Waters 2545 Binary Gradient Module Operator's Manual page 51

Key
Number Name
1
Seal-wash housing
2
Transducer inlet tube assembly
3
Transducer assembly
4
Inlet check valve holder
5
Inlet check valve cartridge
6
Pump head
7
O-ring
8
Plunger seal
9
Plunger wash seal
10
Head support plate
11
Plunger retaining nut
12
Plunger
Required materials
• Squeeze bottle with methanol
• Seal insertion/extraction tool
• 1/2-inch, 5/8-inch, and 5/16-inch open-end wrenches
• T27 TORX driver
To remove the pump head and seal-wash assemblies:
1. Flush the binary gradient module with an appropriate solvent.
2. In the MassLynx Main window, select Diagnostics > Manual Plunger
Control.
Removing the pump head and seal-wash assemblies 3-5