Kohler TOILETS K-3378-EB User's Manual
Contents
1. bolts 4 Place seat on toilet centering the seat cover bolts in bolt holes as shown in Fig 17 French Curve Seat Installation Fig 17 5 Align the nut on the seat cover bolt 6 After nut has been started on bolt hold the nut in place and drive the bolt from the top with a screwdriver until tight 7 Snap the hinged lids closed SERVICING THE FRENCH CURVE TOILET SEAT OLD STYLE 1 Locate the single hinge Align the post with the keyhole in the seat and cover as shown in Fig 18 2 TO REMOVE FOR CLEANING Lift seat and cover Slide to the left and remove 3 TO REATTACH SEAT Hold seat and cover in vertical position Align tongue of the single hinge with groove in the mounting bar Slide assembly sideways so tongue enters groove and post enters keyhole at the same time as shown in Fig 19 Post Keyhole Slot Single Hinge French Curve Seat Removal Fig 18 Mounting Bar Single Hinge Reattaching the French Curve Seat Fig 19 SERVICING THE PALARRE TOILET SEAT 3 For old style tank lids install tank lid retainer clips to the tank lid as shown in Fig 22 1 Insert the seat hinge bolts through the holes in the toilet bowl ledge and secure with two wing nuts as shown in Fig 20 Seat Hinge Bolts Toilet Tank Retainer Clip Assembly old style Assembling the Palarre Seat Fig 22 Fig 720 4 Refer to Fig 23 Install the tank lid assembly to the toilet whi2. sure A Same as A B C D for poor flush A Same as A B C D for poor flush Toilet does not shut off A Defective flush ball A Replace flush ball but water is not flowin into the overflow g B Defective or dirty flush valve gas B Clean or replace flush valve ket gasket C Leaky float valve seat C Replace seat washer Toilet does not shut off A High water level in A Adjust water level See start and water is flowing into tank up instructions the flush val rflow EE E NN B Leaky float ball B Replace float ball Bowl seal does not re A Seal screw needs adjusting A Adjust seal screw per start up in cover structions NOTE May be caused by tem porary reduced water pres ure Toilet leaves an odor A Toilet is dirty A Clean rim holes bowl and trap way with disinfecting bowl cleaner B Crack in bowl allows sewer gas B Replace toilet into the room Toilet overflows A Toilet is clogged A Use plunger to unclog toilet Excessive noise A High pressure high flow A Partially close supply stop B 881 screw not correctly ad B Check water seal readjust per justed start up instructions C Plunger needs lubrica C Lubricate plunger with silicone tion lube D Plunger needs replac D Replace ing plunger 11 TROUBLESHOOTING GUIDE FOR ROCHELLE AND PALARRE SYMPTOMS PROBABLE CAUSE CORRECTIVE ACTION Poor flush A Water pressure is below 25 psi A Increase ru
3. turning when the wing nut is tightened Attach bolt covers as shown Hex Head Bolt Hinge Block Bolt Cover Hinge Block Bushing Wing Nut Pillow Talk Seat Replacement Fig 25 GENERAL TOILET TROUBLESHOOTING ALL MODELS If toilet won t shut off or is leaking perform the following procedure for initial troubleshooting then refer to the ap propriate chart on the following pages 1 Shut off water supply Note the water line inside the tank Wait at least an hour and recheck the water level If the water level is at the top of the toilet s overflow tube or has not dropped the water level may be too high or the float valve may not be shutting off Refer to the ap the base of the flush valve or within the china water propriate chart on the following pages closet Refer to the appropriate chart on the following pages If the water level has dropped below the water line check for leaks Sources of leaks may be at the flapper 5 Turn on water supply after performing repairs 10 TROUBLESHOOTING GUIDE FOR RIALTO SAN RAPHAEL PILLOW TALK AND CABERNET SYMPTOMS PROBABLE CAUSE CORRECTIVE ACTION Poor flush A Low tank water level A Check water level in tank ad just per start up instructions B Supply stop not fully open B Fully open supply stop C Low bowl water level C Adjust per start up instruc tions D Water pressure below 30 psi D Increase running water pres
