Waters 1500-Series, Operator'S Manual

Page: 68 / 188

3-18 Installing Options and Accessories
Required materials
• Plunger seal wash system kit. Use the appropriate kit for your model
pump:
–
1515 – part number 205000251
– 1525 – part number 205000251
– 1525µ – part number 205000250
– 1525EF – part number 205000252
• Open-end wrench, 5/16-inch (2)
• Open-end wrench, 1/2-inch
• T-handle hex wrench, 5/32-inch
• T-handle hex wrench, 9/64-inch
• TORX
®
wrench, T15
• HPLC-grade methanol
• Tweezers or tape
• Razor knife or tubing cutter
Preparing the instrument
To prepare the pump:
1. Purge the pump with methanol (see Chapter 4 ). If methanol is not
miscible with your mobile phase, use an intermediate mobile phase.
2. Insert the priming syringe into the Luer
®
fitting at the center of the
draw-off valve handle, and then rotate the handle counterclockwise,
about 1/2-turn, to open the valve.
3. Remove the solvent inlet lines from the reservoirs.
4. Use the syringe to withdraw all the methanol from the instrument.