Removing the pump head and seal-wash assemblies 3-5
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.
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
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