4. 1 2 sup ply stop K 7653 is recommended A plastic nut is pro vided with the toilet and must be used to make the supply connection to the toilet 1 Water Level Adjustment Refer to Fig 10 Turn on the water supply to the toilet and adjust the water level in the tank to the Water Line mark on flush valve To raise the water level turn the tank water level on float valve counterclockwise To lower the water level turn the screw clockwise 2 Bowl Water Level Adjustment Use the trip chain to lift the flush ball in the tank slightly to allow water to trickle into the bowl until the water level in the bowl stops ris ing This is the seal height and should be noted for subsequent adjustment Flush the toilet and observe the water level in the bowl after refill If the water level is Tank Water Level Screw Timing Screw Slotted screw on Adjusting the Float Valve Fig 10 below seal height turn the seal screw clockwise reflush the toilet and recheck the water level Continue adjustment until water stops entering the bowl just as the seal height is reached If water continues to flow in bowl after water level reaches seal height turn seal screw counterclockwise and reflush toilet Continue adjustment until water stops entering the bowl just as the seal height is reached 3 High Water Pressure Timing Note If toilet is installed in an area with high water pressure above 50 psi work ing pressure the fl
5. KOHLER SERVICE INSTRUCTIONS INTRODUCTION This service instruction will help you understand the opera tion and repair of Kohler low profile one piece toilets The following models are included in these instructions K 3378 EB PILLOW TALK K 3383 EB PALARRE K 3385 EB ROCHELLE K 3397 EB SAN RAPHAEL K 3402 EB RIALTO K 3408 EB CABERNET THEORY OF OPERATION Consider how a low profile one piece toilet differs from the close coupled toilet All the water in a close coupled toilet is held in a tank that is above the rim of the bowl Water to the rim and jet is supplied by gravity On the other hand a one piece toilet holds all the tank water below the rim of the bowl as shown in Fig 1 Fig 1 When the trip lever is actuated water enters the supply valve and flows to the diverter valve At this point all line water is diverted to the rim The tank water is only used to start the water action in the bowl and to direct water to the upleg of the trapway to start the siphonic action as illus trated in Fig 2 106423 0290 SIPHON VORTEX LOW PROFILE ONE PIECE TOILETS Fig 2 After the flush is completed the diverter valve directs water to the rim for bowl refill and to the tank for tank refill Since water which only will be directed to the jet is stored in the tank sufficient water to the rim must be supplied by the supply valve as shown in Fig 3 dye OF OUTLET LPS SUPP
6. LY S LPS SUPPLY K 3378 EB Pillow Talk K 3397 EB San Raphael Fig 4 Fig 7 W LPS i SUPPLY 7x LPS SUPPLY ig OF OUTLET K 3383 EB Palarre K 3402 PB Rialto Fig 5 Fig 8 i a pieri l Li Li 1 LILAR is LPS SUPPLY K 3385 EB Rochelle K 3408 EB Cabernet Fig 6 Fig 9 ROUGHING IN CONSIDERATIONS Kohler low profile one piece toilets are perfect for remodel ing and new installations Refer to the roughing in draw ings Figs 4 9 AND INSTALLATION Always refer to your local codes and the installation in structions packed with the toilet KOHLER LOW PROFILE ONE PIECE TOILET FEATURES e One piece design offers contemporary styling e Elongated bowl offers a large water area for efficient waste removal e Non overflow design prevents the bowl from overflowing if the toilet becomes clogged e Rialto San Raphael Cabernet and Pillow Talk toilets flush with 3 5 gallons of water for greater economy e Twist Lock flush valves on new Rialto San Raphael Cabernet and Pillow Talk toilets offer ease of replace ment with no tools e Siphon vortex action provides excellent flush and quiet operation e Large water area in bowl aids in effective waste removal START UP AND OPERATION FOR RIALTO SAN RAPHAEL CABERNET AND PILLOW TALK TOILETS For most satisfactory operation of this toilet 25 to 90 psi working pressure is required at the fixture A full
7. dy 2 Place long end of rim flush tube over rim flush opening on valve 3 Assemble rubber seat gasket onto seat 4 Thread rubber gasket onto hush tube Slide hush tube over supply tube 5 Set the seat clamp into center of tank outlet hole 6 Refer to Fig 15 Place valve into tank making sure that the rim flush tube is inserted into the rim flush sup ply supply tube is through open supply hole in bottom of tank and the clamp screw hole aligns with the open ing in the seat clamp 7 With plastic collar on screw insert thread in seat clamp and tighten 8 Attach flush ball to lift wire 9 Assemble locknut to hush tube Tighten locknut 10 Insert float rod into float guide