Replace The In-Line Filter - Waters Alliance e2695 Operator's Manual

7 Maintenance
Requirement:
the motors and 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

Replace the in-line filter

The in-line filter provides solvent filtering between the solvent management
system and sample management system. Clean and replace the in-line filter
element when it is the source of elevated backpressure.
Caution:
filter. Damage to downstream components can occur if you replace the
in-line filter with a union, or remove the filter element.
For information about isolating problems in the solvent management
Tip:
system, see
Required materials
• Wrenches, 5/8-inch, open-end, two
• Wrench, 5/16-inch, open-end
• Squirt bottle with 100% alcohol (methanol or isopropanol)
• Absorbent tissue
• Replacement in-line filter element
To replace the in-line filter:
1. Use a 5/8-inch wrench to disconnect the compression screw on the left
side of the in-line filter from the inlet housing (see the
the in-line filter:" on page
small amount of solvent that is likely to leak.
2. Use a 5/8-inch wrench to hold the filter outlet housing while you loosen
the inlet housing with another 5/8-inch wrench.
3. Tip the inlet housing upside down to dislodge the in-line filter element.
4. Wet the replacement in-line filter element with alcohol.
196 July 29, 2013, 715003794 Rev. B
Set the GPV valve to the Solvent A position (see
"Dry prime the system" on page
It is important to maintain proper functioning of the in-line
Chapter 8.
197). Use an absorbent tissue to absorb the
"Perform
230).
126).
figure "Replacing