Waters Quattro Premier XE, Operator'S Manual, Page: 57 / 86

Replacing the APPI lamp drive assembly O-rings 4-9
Replacing the APPI lamp drive assembly O-rings
The following APPI lamp drive assembly O-rings must be renewed at
intervals of no greater than one year:
• Lamp bulb sealing O-ring
• Mounting shaft O-ring
• Lamp mounting flange O-ring
Note:
To complete this procedure, you will be required to perform a pressure
test on the source, as described in the Waters Source Pressure Test Unit
Operator’s Guide .
Removing the APPI lamp drive assembly O-rings
Required materials
• Chemical-resistant, powder-free gloves
• 2.5-mm Allen wrench
• O-ring removal kit
To remove the APPI lamp drive assembly O-rings
1. Remove the lamp bulb.
See also:
“To change the UV lamp bulb” on page 4-5 , step 1 through
step 6 .
Warning:
To ensure the integrity of the source exhaust system,
the APPI lamp drive assembly O-rings listed below must be
renewed at intervals not exceeding one year, exactly as described
in this section.
Warning:
To avoid self contamination with toxic and
biohazardous materials, always wear chemical-resistant,
powder-free gloves at all times while handling the
components. The probe and source may be contaminated
with biologically hazardous materials.
Warning:
To avoid electric shock, ensure that the instrument is
in standby before commencing this procedure.