Kohler K-6918 Assembly instructions

Installation and Care Guide
Wall-Hung Toilet
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K-6918
1287824-2-A

Tools and Materials
Before You Begin
NOTE: This product is designed for installation with the water
supplies located through the wall.
Observe all local plumbing and building codes.
Carefully inspect the new bowl for damage.
NOTE: Lifting and handling the bowl is more efficient with two
people.
Consult the online users guide at us.kohler.com for more
information.
For service parts information, visit kohler.com/serviceparts.
• Rug or Protective Material
• Silicone Plumbers Grease
• Level or Straight Edge
Plus:
File
3/4"
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1. Mark the Pipes - Bowl Side
IMPORTANT! If silicone plumbers grease is not applied to the
gaskets, they will bind during fitting, which will result in the pipes
cut to incorrect lengths.
NOTE: This step is easier with the bowl upside down.
Install the gasket on the ribbed end of the inlet pipe.
NOTE: The outlet pipe gasket comes positioned on the thin portion
of the outlet pipe. Remove the gasket and reinstall it as shown.
Install the outlet pipe gasket on the flared end of the outlet pipe.
Apply silicone plumbers grease to the outlet pipe gasket.
Firmly fit the outlet pipe and gasket over the bowl outlet,
pushing until it contacts the bowl.
Position a level or other straight edge device across the back of
the bowl.
Mark the outlet pipe at the back edge of the bowl using the level
as a guide.
Straight Edge
or Level
Gasket
Inlet Pipe
Outlet
Pipe
Gasket
Silicone
Plumbers
Grease
Outlet Pipe
Inlet Pipe
Silicone
Plumbers
Grease
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Mark the Pipes - Bowl Side (cont.)
Apply silicone plumbers grease to the outside of the inlet pipe
gasket.
Firmly insert the gasket end of the inlet pipe into the water inlet,
pushing until it contacts the bowl.
Position a level or other straight edge device across the back of
the bowl.
Mark the inlet pipe at the back edge of the bowl using the level
as a guide.
Remove the inlet and outlet pipes.
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2. Mark the Pipes - Wall Side
Remove and discard the plaster guards from the inlet and outlet
holes.
Apply silicone plumbers grease to the gasket in the opening of
the inlet and outlet holes.
Firmly insert the inlet pipe completely into the inlet hole.
NOTE: If the finished wall aligns with any portion of the gasket
section of the inlet pipe, no mark or cut is required.
Use a level or other straight edge to mark the inlet pipe even
with the front edge of the finished wall.
Firmly insert the outlet pipe completely into the outlet hole.
NOTE: If the finished wall aligns with the wide part of the outlet
pipe, no mark or cut is required.
Use a level or other straight edge to mark the outlet pipe even
with the front edge of the finished wall.
Remove the inlet and outlet pipes.
Finished Wall
Inlet Hole
Plaster
Guard
Outlet Hole
Outlet Pipe
Inlet Pipe
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3. Cut the Pipes
Measure the distance between the two marks on the inlet pipe to
determine ″X.″
Measure and mark ″X″from the end opposite the gasket on the
inlet pipe.
Cut the inlet pipe at this location.
Measure the distance between the two marks on the outlet pipe
to determine ″Y.″
Measure and mark ″Y″from the end opposite the gasket on the
outlet pipe.
Cut the outlet pipe at this location.
Use a file to remove all rough areas on the cut end of each pipe.
X
Y
Outlet Pipe
Inlet Pipe
Y
X
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4. Install the Pipes
NOTE: Be sure that the gaskets on the inlet and outlet holes are still
well lubricated with silicone plumbers grease. Apply more grease if
necessary.
Insert the inlet pipe into the inlet hole
Insert the outlet pipe into the outlet hole
Inlet Hole
Inlet Pipe
Outlet Pipe
Outlet Hole
Apply silicone
plumbers
grease.
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5. Adjust the Carriage Bolts
Adjust the threaded rods until they each extend 3″(76 mm) from
the finished wall.
Place a washer onto each threaded rod.
Thread one of the jam nuts over each threaded rod and tighten
down to lock the rods in position.
Threaded Rod
3"
(76 mm)
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6. Install the Wall Kit
Thread the notched pegs onto the threaded rods, leaving a 3/8″
(10 mm) gap on the rods.
Position the pegs with the notches facing down.
Insert the hex shaft into the receiver, then position the assembly
into the underside of the bowl and align with the holes in the
back of the bowl.
Install the retainer into the holes on the back of the toilet bowl,
and snap into the end of the receiver.
3/8" (10 mm) Hex Shaft
Retainer
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7. Install the Bowl
NOTE: This step is easier when performed by two people.
NOTE: Be sure all gaskets are well lubricated with silicone
plumbers grease. Reapply grease if necessary.
Confirm the gasket on the inside of the inlet elbow has correctly
engaged with the inlet pipe.
Confirm the gasket on the inside of the outlet elbow has correctly
engaged with the outlet pipe.
Carefully lift the bowl up and align the threaded rods and pipes
with the corresponding holes.
Make sure the pegs are oriented with the notches facing down.
Slide the bowl onto the threaded rods, inlet pipe and outlet pipe.
Make sure the bowl fully engages the gaskets on the inlet and
outlet pipes.
Slide the bowl back until it makes contact with the wall.
From the underside of the bowl, attach the tool to the hex shaft
and turn counterclockwise to secure the bowl.
Notch
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