Waters Alliance e2695 Operator's Manual page 130

Figure 7–6: Inlet check valve
5. Tip the inlet check valve housing upside down to dislodge the old check valve cartridge.
6. Inspect the inlet check valve housing, clean it, if necessary, and wet it with 100% alcohol.
7. Wet the new check valve cartridge with 100% alcohol.
8. Insert the replacement check valve cartridge into the inlet check valve housing.
Tip: Make sure the arrow on the check valve cartridge points toward the piston chamber.
9. Insert the inlet check valve housing into the piston chamber housing, and then finger-tighten
the check valve housing.
10. Use the 1/2-inch wrench to tighten the inlet check valve housing 1/8 of a turn.
11. Use the 1/2-inch wrench to hold the check valve housing while you reinstall and tighten the
compression screw into the check valve housing with the 5/16-inch wrench.
12. Select Motors and Valves from the Other Diagnostics screen.
Requirement: Set the GPV valve to the Solvent A position (see
valves diagnostic test" on page
13. If the separations module's solvent lines are empty, dry prime the solvent management
system before you wet prime or start delivering solvents (see
page 74).
Check valve cartridge
Check valve housing
TP01367
157).
February 27, 2018, 715003794 Rev. C
Page 130
"Perform the motors and
"Dry prime the system" on