LG LFXS28566 Series Technical Manual page 33

How to Service for Serial Range (Filter in inner case)
Change the part (Filter)
1. Open the filter case
3. Check the Filter (Use flash)
1) Check for foreign substance in O-ring part
2) Check O-ring status(kink, damage)
Step2) Action
1. If foreign substance is found or there is no other problem → remove foreign substance and reinstall the filter
How to reinstall the filter : See page 6 for filter replacement instructions.
2. If the problems are found in the filter and filter head → change the new filter
How to change the new filter : See page 6 for filter replacement instructions.
Appendix
2. Turn it counterclockwise to pull it out.
Make sure to rotate the filter down completely before pulling it out of the manifold hole.
4. Check the Filter Head (Use flash)
1) Check for foreign substance inside the filter head
2) Check the condition inside the filter head(scratch, damage)
Page 6