Insert float ball NOTE Adjust float rod to obtain the correct water level For proper timing turn the timing screw downward to decrease flow or upward to increase flow 11 Reconnect flush valve to the water supply Turn on sup ply SERVICING THE FRENCH CURVE TOILET SEAT NEW STYLE K 4653 1 Locate and snap open the two hinged lids that cover the bolt holes as shown in Fig 16 Hinged Lid Washer French Curve Seat Removal Fig 16 2 TO REMOVE SEAT Unscrew the bolts and catch the nuts from below Pull seat and bolts away from toilet Remove the washers from the toilet 3 TO REATTACH SEAT Locate and snap open the two hinged lids that cover the bolt holes Slip bolts through hinge from above Slide washers onto mounting
8. le depressing the tank lid retainer clips Refer to Fig 21 Hold the cover at approximately a 45 degree angle and align the keyhole slot in the seat cover with the key in the seat hinge mounting posts Slide the posts all the way through the mounting holes The seat should move up and down freely a Seat Cover Depress Clips Seat ot T 5 Mounting Installing the Palarre Tank Cover old style Assembling the Palarre Seat Cover Fig 23 Fig 21 LUSTRA SEAT REMOVAL 1 Refer to Fig 24 Pry up seat hinge post covers and loosen screws Remove wing nuts Seat Hinge Post Covers Wing Nut Lustra Seat Removal Fig 24 2 Remove seat from toilet PILLOW TALK SEAT REPLACEMENT 1 Refer to Fig 25 To install Pillow Talk toilet seat slide hex head bolts through holes in the two hinge blocks Slide bushings onto bolts Notice that the bushing and hinge block are serrated This allows you to adjust the toilet seat to the correct position before tightening Place toilet seat onto toilet by inserting the hinge block bushing assemblies through the two holes on the toilet Once the bushings are inserted into the holes the toilet seat can be ad justed Adjust hinge block bushing forward or back ward until seat position is correct Make sure the seat is placed squarely on the toilet Thread wing nuts onto hex head bolts from underside of toilet An indentation on the hinge block will prevent the hex head bolt from
9. ng Fig 14 Trip Lever Assembly Mounting Hooks Volume Control a Float Rod Old Style Flush Valve Fig 13 Rim Flush Tube controls flow at various water pressures An anti siphon Directional valve prevents backflow vang For most satisfactory operation of this toilet 25 to 80 psi PAREN working pressure is required at the fixture A full 1 2 sup ply stop K 7653 is recommended A pressure regula tor is recommend when pressure exceeds 125 psi Trip Lever Tank Fitting Assembly Fig 15 The flush valve controls the flow of water from tank to bowl The flush ball and lift wire control valve operation at the end of the flush The lift wire provides for the accurate seating of e WATER LEVEL The water level must be at the waterline the flush ball indicated at the back of the tank for proper flushing of BEFORE YOU BEGIN ADJUSTMENTS bowl Bend float rod if necessary to obtain the proper water level The flush valve will not shut off if the water is Refer to exploded view illustration Fig 14 and Fig above the overflow If any pressure variation occurs in 15 Make sure you understand the following before the supply line adjust the water level when the water you refer to the Troubleshooting Chart pressure is at its highest point e VOLUME CONTROL If necessary you can adjust the flow of water with adjusting screw Decrease the flow by turning the screw downward or increase the flow by turn ing the screw upwa
10. nning water pres sure Water level in tank is too low B Bend float rod up slightly Volume control is not adjusted C Increase flow by turning ad properly justing screw counterclock wise D Supply stop is not open Fully open supply stop E Full 1 2 supply NOT installed E Install full 1 2 supply F Rim flush tube is disconected Reconnect rim flush tube Trapway or rim holes are Unclog trapway or clean out clogged rim holes Valve does not shut off A Water pressure is over 125 psi Install pressure regulator Foreign matter has adhered to seat or seat washer Clean seat seat washer or re place seat following instruc tions with repair kit Worn seat or seat washer Replace as per B Water level in tank is above con D Slightly bend floatrod down cealed overflow in bowl ward Water leaking past flush ball Replace flush ball Foreign matter on Replace plunger BEHAR plunger in cap assembly Replace cap is corroded or pitted Crack in tank or bowl is allowing Replace toilet leakage Toilet leaves an odor Toilet is dirty Clean rim holes bowl and trapway with disinfecting bowl cleaner Crack in bowl allows sewer gas Replace toilet into the room Toilet overflows Toilet is clogged Use plunger to unclog toilet 12
