Waters Xevo TQD, Overview And Maintenance Manual

Page: 83 / 250

Maintenance schedule
March 14, 2014, 715004387 Rev. B 83
Maintenance schedule
The following table lists periodic maintenance schedules that ensure optimum
instrument performance.
The maintenance frequencies shown apply to instruments that normally
receive moderate use.
Maintenance schedule:
Procedure Frequency For information...
Clean the instrument case. As required. See page 100 .
Empty the exhaust trap bottle
in the instrument exhaust
line.
Check daily, empty as
required.
See page 100 .
Replace the oil-free (scroll)
pump’s seals.
Annually. See Edwards
document XDS35i
Instruction Manual
A730-01-880 .
Gas ballast the roughing
pump.
ESI – weekly. See page 102 .
Inspect and adjust the
roughing pump oil level.
Weekly. See page 106 .
Clean the source components. When they are visibly
fouled, the background
or high-peak
contaminants are
unacceptably high, or
sensitivity decreases to
unacceptable levels.
See page 108 .
Clean or replace the ESI
probe tip.
When sensitivity
decreases to
unacceptable levels.
See page 177 .
Replace the ESI probe
capillary.
When sensitivity
decreases to
unacceptable levels or
sample flow is
inconsistent.
See page 151 .