Kohler K-707602-8D3-BL Installation guide

Installation Guide

Sliding Shower and Bath Doors

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1380408-2-B

Tools and Materials

Before You Begin

WARNING: Risk of serious injury. Damage before installation can result in glass shattering.

Inspect the glass and all parts for damage before installation.

WARNING: Risk of serious injury. Improper installation can result in glass shattering. Follow all

installation instructions.

WARNING: Risk of serious injury. Do not cut tempered glass. Tempered glass will shatter if cut.

WARNING: Risk of serious injury. Shower door and side panels can shatter. Regularly inspect the

glass and all parts for damage, missing or loose parts.

WARNING: Risk of serious injury. Always wear safety glasses while cutting and drilling.

CAUTION: Risk of personal injury. Tempered glass should not contact hard surfaces or it may

shatter. Do not touch the edge of the tempered glass panel with tools or any hard objects.

IMPORTANT! Leave this manual for the end user. Read these instructions before installing or using this

product.

IMPORTANT! This door is designed to accommodate walls that are less than 3/8″ (10 mm) out of plumb.

Verify the area the door will be attached to is within 3/8″ (10 mm) of plumb. The door may not function

properly if the wall is more than 3/8″ (10 mm) out of plumb.

IMPORTANT! Do not remove the corner protectors from the door panels until after they are installed.

Cover the drain with tape to avoid loss of small parts.

Identify all parts prior to installation.

Follow the silicone sealant manufacturer’s instructions for application and curing time.

Two people should perform this installation.

To watch this installation video online, visit us.kohler.com and search for your product number.

32-Teeth

Per Inch Blade

100% Silicone

SealantMiter Box

Masking Tape

Tin Snips

Step Stool

1/8" 1/4" Masonry

Bit for Tile

1/8"

1/4"

3/32"

1380408-2-B 2 Kohler Co.

Parts Identiﬁcation

Headers

Cleat

Right

Bumper

Cleat

Left

Bumper

Seal

Wall

Jamb

Seal

Wall

Jamb

Threshold

Seal

Centerguide

Clip

Header

Connectors

Header

Connectors

Bracket

Bumper

Screw

Anchor

Bracket

Bumper

Screw

Anchor

Screw

#6-20" x 3/8"

Handle

Kit

Roller

Kit

Kohler Co. 3 1380408-2-B

1. Conﬁrm Ledge and Wall Compatibility

IMPORTANT! For proper door alignment and operation, conﬁrm that the shower base/bath ledge and

walls meet the following requirements. Do not install the door if these requirements are not met.

There must be at least 2-1/2″ (64 mm) of ﬂat surface on the shower base/bath ledge and walls.

Walls must be within 3/8″ (10 mm) of plumb.

The shower base/bath ledge must be level between the walls.

The radius of the shower base/bath ledge where it meets the wall must be 1/4″ (6 mm) or less.

1/4" (6 mm)

Max Radius

2-1/2"

(64 mm)

Min

2-1/2"

(64 mm)

Min

1380408-2-B 4 Kohler Co.

2. Measure and Cut the Threshold

WARNING: Risk of serious injury. Always wear safety glasses while cutting and drilling.

Cover the drain with tape to avoid the loss of small parts.

Use a drop cloth to protect the shower surface.

Measure distance ″A″ between the shower walls and mark it on the threshold.

Measure 1/2″ (13 mm) from ″A″ and make a second mark on the threshold as shown.

Cut the threshold at the second mark and ﬁle any rough edges.

Cut

here.

A

Threshold

1/2"

(13 mm)

1/2"

(13 mm)

Kohler Co. 5 1380408-2-B

3. Install the Centerguide

Measure the center of the threshold. Mark the centerline near the groove on the inside surface of the

threshold.

IMPORTANT! Drill through the inside surface only.

Drill a 1/8″ hole at the centerline on the groove of the inside surface of the threshold.

Install the centerguide clip to the threshold with the supplied #6 x 3/8″ screw.

