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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
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