Kenmore 153.336333 Replacing the Manifold/Burner Assembly, Piezoelectric Igniter System

Page 31

Replacing the Manifold/Burner Assembly

WARNING

Explosion Hazard

Tighten both manifold door screws securely.

Remove any fiberglass between gasket and combustion chamber.

Replace viewport if glass is missing or damaged.

Replace manifold component block if missing or removed.

Replace door gasket if damaged.

Failure to follow these instructions can result in death, explosion, or fire.

1.Check the door gasket for damage or imbedded debris prior to installation.

2.Inspect the view port for damage and replace as required.

3.Insert the manifold/burner assembly into the burner compartment, making sure that the tip of the manifold tube engages in the slot of the bracket inside the combustion chamber (Figures 39 & 40).

4.Inspect the door gasket and make sure there is no fiberglass insulation between the gasket and the combustion chamber.

5.Replace the two screws, which secure the manifold/ burner assembly door to the combustion chamber and tighten securely. Once the manifold/burner assembly door is tightened, visually inspect the door gasket between the manifold/burner assembly door and the combustion chamber for spaces or gaps that would prevent a seal. IMPORTANT: Do not operate the water heater if the door gasket does not create a seal between the manifold door and the combustion chamber.

6.During the following procedure, do not cross-thread or apply any thread sealant to any of the fittings listed below. First, reconnect the manifold tubing to the gas control valve/ thermostat. NOTE: L.P. gas systems use reverse (left-hand) threads on the manifold tube.

NOTE: If a ferrule nut needs to be installed for the pilot tube, locate the one provided with your parts kit. Install it in the gas control valve/thermostat at the pilot location, hand tight only.

Next, insert the pilot tube into the ferrule nut until it bottoms out. NOTE: Hold the tube in this position. Tighten the ferrule nut with a wrench until the crimp connection seals to the pilot tube. Continue to tighten until the nut is tight in the gas

control valve/thermostat. Finally, start the thermocouple nut and turn it all the way in by hand. An additional quarter turn with a 3/8” open-end wrench will then be sufficient to seat the lockwasher. When you are finished, connect the two wire leads that go to the thermal switch.

7.Reconnect the igniter wire.

8.Turn gas supply on and refer to the Lighting Instructions.

9.With the burner lit, check the gas control valve/thermostat supply line, manifold component block, manifold tube, and pilot tube connections for leaks. Check for leaks by brushing on an approved noncorrosive leak detection solution. Bubbles forming indicate a leak. Correct any leak found. IMPORTANT: All leaks must be fixed immediately.

10.Replace the outer door.

FLAME ARRESTOR BRACKET

DOOR GASKET

TIP

FIGURE 39.

CLOSE-UP INSIDE VIEW OF

THE COMBUSTION CHAMBER.

SLOT

TIP BRACKET

MANIFOLD TUBE

FIGURE 40.

Piezoelectric Igniter System

The piezoelectric igniter system consists of the igniter button, electrode, and wire. The pilot is ignited by an electric spark generated when the igniter button is pressed. The spark gap of 0.125 inch is set when the electrode is installed at the factory. (Figure 41). Use only factory authorized piezoelectric igniter parts for replacement.

IGNITER

BUTTON

 

 

THERMOCOUPLE

 

 

PILOT

WIRE

 

.125” *

PILOT

TIP

TO

ELECTRODE

BRACKET

ELECTRODE

SNAP-ON CONNECTOR

* NOTE: SPARK GAP DISTANCE MEASURED FROM ELECTRODE TIP TO PILOT.

FIGURE 41.

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Contents Sears, Roebuck and Co., Hoffman Estates, IL 60179 U.S.A Power Miser GAS Water HeaterSafety Precautions Safe INSTALLATION, USE and ServiceFire or Explosion Hazard Table of Contents Troubleshooting Guide Year Limited Warranty on Water Heater Product WarrantyImportant Information About This Water Heater Customer ResponsibilitiesJacket TOP Product SpecificationsMaterials Needed Materials and Basic Tools NeededVent Pipe Inner Door Typical InstallationImportant Information about this Water Heater Installation ChecklistRemoving the Old Water Heater Installation InstructionsSite Location Location RequirementsInsulation Blankets Clearances and AccessibilityGas Piping Filling the Water HeaterGAS Supply Gas RequirementsGas Pressure Gas Pressure TestingLP Gas Only Unconfined Space Combustion AIR Supply & VentilationAll Air from Inside the Building Louvers and Grilles All Air from OutdoorsVent Pipe Size Draft Hood InstallationVent Connectors Vent Pipe SystemVertical Exhaust Gas Vent Chimney ConnectionWater System Piping Piping InstallationClosed System/Thermal Expansion Temperature and Pressure Relief ValveLighting Instructions Operating Your Water HeaterEmergency Shut Down Water Temperature RegulationChecking the Draft Burner Flames110 Vent System Inspection Burner Inspection Service and AdjustmentTank Sediment Cleaning Burner CleaningDraining and Flushing Temperature-Pressure Relief Valve OperationHousekeeping Anode Rod InspectionService Maintenance of Your Water Heater Cleaning the Combustion Chamber and Flame-arrestor Replacing the Pilot/ Pilot Tube AssemblyPiezoelectric Igniter System Replacing the Manifold/Burner AssemblyRemoving the Gas Valve Testing the Igniter SystemFvir System Operational Checklist Removing and Replacing the Gas Control Valve/ThermostatStart Up Conditions Troubleshooting GuideCondensation Operational ConditionsLeakage Checkpoints Problem Possible Causes Corrective Action Troubleshooting ChartThermostat Fails to YES Pilot Light Troubleshooting FlowchartPage Model Numbers Key No. Part Description Parts Order ListPower Miser 6 GAS Water Heater Page Page MY-HOME1-800-469-4663 Get it fixed, at your home or ours

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