Kohler STERLING 547909-59S-G05 Installation Instructions Manual page 14

10. Secure the Header
CAUTION: Risk of personal injury. Position hands away from the drilling locations when drilling through the
header.
CAUTION: Risk of product damage. When securing the header to each cleat, do not drill through the second wall
of the header.
From inside the shower, drill two 9/64" holes through the header using the cleats as a template.
From inside the shower, secure the header to each cleat with two #8-18 x 3/8" self-drilling screws.
Carefully and thoroughly clean the header. Make sure there is no debris in the roller tracks.
Slide the bumpers flush against each wall.
1417143-2-B
8-18 x 3/8"
14 Sterling