Thermo Scientific thermoscientific Vanquish Pumps C, Operating Manual

Page: 171 / 296

7 • Maintenance and Service
Pumps C, Pumps F ( VC-Pxx, VF-Pxx)
Operating Manual Page 171
7.9 Solvent Lines and Solvent Line Filters
Follow the sequence of steps for the maintenance procedure that you
want to perform:
• To empty the solvent lines, see Emptying the Solvent Lines
( } page 171) .
• To replace solvent lines, see Replacing Solvent Lines ( } page 172) .
• To replace the solvent line filter, see Replacing the Solvent Line Filter
(
}
page 175) .
7.9.1 Emptying the Solvent Lines
When
To empty the solvent lines, for example, for maintenance or service
procedures or for long-term shutdown
Parts required
• Silicone tubing
• Syringe
Preparations
1. Turn off the pump flow and wait until the system pressure is down
to zero.
2. Prepare the pump for purging (see Purging the Pump (
}
page 103) ).
Follow these steps
Follow these steps for each solvent line that you want to empty:
1. Unscrew the cap of the solvent reservoir and remove the cap
together with the solvent line from the reservoir.
2. Start a purge cycle as appropriate.
3. Stop purging as soon as the solvent line is empty.