11. oat valve should be timed To time the float valve hold the float rod and flush the toilet After the toilet has completed the flush time the refill from re lease of rod to valve shut off For K 3397 EB San Raphael K 3378 EB Pillow Talk and K 3408 EB Cabernet If the time is longer than 34 seconds no adjustment is required If time is under 34 seconds turn timing screw clockwise and recheck timing Adjust timing screw until time is between 34 and 36 sec onds After timing the valve recheck the bowl water level as in step 2 to ensure that seal is maintained For K 3402 PB Rialto If the time is longer than 26 sec onds no adjustment is required If time is under 26 sec onds turn timing screw clockwise and recheck timing Ad just timing screw until time is between 26 and 28 seconds After timing the valve recheck the bowl water level as in step 2 to ensure that seal is maintained HOW TO REPAIR THE RIALTO SAN RAPHAEL CABERNET AND PILLOW TALK FLOAT AND FLUSH VALVE INTRODUCTION The following instructions are used to replace the plunger assembly on the flush valve for the San Raphael Rialto Cabernet and Pillow Talk toilets Refer to Fig 11 Float Ball a l a i Gi Nut Supply Hardware Rim Diverter Float Rim Tube Float Valve Assembly Fig 11 1 Loosen the screws and remove the cap top and cap 2 Replace the O ring and plunger assembly 3 Place the cap and cap
12. rd The screw must be locked after adjustment with the locknut e TRIP LEVER ASSEMBLY When the trip lever arm is at rest rotor arm should not contact bottom of lift chain If necessary bend trip lever arm downward to maintain clearance e ROTOR ASSEMBLY The rotor arm should rest on the bottom of lift wire loop HOW TO SERVICE THE ROCHELLE AND PALARRE TOILETS The following instructions are used to replace the valve as sembly of the K 4859 EB Palarre and K 3385 EB Rochelle Before beginning replacement procedures turn off water supply Flush the toilet to drain water from tank REPLACING THE PLUNGER AND SEAT ASSEMBLY ON EXISTING VALVE 1 Turn off water supply Remove cap assembly by un screwing the two cap screws Remove plunger assem bly and old O ring 2 From inside the valve remove old seat with a seat wrench 3 Thread in new seat Insert new plunger sub assembly in order shown in Fig 14 Assemble new O ring to cap and reassemble valve Turn on water REMOVING OLD FLUSH VALVE 1 Turn off water supply Disconnect float ball from float rod 2 Loosen locknut securing supply tube to tank 3 Remove trip lever chain from trip lever 4 Loosen screw in valve seat until seat clamp falls off 5 Remove flush valve assembly INSTALLATION OF NEW FLUSH VALVE 1 Refer to Figs 14 and 15 Insert lift wire through hole in guide Insert rotor arm into lift wire Thread rotor assembly into valve bo
13. top back on valve Tighten with screws REPLACING THE TWIST LOCK FLUSH VALVE 1 Refer to Fig 12 Turn valve counterclockwise and re move 2 Toinstall new valve apply a bead of silicone to the base of the gasket Insert into hole inside tank Press down and turn clockwise until valve is in proper position Trip Chain Flapper Hooks Flush Ball Gasket Twist Lock Flush Valve Fig 12 REPLACING THE OLD STYLE FLUSH VALVE RIALTO AND SAN RAPHAEL ONLY 1 Refer to Fig 13 Loosen three screws and turn mounting hooks inward Remove flush valve 2 Assemble gasket to new flush valve Position new flush valve with three screws and mounting hooks into hole in tank Make sure mounting hooks are turned inward Turn mounting hooks outward and tighten screws NOTE TOILETS WITH OLD STYLE FLUSH VALVES CAN NOT BE FITTED WITH THE NEW TWIST LOCK VALVE START UP AND OPERATION FOR ROCHELLE amp PALARRE TOILETS The trip lever assembly actuates the rotor and flush ball to begin flush The float valve assembly controls the flow of water through the rotor to the rim holes and tank The adjusting screw Float Rod Float Ball Lift Chain Screw ae im ae Rotor Arm Lift Wire gt di iki geli o Plastic Collar Gasket pE E Locknut fe H 3 Flush Ball Mal A e ki ee Supply Connection Seat Clamp Flapper Hooks Rubber Seat Gasket Flush Ball Rochelle Palarre Tank Fitti
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