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SECTION 5 SERVICE mECH. INFORMATION
B. ROTARY VALVE SERVICE
BEFORE WORKING ON THE VALVE, TURN OFF
THE WATER SUPPLY AND DISCONNECT FROM
ELECTRICAL POWER. TO RELIEVE PRESSURE.
... THREE VALVE BYPASS: Close the inlet and open
a filtered water faucet. Then close the outlet valve
and open the bypass valve.
... SEARS SPECIAL BYPASS: Slide the bypass valve
stem to bypass position. Loosen the three 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).
DISASSEMBLY
To remove a part or group of parts, refer to the valve
drawing. A common screwdriver or nut driver, Phil-
lips screwdriver and pliers are the only tools needed
to completely disassemble.
SERVICING THE VALVE
Inspect all o- rings, seals and gaskets for wear or de-
fects.
Inspect the bottom surface of the rotor and disc for
scratches, chips or wear.
NOTE: If a replacement is needed, be sure to use the
current replacement part.
ASSEMBLY
Be sure all parts are in place and in the proper posi-
tion. Lubricate ALL o-rings, and seals with FDA ap-
proved silicone grease. To install the rotor seal, first
place the seal into the valve groove, round side
down (see cross section). Apply a light coating of sil-
icone grease to the seal's crossing ribs. Then careful-
ly center the wear strip on the seal, and push it
downward onto the seal.
\
flow plug (backwash
and fast rinse flow
rate control)
rotor & disc
venturi seal
Install the nozzle and venturi seal and drain seal.
Assemble two o-rings and the wave washer onto
the rotor and disc. The center the rotor and disc, in
the valve body, on the rotor seal.
Lower the cover onto the valve body and rotor shaft.
Then install the cover holding screws. BEFORE
TIGHTENING THE SCREWS, INSTALL THE
VALVE CAM AND GEAR, THEN TURN THE RO-
TOR (CLOCKWISE ONLY) TO SERVICE POSI-
TION.
5-5
Tighten the screws using a criss-cross 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 valve cam.
Problems, Questions? Call 1-800-426-9345 Kenmore Water Line