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I_ SECTION5 SERVICE TECH. INFORMATION
C. ROTARY VALVE SERVICE
IMPORTANT: 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 @ 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, Phillips screwdriver 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 a replacement is needed, be sure to use
the current replacement part.
ASSEMBLY
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,
round 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.
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 rotor (clockwise only) to
service postion.
f
spacer
switch _
olate
valve cam
_and gear
\
flow plug (back-
wash and fast rinse
flow rate control)
rotor&disc
W_r Stno
o-ring
__ rotor seal
drain seal
nozzle and
venturi seal
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 to-
ward the valve cam.
5-4
Problems, Questions? Call 1-800-426-9345 Kenmore Water Line