SECTION 5
SERVICE TECH. INFORMATION
5B.ROTARY VALVE SERVICE
Before working on the valve, turn off the water supply and disconnect from electrical power.
TO RELIEVE PRESSURE:
a soft water faucet. Then close the outlet valve and open the bypass valve.
stem to bypass position. Loosen the 3 hex head screws (see A in drawing) 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
Inspect the bottom surface of the rotor and disc 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 position. Lubricate ALL
Install the nozzle and venturi seal and drain seal. Assemble 2
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 position. Tighten the screws using a
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.
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