Filter
Top Products
SECTION 5 SERVICER'S TECH. INFORMATION
I I
5B.
ROTARY VALVE SERVICE
BEFORE WORKING ON THE VALVE, TURN
OFF THE WATER SUPPLY AND DISCONNECT
FROM ELECTRICAL POWER. TO RELIEVE
PRESSURE...
...3 VALVE BYPASS: Close the inlet valve and
open a soft water faucet. Then close the outlet
valve and open the bypass valve.
...SEARS SPECIAL BYPASS: Slide the bypass
valve stem to bypass posiUon.Loosen the 3 hex
head screws (see A in drawing) toward the
backside of the valve to allow pressure water to
bleed out (catch water with a rag).
To remove a part or group of parts, refer to the
valve drawing. A common screwdriver or nut
driver, Phillipsscrewdriver and pliers are the only
tools needed to completely disassemble.
SERVICING THE VALVE
Inspect all o-rings, seals and gaskets for wear or
defects.
Inspect the bottom surface of the rotor and disc
for scratches, chips or wear.
NOTE: If replacement is needed, be sure to use
the current replacement bart.
Be sure all parts are in place and in the proper
position. Lubricate ALL o-rings and seals with
FDA approved silicone grease. To install the
rotor seal, first place the seal into the valve
groove, rounded side down (see cross-section).
Apply a light coating of silicone grease to the
seal's crossing ribs. Then, carefully center the
wear strip on the seal, and push it downward
onto the seal.
Installthe nozzle and venturiseal and drainseal.
Assemble 2 o-dngs and the wave washer onto
the rotor and diSC.Then center the rotor and disc,
in the valve body, on the rotor seal.
Lower the cover onto the valve body and rotor
shaft. Then instaJl the cover holding screws.
BEFORE TIGHTENING THE SCREWS,
INSTALL THE VALVE CAM AND GEAR. THEN
TURN THE ROTOR (CLOCKWISE ONLY) TO
SERVICE POSITION. Tighten the screws using
a crisscross pattern. If a torque wrench is
available, torque to 30-40 inch pounds.
Lubricate the gear on the motor, and the valve
cam gear with Molykote grease, or other high
quality gear lubricant.
Be sure to orient switch as shown, with lever
toward the cam.
T '
-
NOTE:IFTOUNEEDTO
REMOVE THE VALVE
F'RON _
TANK, DO NOT RE-
MOVE THE TOP DtS-
"rP4BUTOROR RESIN
LOSSWU.LOO_JR_
23