Waters Xevo TQ-S Operator's, Overview And Maintenance Manual page 246

B External Connections
15. Route the open end of the PVC exhaust tubing to a suitable exhaust
vent.
16. Inspect the oil level in the pumps (see
levels" on page
on page
Requirement:
operate the pumps with an oil level below minimum level as indicated in
the sight glass.
246 February 28, 2014, 715002212 Rev. C
116, and, if necessary,
116).
To ensure correct operation of the roughing pumps, do not
"Inspecting the roughing pump oil
"Adding oil to a roughing pump"