Toto CST764S User manual

[Installation Instructions
For 1.6 GPF Toilet: CST764S(SG)/CST774S
G)
IMPORTANT
Read these instruc¬
tions thoroughly
before beginning
work.
You have purchased
one of the best
working toilets
available today,
backed by TOTO’s
worldwide finest
reputation.
P l e a s e l e a v e i n s t r u c t i o n s f o r c u s t o m e r s . T h e s e i n s t r u c t i o n s
contain maintenance information.
C O M M O N T O O L S N E E D E D :
●12” pipe wrench
●10” adjustable wrench
●Carpenter’s level
●Tape measure
●Flier
●Screwdriver
●Putty knife
●Drill motor, 11/64” drill bit (for wood floor
installation) &1/4” masonry drill bit (for masonry/tile
floor installation)
I
0
TSUOIW
B c DModel A
CST764S(SG) 28-7/8 19-3/4
28 15
28-3/4” 21-5/8” CST774S 28-3/4 15
T
‘CP
5-1/2“ (140mm)
I
18-1/2" (470mm)
3/4" (20mm)
MATERIALS REQUIRED:
●Supply tube /connector
●Supply stop
●Mounting bolts (2)
●Wax ring /seal
Package Content:
B
* C h e c k f o r
correct
dimension 10" (254mm)
12" (305mm)
14" (356mm)
Quantity
No. Item D
Vitreous China Bowl
Cover Plate
Top Mount Bolt Set (for seat)
UNIFIT Rough-In (TSU01W.12).
4a. Toilet Mounting Bolt (T-Bolt)
4b. T-Bolt Washer
4c. T-Bolt Nut
4d. Mounting Screw w/ washer....
4e. Anchor
4f. PVC Outlet Connection*
11.
.2
2.
1
3.
c
1
4.
2
1/2- Supply
,2
T
,2 4- 1 / 2" ( 114m m )
I
4
1
■NOT E : Wat e r s uppl y
ro ugh - in Is s ign ificantly
wk Je r than st an dard S'
rough-in. Consult your
builder or c o n t r a c t o r.
11-3/4" (300 mm)
TOTO*
,4 8".
(203mm)
1
Perfection by Design

Turn the PVC outlet connection upside down. Firmly press a
new wax seal onto the circular recess around the outlet opening.
Turn the outlet connection upright and lower it into position
over closet flange. With the unit properly
aligned, press down firmly to set
w a x s e a l .
CAUTION: DO NOT move
the outlet connection after
t h e w a x s e a l i s s e t .
Insert washers
and thread
n u t s o n t o
mounting bolts
and hand tighten.
Then tighten bolts
an additional
1/2 turn.
S e c u r e b a c k s i d e
of outlet connec¬
tion to the floor using
t h e 4 s c r e w s a n d
washers.
I n s e r t t h e T- B o l t s i n t o t h e s l o t s w i t h i t s
head down and threaded shank pointed upward.
NOTE: Do not remove the white tie-wrap from rubber sleeve.
Level the PVC outlet. Do not use excessive force.
STEP 1Piping Check and Roughing-in
In order for your new TOTO toilet to fit correctly, check the
dimensions below. Wall
a) Distance
between
finished wall
to the center
of the toilet
outlet, Rough-In (“RI”):
C/L
Supply
Valve
Closet
Flange"RI"
“RI
99 Outlet Connection Part No.
T-Bolts
TSU01W.12
(supplied)
rubber
sleeve
12 inch
■Vd-
TSUOlW.lO
(optional -must be purchased separately) Li
nut
10 inch
®washer
t - 7 - 1 / 2 ' ▶
TSU01W.14 W
(optional-mustbepurchasedseparately)|iTTTn^LLLN,
slot
14 inch
Please make sure that you have the correct outlet connection part.
b) Water supply must be approx. 8in. or 10 in. to the left
(facing bowl) from center line of closet flange and approxi¬
mately 4-1/2 in. above the floor.
Removing Exhisting Toilet (If Necessary)
Turn off water supply. Flush the toilet, remove any remaining
w a t e r f r o m t a n k a n d b o w l .
