Installation Guide

9
ENGLISH
1. Shut off the water supply. Flush the toilet and remove
any remaining water from the tank. Remove the old fill
valve.
2. Install new fill valve by sliding the threaded portion of
the shaft through the hole in the bottom of tank.
3. Thread mounting nut onto exposed shaft under the
tank/bowl and tighten nut.
WARNING! Do not over-tighten.
4. Connect the water supply (see Ill. 1 or Ill. 2). Pipe dope
is not recommended. Attach the refill tube to the
valve and clip the other end to the overflow pipe.
Water Level Adjustment
1. Remove the tamper proof key (see Ill. 3) and turn the
upper half of the valve counter-clockwise to unlock it
(see Ill. 4). Pull up the valve and set it to the desired
water level, then turn it clockwise until the valve snaps
into the locked position.
2. Turn on the water supply.
NOTE: The tamper proof key is optional and may be used
to prevent further adjustment.
Fill Valve Servicing Instructions
1. Turn off the water supply, then flush
the toilet.
2. Snap off the cover (see Ill. 1).
3. Gently press the float arms inward
and remove the float (see Ill. 2).
4. While holding the valve with one
hand, twist the cap 1/8 turn counter-
clockwise and remove it (see Ill. 3).
TOILET TANK FILL VALVE INSTRUCTIONS
FILL VALVE/ FLUSH VALVE SERVICING INSTRUCTIONS
CST405MF & CST406MF
Replacement Procedure
Gasket
Tank Wall
Mounting
Nut
Flanged
Supply Line
Coupling
Nut
Flat
Washer
Gasket
Tank Wall
Mounting
Nut
Cone
Seal
Flat Washer
Coupling
Nut
Copper Tube
Ill. 2
Ill. 1
Lock
Unlock
Ill. 3 Ill. 4
Ill. 1 Ill. 2
Ill. 3
5
Ill. 4