Cleaning The Source Assembly; Oil Mist Filter Assembly - Waters Micromass ZQ 2000 Operator's Manual

4. Remove the top cover, and discard the odor filter.
Note: The odor filter will likely stick to the cover.
5. Pull upward on the oil mist filter, removing and discarding it along with its O-ring.
6. Slip the new O-ring over the support post in the bottom of the filter housing, then
press the new oil mist filter on top.
7. Refit the top cover, securing it with the four screws.
8. Reattach the exhaust hose to the NW25 clamp.
9. Evacuate the system by selecting

5.2.5 Cleaning the Source Assembly

Clean the sample cone and cone gas nozzle when they are visibly fouled, or when you
eliminate LC and sample-related causes for decreased signal intensity. When cleaning
these parts fails to increase signal sensitivity, also clean the extraction lens, hexapole, and
ion block.
Required Materials
• Lint-free cotton or powder-free nitrile gloves
• 6-in. forceps or needle-nose pliers
• 2.5-mm hex wrench
• 3-mm hex wrench
• 6 mm-hex wrench
Oil Mist Filter Housing
Figure 5-4 Oil Mist Filter Assembly
Options > Pump
Oil Mist
Filter Element
from the Tune window.
Maintaining
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