SECTION5 | SERVICE TECH. INFORMATION |
B. ROTARY VALVE SERVICE
Before working on the valve, turn offthe 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 3 hex head screws toward the back side of the valve to allow pressure water to bleed out. Catch water with a rag.
DISASSEMBLY
"lb 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
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
place the seal into the valve groove, rounded side
down (see
downward onto the seal.
Install the nozzle and venturi seal and drain seal.
Assemble wave washer bearing, the wave washer, and two
Lower the cover onto the valve body and rotor shaft. Then install the cover holding screws. Before tight- ening the screws, install the valve cam and gear. Then, turn the rotor (clockwise only) to service posi-
tion. Tighten the screws using a
If a torque wrench is available, torque to
Lubricate the gear on the motor, and the valve cam
gear with Molykote grease, or other high quahty gear lubricant.
Be sure to orient switch as shown, with lever toward the cam.
cam & sear
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