Waters Xevo TQD Overview And Maintenance Manual page 181

5. Use the 8-mm Allen wrench to remove the oil filler plug.
Oil filler plug
Oil-level sight glass
Drain plug
6. Use the 8-mm Allen wrench to remove the oil drain plug.
7. Tip the pump toward the drain plug aperture and allow the oil to drain
completely into the container.
Warning:
roughing pump oil in accordance with local environmental
regulations. It can be an irritant, or it can be contaminated
with biohazards or toxic materials.
8. Dispose of the roughing pump oil in accordance with local environmental
regulations.
9. Ensure that the O-ring on the oil drain plug is clean and properly
seated.
To avoid oil leakage when fitting the oil drain plug to the
Notice:
roughing pump, observe these precautions:
• Ensure that the plug is not cross-threaded.
• Ensure that the O-ring is not pinched.
• Do not overtighten the plug.
10. Use the 8-mm Allen wrench to fit and tighten the roughing pump's oil
drain plug.
To avoid spreading contamination, dispose of the
March 14, 2014, 715004387 Rev. B
Replacing the roughing pump oil
TP02689
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