Waters Xevo TQD, Operator'S, Overview And Maintenance Manual

Page: 81 / 250

Spare parts 4-5
Spare parts
Replace only the parts mentioned in this document. For spare parts details,
see the Waters Quality Parts Locator on the Waters Web site’s
Services/Support page.
Replace the roughing pump’s
demister element.
Annually.
Tip:
Applications that
contaminate the
roughing pump oil
reduce this period,
which must be
determined from
experience.
See page 4-100 .
Clean the APPI/APCI source
UV lamp window.
When the window
becomes visibly dirty
or when the sensitivity
decreases to
unacceptable levels.
See page 4-107 .
Change the APPI/APCI source
UV lamp bulb.
When the bulb fails. See page 4-106 .
Replace the APPI lamp drive
assembly O-rings.
Annually. See page 4-108 .
Maintenance schedule:
Procedure Frequency For information...