Remove The Head, Seal Wash Assembly, And Plunger - Waters Alliance e2695 Operator's Manual

Table 7–1: e2695 solvent management system components and functions (continued)
Component
In-line filter
7.5.2

Remove the head, seal wash assembly, and plunger

For information about isolating problems in the solvent management system, see
See figure "Solvent management system piston chamber components (exploded view)" on
page 123 to view the head, head nut, plunger, seal wash assembly, and check valve assembly of
each solvent delivery piston chamber.
Remove the head, seal wash assembly, and plunger whenever you must perform these tasks:
• Replace the plunger seals
• Clean or replace a plunger
• Service the seal wash seals
Figure 7–2: Solvent management system piston chamber components (exploded view)
Head
Head nut
To remove the head, seal wash assembly, and plunger:
1. On the Main screen, press the Diag screen key.
2. Press the Other Tests screen key in the Diagnostics screen.
3. From the list in the Other Diagnostics screen, select Head Removal and Replacement.
Manifold
Plunger
Plunger-seal wash
assembly
February 27, 2018, 715003794 Rev. C
Function
Provides solvent filtering between the solvent
management system and the sample
management system.
Plunger cone (shown
disengaged)
Check valve
cartridge
Check valve
housing
Page 123
Chapter 8.