Lift the threshold seal to access the screw.
Loosen the screw with a 5/32" hex wrench.
Slide the centerguide down the threshold until it clears the door panels.
Lift the centerguide from the threshold lip.
IMPORTANT! The centerguide must be fully seated behind the threshold lip as shown.
Slide both door panels to one end of the shower.
Thread the screw partially into the centerguide hole. * Ensure the end of the screw does not protrude from the bottom of the centerguide.
Measure and mark the centerline of the threshold on the outside of the shower base/bath ledge.
Rotate the centerguide into place in the threshold groove as shown.
Slide the centerguide down the threshold until the screw aligns with the centerline mark.
Slide the door panels into the centerguide channels.
Lift the threshold seal to access the screw.
Handtighten the screw with a 5/32″ hex wrench, then tighten an additional one half turn.