Sears 153.336411, T53, 33631I Service and Adjustment, Venting System inspection, Burner Inspection

Service and Adjustment

Tank (Sediment) Cleaning

Sediment build-up on the tank bottom may create varying amounts of noise, and if left in the tank will cause premature 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. 3515) can be used to help remove the sedi- ment deposits. This may be ordered from the Sears Service Center. For orderirlg, refer to the "Parrs Order List" section.

AWARNING]

Soot build.up indicatesa problem that requires correction beforefurther use.Turn "OFF" gasto water heater and leave "OFF" until repairs are made, becausefailure to correctthe/ causeof the sootingcanresult in a fire or explosioncausing

DEATH,SERIOUSBODILYINJURY,OR PROPERTYDAMAGE.

Venting System inspection

At least once a year a visual inspection should be made of the venting system. You should look mr:

oObstructions which could cause improper venting. The com- bustion 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.

AWARNING

Chemical vapor corrosion of the flue and vent systemmay i occurif air for combustioncontainscertain chemicalvapors.

Spray can propellants,cleaningsolvents,refrigerator and air conditioner refrigerants,swlmmlng pool chemicals, calcium

and sodiumchloride,waxes,bleach,and processchemicalsare typicalcompoundswhichare potentiallycorrosive.

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Obstructedor deterioratedventsystemsmaypresenta serious

healthrisk or asphyxiation.

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1Be sure the vent piping is properly connected to prevent I escape of dangerousflue gasseswhich could causedeadly

[asphyxiation.

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if after inspectionof the vent system you found sootingor deterioration,somethingiswrong.Call the localgasutility to correctthe problemand cleanor replace the flue andventing beforeresuming operationof the water heater.

Burner Inspection

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Do not usethis applianceif anypart of it hasbeen underwater.

Immediately call a Sears Service Technicianto inspectthe appliance and to replace the gas control or any part of the

burner system which has been under water. {

At least once a year a visual inspection should be made of the main burner and pilor burner. The drawing is for your reference.

You should check for sooting which is not normal and wil! impair proper combustion.

Burner Cleaning

In the event your burner needs cleaning, use the following instructions:

If inspection of the burner shows that deaning is required, turn

the gas control knob clockwise (_"_) to the "OFF" position, depressing slightly.

NOTE: The knob cannot be turned from "PILOT" to "OFF" unless knob is depressed slightly. DO NOT FORCE.

Loose deposits on or around the burner can be removed by care-

fully using the hose of a vacuum cleaner inserted through the access door of the water heater. If the burner needs to be removed

for additional cleaning, calf the Sears Service Center to remove and clean the burner and correct the problem that required the burner to be cleaned.

L.R Gas Control Valve & Burner

Assembly Replacement

Information

AWARNING

PROPANE (L.R) GAS CONTROL VALVE AND BURNER

ASSEMBLY REPLACEMENT INFORMATION.

For Propane (LP.) Gas Models Only:

Your water heater is equipped with a Propane (LR) gas control valve and a main burner assemblywith left hand

threads for the following fittings and their connections.

(I)The connection between the manifold and the gas control valve (A to B) are left hand threads.

(2) The connection between the main burner ori-

fice and the manifold (C to D) are left hand

threads. For ordering these replacement parts,

please refer to the "Parts Order List" section of this manual.

2O