Rotary Valve Service, Disassembly, Assembly

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.

spacer

switch _

olate

valve cam

_andgear

flow plug (back-

wash and fast rinse

flow rate control) rotor&disc

o-ring

W_r Stno

__	drain seal
	rotor 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