Waters Xevo TQ-GC Overview And Maintenance Manual page 52

Table 4–1: Maintenance schedule: (continued)
Procedure
Gas-ballasting the roughing
pump.
Replacing the rotary backing
pump's demister element.
Replacing the gas cylinders.
Refreshing and replacing the
solvents used to clean the
injector syringe.
Replacing the septum at the
GC inlet.
Cutting and maintaining the
column at the GC inlet.
Replacing the liner at the GC
inlet.
April 27, 2020, 715005564 Ver. 01 (previously released as Rev. A)
Frequency
Weekly.
Annually.
Note:
Applications that
contaminate the roughing
pump oil reduce this period,
which is determined from
experience.
As required.
As required. Do this when the
levels fall below the minimum
level line on the vials provided
by Agilent.
Depends on the
chromatographic performance
or the laboratory's procedures
and schedules; the
maintenance interval may be
between 30 and several
hundred injections.
Depends on the
chromatographic performance
or the laboratory's procedures
and schedules; the
maintenance interval may be
several hundred injections.
Depends on the
chromatographic performance
or the laboratory's procedures
and schedules; the
maintenance interval may be
between 100 and several
thousand injections.
Page 52
For information...
See Gas-ballasting the
roughing pump.
See Replacing the roughing
pump's oil demister element.
See Replacing the gas
cylinders.
See the maintenance
documentation included with
the GC oven.
See the maintenance
documentation included with
the GC oven.
See the maintenance
documentation included with
the GC oven.
See the maintenance
documentation included with
the GC oven.