Disconnect water connector. Remove tank and bowl. Remove
old wax seal and mounting bolts.
STEP 4Tank To Bowl Mounting
Make sure the large tank-to-bowl gasket is mounted over
flush valve outlet on underside of tank.
Make sure ballcock nut and flush valve nut are tightened
properly. Pick up tank and carefully guide flush valve outlet
into bowl inlet on bowl tank shelf
Place washers on mounting bolts. Support tank and align
mounting bolts through 1/2” holes in tank base and bowl
mount shelf Thread on nuts end,
hand tighten before releasing the
tank. Tighten nuts evenly until
tank sets snugly on bowl.
CAUTION: Do
not over-tight-
en nuts, dam¬
age to china
may result.
STEP 2Installing Mounting Bolts
Clean any debris out of the closet flange, then
install the mounting bolts into the slots of the
flange. The bolt should be inserted into the vS
s l o t w i t h i t s h e a d d o w n a n d t h r e a d e d
shank pointed upward. TANK-TO-BOWL GASKET
STEP 3Installing Outlet Connection
Drill 4holes 11/64” on the floor
at location shown. (1/4” holes
a r e f o r t i l e / c o n c r e t e fl oor
using anchors.) C/L
RUBBER WASHER
IF
Note: Do not
grab the over¬
flow tube for
handling the tank.
TANK
Closet
Flange
Anchor
BOWL
RI ADimension
A=3-1/2”10
B R A S S W A S H E R B R A S S N U T
4holes A=5-1/2”12
1 4 ” A = 7 - 1 / 2

STEP 5Installing Toilet STEP 7Operation
N O B A L L C O C K / F I L L VA LV E A D J U S T M E N T N E E D E D .
Water will automatically stop at proper level.
Flush toilet several times. Check flapper valve for proper
operation. Make sure that chain is not tangled and flapper
arm is in its proper position.
STEPS
nut
I n s t a l l t o i l e t t a n k l i d .
washer
spigot outlet ^ STEP 9
Cover'
Plate Install toilet seat. (Top Mount Bolt Set needed).
Insert rubber bushing nuts into bowl seat holes.
Note: Remove existing seat if necessary.
Place seat on bowl and rotate the hinge unit into place while
holding seat down on bowl.
Fasten and tighten bolt from top with screwdriver. Replace
bolt cap and lower lid (if necessary).
rubber
sleeve
Lift the toilet and gently lower it into position over closet
flange. Make sure that the spigot outlet of toilet slips into
rubber sleeve and T-Bolts fit through the openings in the
base of toilet.
NOTE: Apetroleum lubricant can be used on the rubber
sleeve to lubricate the spigot outlet for an easier installation.
Insert washer and thread nuts ontobolts and hand tighten.
Then tighten bolts an additional 1/2 turn. Install cover plates.
RNING: DO NOT over tighten the nuts, damage to
la or plastic parts may result.
Rubber
Bushing Net
STEP 6Connecting Water Line
Supply stop should be installed per supply stop instructions
at location shown in Step 1.
Flush water line briefly to ensure removal of debris.
Connect provided flexible supply to supply stop. CAUTION:
DO NOT OVER-TIGHTEN NUT.
Open supply
stop, check for
leakage. Slightly
retighten if nec¬
essary.
