4 Maintenance Procedures
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March 14, 2014, 715004387 Rev. B
8. To start the LC flow, follow the action below for your software:
Gas ballasting the roughing pump
The roughing pump draws large quantities of solvent vapors. The vapors tend
to condense in the pump oil, diminishing pumping efficiency. Gas ballasting
purges condensed contaminants from the oil.
Note:
This procedure is not required for an oil-free roughing pump.
Roughing pump:
Software
Action
MassLynx
In the instrument console, click Start Flow
.
UNIFI
On the System Console tool bar, click Start Flow
.
TP02689
Oil filler plug
Oil-level sight glass
Drain plug
Gas ballast valve
Exhaust port flange
Summary of Contents for Xevo TQD
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Page 56: ...2 Preparing for Operation 56 March 14 2014 715004387 Rev B...
Page 200: ...4 Maintenance Procedures 200 March 14 2014 715004387 Rev B...
Page 216: ...A Safety Advisories 216 March 14 2014 715004387 Rev B...
Page 242: ...B External Connections 242 March 14 2014 715004387 Rev B...
Page 246: ...C Materials of Construction and Compliant Solvents 246 March 14 2014 715004387 Rev B...