7.
Installing the new pump head plunger.
8.
Reinstalling the pump head.
9.
Performing the solvent-manager leak test (see the console online Help).
Tip:
If the leak test results are unsatisfactory, pressurize the seals, to properly seat them.
To do so, run the solvent manager at 96,527 kPa (965 bar, 14,000 psi) for 30 min, or run
the leak test until results are satisfactory.
3.19.1 Moving the plunger backward
To move the plunger backward:
1.
Flush the solvent manager with nonhazardous solvent.
2.
In the console, select the solvent manager, and then click
Maintain
>
Heads
.
3.
In the Head Maintenance dialog box, select the plunger head that you want to move
backward.
4.
Click
Move Backward
, and then wait for the plunger to stop.
3.19.2 Removing the accumulator pump head
Warning:
Observe Good Laboratory Practice (GLP) at all times, particularly when
working with hazardous materials. Consult the Material Safety Data Sheets regarding
the solvents you use. Additionally, consult the safety representative for your
organization regarding its protocols for handling such materials.
Notice:
To avoid contaminating system components, wear clean, chemical-resistant,
powder-free gloves when performing this procedure.
Requirement:
Wear clean, chemical-resistant, powder-free gloves when performing
this procedure.
Required tools and materials
• Chemical-resistant, powder-free gloves
• 1/4-inch open-end wrench
• 5/16-inch open-end wrench
• T27 TORX driver
• Pliers
August 8, 2016, 715005050 Rev. C
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