Kohler STERLING 547909-59S-G05 Installation Instructions Manual page 9

5. Install the Wall Jambs
Mark the three anchor hole locations on each wall jamb with a pencil.
Remove both wall jambs and set them aside.
Drill a 1/4" hole at each marked location. Use a masonry bit for tile walls.
Install the provided wall anchors. If necessary, gently tap the anchors until they are flush against the wall.
Thoroughly clean the shower base and walls.
Reposition the wall jamb, aligning with the anchor holes.
Secure the wall jamb with three #8-18 x 1-1/2" screws.
Repeat for the second wall jamb.
Sterling 9
8-18 x 1-1/2"
1417143-2-B