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[i!i !! _; _ !! _; _ !! _; _ !! _;SECTION
5
SERVICE TECH. INFORMATION
B. ROTARY
VALVE
SERVICE
Before working
on the valve, turn off the water
sup-
ply and disconnect
from
electrical
power.
TO RE-
LIEVE
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
position.
Loosen
three
hex
head
screws
toward
the back
side 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 de-
fects.
Inspect
the bottom
surface
of the rotor for scratches,
chips
or wear.
Note:
If 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,
rounded
side
down
(see cross-section).
Apply
a light
coating
of
silicone
grease
to the seal's crossing
ribs. Then, care-
fully center
the wear
strip
on the seal, and push
it
downward
onto the seal.
criss-cross
pattern.
If a torque
wrench
is available,
torque
to 30-40 inch pounds.
Install
bearing
onto
gear
shaft.
Install
motor
plate
and tighten
screws
to a snug fit. See page 6- 5 for de-
tailed
schematic.
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.
motor mounting
T_._._ -/screws
mc°te°r p late
//motor
plastic bearing
cam & gear
"'_
1
switch
seal
rotor
rotor seal
Install
the nozzle
and venturi
seal and
drain
seal.
Assemble
wave
washer
bearing,
the wave
washer,
and two o-rings
onto the rotor top shaft. Then center
the rotor
in the valve
body, on the rotor
seal.
sensor
housing
Lower
the cover onto the valve body and rotor shaft.
Then install
the cover holding
screws.
Before
tight-
see
ening
the screws,
install
the valve
cam and gear.
assembly
Then, turn the rotor (clockwise
only) to service
posi-
service,
tion.
Tighten
the
valve
assembly
screws
using
a
page3-2
drain seal
nozzle & venturi seal
l_rbiene support
5-5
Problems,
Questions?
Call 1- 800- 426- 9345 Kenmore
Water Line
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