Waters ACQUITY Isocratic Solvent Manager, Overview And Maintenance Manual, Page: 106 / 160

3 Maintenance Procedures
106 September 26, 2013, 715004208 Rev. A
6. Make sure the new PEEK washer is inserted into the new check valve so
that its chamfered edge faces away from the check valve.
7. Insert the check valve assembly into the head, and use the 1/2-inch
wrench to tighten the check valve nut 1/8-turn beyond finger-tight.
8. Use the 5/16-inch, open-end wrench to hold the check valve in place, and
then reattach the compression fitting to the check valve.
Tip:
Use the 1/4-inch wrench to tighten the compression fitting 1/6-turn
beyond finger-tight for existing stainless-steel tubing assembly, or
3/4-turn beyond finger-tight for a new stainless-steel tubing assembly.
9. Power-on the ISM.
10. Prime the ISM (see page 67 ).
PEEK washer
Check valve
Chamfered edge
facing away from
check valve
1/2-inch Hex nut
5/16-inch, open-end wrench flat