Kohler K-5401-PA Homeowner's Manual page 11

Filter
Tee Valve
Filter
Cover
Filter
Servicing the Toilet
Disconnect the power to the toilet
Turn off the water by closing the water supply stop.
Remove the left side panel.
Remove the filters and inspect them for damage.
If the filters are damaged, replace them.
If the filters are clogged, remove all debris.
Install the filters.
Reattach the left side panel.
Open the supply stop.
Reconnect the power to the toilet.
Kohler Co. 11 1325704-5-A