
sensitivity decreases to
unacceptable levels.
See Cleaning or replacing the
corona pin (Page 129).
Replace the APCI probe
heater. (Options using the
APCI probe adapter only.)
If the heater fails to heat when
the instrument is switched to
Operate.
See Replacing the APCI probe
heater (Page 126).
Replace the ion block heater
cartridge.
If the heater fails to heat when
the instrument is pumped down
(evacuated).
See Replacing the ion block
source heater (Page 116).
Replace the probe assembly
(UniSpray mode).
When sensitivity decreases to
unacceptable levels or signal is
unstable due to inconsistent
sample flow.
See Replacing the UniSpray
probe assembly (Page 135).
Clean or replace the impactor
pin (UniSpray mode).
When the impactor pin is
corroded or black, or the
sensitivity decreases to
unacceptable levels.
See Maintaining the UniSpray
impactor pin (Page 138).
Replace the source assembly
seals.
Annually. See Replacing the source
assembly seals (Page 130).
Inspect and adjust the rotary
backing pump's oil level.
Weekly. See Maintaining the rotary
backing pump's oil (Page 85).
Change the rotary backing
pump oil.
Annually. See Maintaining the rotary
backing pump's oil (Page 85).
Replace the roughing pump's
demister element.
Annually.
Note: Applications that
contaminate the roughing
pump oil reduce this period,
which must be determined
from experience.
See Edwards document EMF3,
EMF10 and EMF20 Oil Mist
Filters Instruction Manual
(A462-26-880).
Replace the air filters. Annually. See Replacing the air filter
(Page 133).
4.2 Spare parts
To ensure that your system operates as designed, use only Waters Quality Parts. Visit
www.waters.com/wqp for information about Waters Quality Parts, including how to order them.
January 10, 2022, 715006200 Ver. 01 (previously released as Rev. A)
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