Press the centerguide over the clip. Make sure the centerguide is completely installed with the tabs

snapped under the bottom of the threshold.

Inside

Surface

Tabs

Groove

1/8"

(3 mm)

Hole

1380408-2-B 6 Kohler Co.

4. Install the Bumpers to the Threshold

NOTE: There is a left side and right side bumper. The cleats are identical.

Install a cleat into each end of the threshold so that they point in the same direction as the

centerguide.

Press the left and right bumpers onto the cleats as shown.

Left

Bumper

Right

Bumper

Cleat

Kohler Co. 7 1380408-2-B

5. Install the Threshold Seal

IMPORTANT! The seal must be installed with at least 1/2″ (13 mm) extending beyond each end of the

threshold. The seal will be cut to ﬁt after the threshold has been installed.

Press the seal into the channel in the threshold, leaving approximately 1/2″ (13 mm) extending

beyond the end of the threshold.

1/2" (13 mm)

Seal

1/8"

1380408-2-B 8 Kohler Co.

6. Position the Threshold

NOTICE: The threshold must sit on a ﬂat surface.

Thoroughly clean the shower base/bath ledge before proceeding.

If needed, ﬁle the ends of the threshold to match the corner radius of the shower wall.

Set the threshold assembly on the ﬂat surface of the shower base/bath ledge, as close to the outside

edge as possible.

Align the threshold even distance along the ledge.

Mark the threshold location, then remove the threshold.

Remove the ﬁlm from the adhesive on the bottom of the centerguide.

Install the threshold on the marks and press ﬁrmly on the centerguide to bond the adhesive.

Kohler Co. 9 1380408-2-B

7. Complete the Threshold

Use masking tape to temporarily secure the threshold in place until the wall jambs are installed.

Press the bumpers against the walls.

Use a scissors to trim the seal at each end of the threshold so that it mates with the notch in the

bumper.

Notch

Seal

1380408-2-B 10 Kohler Co.

8. Assemble and Position the Wall Jambs

NOTE: The ﬂexible ﬁn of the seal is on the inside of the wall jambs.

NOTE: The wall jambs are longer than the seals.

Starting at the top, press a seal onto each wall jamb so that there is a left-side assembly and a

right-side assembly as shown.

Position the wall jamb assemblies over the threshold so the ﬂexible ﬁn is on the inside of shower. If

needed, snip the corners of the metal to ﬁt the corner radius of the shower wall.

Use a level to plumb the wall jambs and mark the locations on the wall.

Use masking tape to temporarily secure the upper part of the wall jambs in place. Do not secure

with the adhesive on the back of the seal at this time.

Right Left

Fin

Kohler Co. 11 1380408-2-B

9. Prepare the Wall Bracket Holes

IMPORTANT! Hole locations for the wall brackets are critical. Make sure the holes are properly marked

and drilled straight into the wall.

Make sure the top of the wall jamb is secured in place with masking tape.

Place the drill template over the wall jamb, pointing into the shower as shown.

Verify that the template is fully seated over the wall jamb, ﬂat against the wall, and level.

Mark the hole locations.

Remove the template and drill 1/4″ holes straight into the wall at the marked locations. Make sure

the drill is not at an angle when drilling.

Install the provided wall anchors. Make sure the anchors are fully seated into the wall.

Repeat for the second wall jamb.

1/4"

1380408-2-B 12 Kohler Co.

10. Install the Wall Brackets

Thoroughly clean the wall and shower area before proceeding.

Secure each bracket to the wall using two #8-18 x 1-1/2″ screws.

Verify that the bracket is level. Loosen the screws and adjust the bracket position if needed.

Repeat for the second bracket.

Kohler Co. 13 1380408-2-B

11. Measure and Cut the Headers

IMPORTANT! Conﬁrm your measurements before cutting. Do not cut the headers too short.

Measure distance “B” between the ﬁnished shower walls and mark it on each of the two headers.

Using a hand saw, position the blade just inside the marked line. Cut each header just inside the

marked line.

