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Rotary Valve Service - Kenmore 625.348235 Owner's Manual

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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

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