Kenmore 33968 Owners Manual - Page 20

Tank Sediment Cleanin Sediment build-up on the tank bottom may create varying amount of noise and if left in the tank will cause permanent tank failure, in some water areas, you may not be able to drain all sediment deposits by simply draining the tank. In these cases Mag-Erad (part no. 23600) can be used to help remove the sediment deposits. This may be ordered from the Sears Service Center. For ordering, refer to the Parts Order List section. Vent System inspection Carbon Monoxide and Fire Hazard • Flue gases may escape if vent pipe is not connected. • Be alert for obstructed, sooted or :_:_'_t,_._ serious injury or death. _"_._i!i!i! • deteriorated vent system to avoid • Do not store corrosive chemicals • Chemical corrosion of flue and vent system can cause serious injury or __ idneavtihc.inity of water heater. Breathing carbon monoxide can cause brain damage or death. Always read and understand instruction manual. Burner inspection Flood damage to a water heater may not be readily visible or immediately detectable. However, over a period of time a flooded water heater will create dangerous conditions which can cause DEATH, SERIOUS BODILY INJURY, OR PROPERTY DAMAGE. Contact a Sears Service Center to replace a flooded water heater. Do not attempt to repair the unit! It must be replaced! At least once a year a visual inspection should be made of the main burner and pilot burner. See Figure 24. You should check for sooting. Soot is not normal and will impair proper combustion. Soot build-up indicates a problem that requires correction before further use. Turn "OFF" gas to water heater and leave off until repairs are made, because failure to correct the cause of the sooting can result in a fire causing death, serious injury, or property damage. Burner Cleanin FIGURE 24, At least once a year a visual inspection should be made of the venting system. You should look for: Obstructions which could cause improper venting. The combustion and ventilation air flow must not be obstructed. Damage or deterioration which could cause improper venting or leakage of combustion products. Rusted flakes around top of water heater. Fire or Explosion Hazard Failure to properly reseal the combustion chamber will disable the flammable vapor ignition resistance feature of this water heater, which could result in death or serious injury. Contact your local Sears Service Center for assistance. Be sure the vent piping is properly connected to prevent escape of dangerous flue gasses which could cause deadly asphyxiation. Read instruction manual before installing, using or servlctng water heater. Obstructions and deteriorated vent systems may present serious health risk or asphyxiation. In the event your burner needs cleaning, following these Chemical vapor corrosion of the flue and vent system may occur instructions: if air for combustion contains certain chemical vapors. Spray can propellants, cleaning solvents, refrigerator and air conditioner refrigerants, swimming pool chemicals, calcium and sodium chloride, waxes, bleach and process chemicals are typical If inspection of the burner shows that cleaning is required, turn the gas control knob clockwise ( f_ ) to the "OFF" position, depressing slightly. compounds which are potentially corrosive. NOTE: The knob cannot be turned from "PILOT" to "OFF" unless knob is depressed slightly, DO NOT FORCE. If when inspecting the vent system you find sooting or deterioration, something is wrong. Call the local gas supplier to correct the problem and clean or replace the flue and venting The burner needs to be removed for cleaning. Call the Sears Service Center to remove and clean the burner and correct the before resuming operation of the water heater. problem that required the burner to be cleaned. 2O