File any rough edges and clean debris from the roller tracks.

B

Header

B

1380408-2-B 14 Kohler Co.

12. Install the Connectors to the Headers

Locate the notches along the inside tracks of the headers.

Mark the locations with pieces of tape on the outside of the headers. This will help with door panel

installation later.

NOTE: Inner and outer headers are identical.

Push a header connector into the end of each header as shown. The hex screw head should be

visible.

Position each connector approximately 2″ (51 mm) from the ends of the headers so they are clear of

the brackets during header installation.

Setscrew

Notches

Tape

2"

(51 mm)

Kohler Co. 15 1380408-2-B

13. Position the Inside Header

IMPORTANT! Install only the inside header at this time.

NOTICE: The two headers are identical.

To ease installation of the header, remove the temporarily positioned wall jambs.

With the ﬂat face of the header facing the inside of the shower, tilt the header as shown and lower it

on to both brackets at the same time.

Rotate the header onto both brackets at the same time to a vertical position.

NOTE: The header will be slightly loose. It will be secured in the next section.

Inside

Header

1380408-2-B 16 Kohler Co.

14. Secure the Inside Header to the Bracket

IMPORTANT! The inside header is secured to the brackets in this step so that the door panel may be

hung.

Press the header against the bracket, and slide the header connectors all the way to the wall at each

end of the header.

NOTE: If the header connector does not slide over the bracket, either the screw must be loosened, the

header is not properly installed on the bracket, or the bracket is tilted away from the wall. Make any

adjustments as necessary.

Secure the header by tightening each header connector screw with a 1/8″ hex wrench.

1/8"

Press against

the bracket.

Kohler Co. 17 1380408-2-B

15. Assemble the Inside Panel Rollers

NOTICE: There is a triangle shape molded on one of the ﬂats of the roller.

Orient the door panel so that the handle holes are on the showerhead side and the label faces the

outside of the shower.

Position the roller and gasket on the opposite side of the panel as the label as shown, and insert the

roller cam into the hole.

Orient the roller so that the triangle is pointing up. This sets the door at its lowest position, making

adjustments easier.

Firmly handtighten the roller to the glass with the gasket and bolt.

Using the supplied wrench, securely tighten the bolt at least 3/4 turn past hand-tight. The gasket

may ﬂex as the bolt is tightened.

Repeat these steps for the second roller.

Triangle Up

Gasket

Cam

Wrench

Bolt

Gasket

1380408-2-B 18 Kohler Co.

16. Install the Inside Panel

CAUTION: Risk of product damage: Once installed, do not move the panel close to the wall because the

top bumpers are not installed at this time.

NOTE: The corner protectors should still be installed on the panel at this time.

NOTE: The rollers face the inside of the shower and the label faces the outside of the shower.

With help, from outside the shower, lift the panel and place the bottom into the inside channel in

the centerguide.

Lift the panel just enough to place a roller into one notch on the header. Then slide the panel over

so the second roller is aligned with the other notch in the header.

Verify that the bottom of the door panel is still in the inside channel of the centerguide.

Kohler Co. 19 1380408-2-B

17. Assemble the Outside Panel Rollers

NOTICE: There is a triangle shape molded on one of the ﬂats of the roller.

Orient the door panel so that the handle holes are on the opposite side as the showerhead and the

label faces the outside of the shower.

Position the roller and gasket on the same side of the panel as the label as shown, and insert the

roller cam into the hole.

Orient the roller so that the triangle is pointing up. This sets the door at its lowest position, making

adjustments easier.

Firmly handtighten the roller to the glass with the gasket and bolt.

Using the supplied wrench, securely tighten the bolt at least 3/4 turn past hand-tight. The gasket

may ﬂex as the bolt is tightened.

Repeat these steps for the second roller.

Triangle Up

Gasket

Wrench

Bolt

Gasket

1380408-2-B 20 Kohler Co.

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Kohler K-707602-8D3-BL Installation guide

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