User manual BOSCH SMD 53M74EU/80 SUPPLEMENT

[. . . ] This warranty gives you specific legal rights, and you may have other rights which vary from state to state. Sears, Roebuck and Co. , D/817 WA, Hoffman Estates, IL 60179 If you want your water softener professionally installed, talk to your Sears Salesman. He will arrange for a prompt, quality installation by Sears Authorized Installers. SEARS INSTALLATION POLICY All installation labor arranged by Sears shall be performed in a neat, workmanlike manner in accordance with generally accepted trade practices. Further, all installations shall comply with all local laws, codes, regulations, and ordinances. [. . . ] NOZZLE AND VENTURI A clean nozzle and venturi (FIG. 10) is a must for the softener to work right. This small unit moves brine from the salt storage tank to the resin tank during regeneration. If it becomes plugged with sand, silt, dirt, etc. , the softener will not work and you will get hard water. To get to the nozzle and venturi, remove the softener top cover. Be sure the softener is in service cycle (no water pressure at nozzle and venturi). Then, holding the housing tightly with 1 hand, turn the cap off. Lift out the screen support and screen, then the nozzle and venturi. Wash and rinse the parts in warm water until clean. If needed, use a small brush to remove iron or dirt. Carefully replace all parts in the correct order. Lubricate the o ring seal with silicone grease or Vaseline and place in position. Remove the salt hole cover and the main cover. Carefully remove the large holding clips at the softener inlet and outlet (see Key No. Separate the softener from the adaptors or bypass valve. Remove the brinewell cover and disconnect the brine valve tubing at the nozzle and venturi assembly (see page 23). Lift the brine valve out of the brinewell. Tip the brine valve upside down to drain out water. floor drain wood block 8. 11, lay a piece of 2 inch thick board near the floor drain. Slowly and carefully, tip it over until the rim rests on the wood block with the inlet and outlet over the drain. Do not allow the softener's weight to rest on the inlet and outlet fittings or they will break. Tip the bottom of the softener up a few inches and hold until all water has drained. Leave the softener laying like this until you are ready to use it. [. . . ] When the brine valve closes to end brine draw, water flow continues in the same directions to slowly RINSE brine from the resin bed and to the drain. BACKWASH CYCLE flow plug drain bypass hard water to valve outlet Timer/switch action again allows the motor to turn the rotor & disc to place the valve in BACKWASH, stopping water flow to the nozzle. Water is routed down and out the bottom distributor, up through the bed, and out the top distributor to the drain. The fast flow (controlled by a flow plug in the drain fitting) flushes dirt, sediments, iron deposits, remaining brine and hardness to the drain. 25 SECTION 5 SERVICE TECH. WATER FLOW THROUGH THE SOFTENER VALVE FAST RINSE CYCLE drain soft water to valve outlet During FAST RINSE, the rotor & disc is positioned so water flow enters the resin tank through the top distributor, and exits through the bottom distributor, to the drain. [. . . ]