Vinter Supply
Pressure should
be: 20 to
80 psi Static
W a t e r I n l e t
REPLACEMENT PARTS
Washer
Flush Valve Fill Valve Trip Lever Model Flapper
Coupling Nut
CST764S THU092-3 THU 129 TSU05A.7 THU068#XX
Flexible Supply
T r i m P l a t e THU141#CPCST774S THU 138-3 THU129Z-2 TSU05A.7
Valve Nut
To order replacement parts please call 1-888-295-8134
Compression
Nipple
Valve

WATER LEVEL ADJUSTMENT
T R O U B L E S H O O T I N G G U I D E
1. PROBLEM: Fill valve turns on/off without toilet being flushed
a. PROBABLE CAUSE: No proper slack in flapper chain
SOLUTION: Adjust for proper slack
b. PROBABLE CAUSE: Flush valve flapper dirty
SOLUTION: Inspect and clean
2. PROBLEM: Fill valve continues running
a. PROBABLE CAUSE: Dirty fill valve seal
SOLUTION: Shut off water supply. Open fill valve
cap and clean valve seal
b. PROBABLE CAUSE: Flush valve flapper does not
seat properly
SOLUTION :Inspect, clean or adjust flapper position
3 . P R O B L E M : P o o r F l u s h
a. PROBABLE CAUSE: Trapway is obstructed
SOLUTION: Unclog trapway
b. PROBABLE CAUSE: Supply stop is partially closed
SOLUTION: Open supply stop
c. PROBABLE CAUSE: Venting is obstructed
SOLUTION: Clear venting pipe
d. PROBABLE CAUSE: Water supply is too low
SOLUTION: The minimum required supply pressure
is 20 psi. Consult your plumber.
4. PROBLEM: No flushing
a. PROBABLE CAUSE: Supply stop is closed
SOLUTION: Open supply stop
b . P R O B A B L E C A U S E : F l u s h v a l v e c h a i n i s t o o l o o s e
or disconnected
SOLUTION: Adjust chain length as needed
1. To adjust, simply turn upper half of valve counter-clockwise H
to unlock, pull up til water level is where the water line is marked '
theoverflowpipe.Fig.C,thenturnclockwisetillvai^^^v
'(fWiiliwRj \snaps into locked position.
2. Turn on 4
water supply
to fill tank.
3. Tamper
proof key is
optional, and may be used
simply to prevent further
adjustment once final setting
is achieved. Fig. D.
Water
Level WL
Fig. D
Fig. C
SERVICING
INSTRUCTIONS
1. Turn off water supply, then
flush toilet.
2. Snap off cover.
3. Gently press float arms inward and
remove float.
4. While holding valve with one hand,
twist cap 1/8 turn counter clock¬
wise and remove.
5. Lift out center tube as shown.
W A R N I N G ! D O N O T U S E I N - T A N K B O W L C L E A N E R S
The use of high concentration of chlorine or ohiorine-reiated products can
seriously damage fittings in the tank. This damage can cause leakage and
property damage. ●TOTO shall not be responsible or liable for any tank fit¬
ting failure or damage caused by the use of in-tank bowl cleaners.
6. Remov e s train e r form cen ter tube
as shown. Clean strainer and cap
by rinsing off under faucet.
7. Carefully reassemble the valve in
the reverse order.
TO ILE T TAN K FIL L VALVE INS TRU CTI ONS
G-Max /Power Gravity
IMPORTANT:
INSTALLATION Note position of cap when properly
assembled to the body. The ribs on
the cap are in line with the float
chamber and the refill port is aligned
1. Shut off water supply. Flush toilet;
sponge remaining water from tank.
Remove old ballcock.
2. Slide threaded valve-shaft through hole in
bottom of tank. Note: cone-* o
Be sure to install
valve in the locked
a s s h o w n .
—Mounting
Nut
Seal «.**-Rat Washer
^—Coupling
Nut RIBS IN LINE WITH
^— Copper Tube FLOATCHAURFR
position at the angle
shown in fig. A.
Thread mounting- ^
nut onto exposed
REFILL PORT
Fig. B
\
FLOAT
CHAMBER
shaft under tank and tighten nut.
DO NOT OVERTIGHTEN.
Gasket
7Wall
3. Connect water supply as shown in fig. B.
Pipe dope is not recommended. Hand tight¬
en only; do not overtighten coupling nut.
4. Finally attach refill tube to valve and clip
other end to overflow pipe.
^—Mounting
Flat Nut TOTO U.S.A., INC. ●1155 Southern Road, Morrow, GA 30260
Tel. [phone] ●Fax. [phone]
Washer,.J0b
Coupling
TOTO
Nut www.totousa.com
Printed in U.S.A.
Flanged
Supply Une
P e r f e c t i o n b y D e s i g n
R E V 0 3 / 0 1
OGU011Z