ADC ML-82 service manual To Replace Burner Tubes, To Replace HSI Module

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To Replace Burner Tubes

1. Refer to “Replace Gas Valve” and follow Steps #1 through Step #6.

2.Remove four (4) screws securing the Hot Surface Ignitor (HSI) module mounting bracket.

3.Remove front flanges of the burner tubes to the burner tube rest.

4. Remove the screws securing the burner tube rest to the oven and remove this rest.

5. Remove screws securing burner box cover plate to the oven and remove the cover.

6. Remove burner tubes by sliding them out.

7. Replace by reversing procedure.

To Replace HSI Module

1.Discontinue electrical power to the dryer.

2.Remove the wires connected to the terminal strip

at the bottom of the module. (Mark correct location of each wire to aid in replacement on new module).

3. Remove the four (4) pal nuts securing the module to the mounting bracket.

4.Replace module by reversing procedure.

5.Reestablish electrical power to dryer.

C. TO REPLACE BURNER HI-LIMIT THERMOSTAT (GAS MODELS ONLY)

1. This thermostat is an important safety device as an added protection against failure of the airflow (sail switch) to open in the event of motor failure or reduced airflow conditions.

IMPORTANT: Under no circumstances should heat circuit safety devices ever be disabled.

NOTE: Models manufactured as of 1998 are equipped with a manual reset hi-limit thermostat.

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Contents ML-82 Retain This Manual In a Safe Place For Future Reference For Your Safety Page Table of Contents Section SERVICE/PARTS Information Important Information Safety PrecautionsStandards Specifications SPECIFICATIONS/COMPONENT IdentificationSpecifications MLG-82 Gas MLS-82 Steam Component Identification Page Cleaning Routine MaintenanceLubrication AdjustmentsDoor Switch Assembly Control Panel AssemblyLint Drawer Lint Drawer Switch Description of PartsTemperature Sensor Bracket Assembly Basket and Support AssemblyTumbler Bearing Assembly DRIVE/FAN Mount Assembly Idler ARM AssemblyBlower Motor Sail Switch Assembly HSI HOT Surface Ignition Burner BOX AssemblyFront Panel Assembly Reversing Relay Panel Introduction ServicingTo Replace Microprocessor Temperature Sensor Probe To Replace Keyboard Label AssemblyComputer Controls To Replace Computer BoardTo Remove Hot Surface Ignitor Ignition ControlsTo Remove Flame Sensor Probe HSI Ignitor Flame Sensor ProbeTo Replace Gas Valve Refer to burner illustration on To Test and Adjust Gas Water Column PressureTo Replace Main Burner Orifices To Convert Natural Gas to L.P. Gas To Replace HSI Module To Replace Burner TubesTo Replace Burner HI-LIMIT Thermostat GAS Models only Sail Switch Assembly GAS Models only To Adjust Sail Switch To Replace Sail SwitchTo Install New Main Door Glass To Replace Main Door AssemblyTo Replace Main Door Hinge Block To Replace Front PanelTo Replace Steam Coil Damper System Steam Controls InstallationTo Replace The Needle Valve To Replace PistonTo Replace the 3-Way Micro Valve To Replace Steam CoilTo Replace Tumbler Pulley Reversing Tumbler and Bearing AssemblyTo Replace The Rear Tumbler Bearing To Replace The Front Tumbler Bearing Idler Shaft and Bearing AssemblyTo Replace Idler Pulley To Replace Idler BearingTumbler Basket Drive PulleyTumbler Alignment Vertical To Replace The Tumbler And/Or Tumbler Support Tumbler Alignment LateralBelts Refer to Illustrations in Sections I and K Belt Tension Adjustment-Tumbler To IdlerTo Replace V-Belts Belt Tension Alignment Motor To IdlerDiagnostic L.E.D. Display Failure Codes Phase 6 OPL System DiagnosticsPage E.D. Display Indicator Number E.D. Light Emitting Diode Display IndicatorsPage AIR AIR JET Output L.E.D. Indicator Optional FAN Blower Output L.E.D. light emitting diode IndicatorHT1 Heat Output L.E.D. Indicator Fuse Main Fuse Input L.E.D. IndicatorMain Main Door Input L.E.D. Indicator Lint Lint Door Input L.E.D. light emitting diode IndicatorDrum Tumbler HI-LIMIT Input L.E.D. Indicator Sail Sail Switch Input L.E.D. IndicatorPower Supply Input L.E.D. Indicator E.D. Codes GAS Models only Power 24 VAC is not Evident AT GAS Valve Fault CodesGAS/ELECTRIC only BURNER/OVEN Open HI-LIMIT Circuit GAS only Ignition Attempt FailureComputer will not accept keypad touchpad entries TroubleshootingDryer operates but is taking too long to dry Drive motor runs, burner is on, but basket will not turnThermal overload for drive motor is tripping Overload for impellor fan motor is tripping Burner hi-limit safety thermostat is trippingThere is excessive vibration coming from the basket Electrical Troubleshooting Drive motor reverses but does not forward, blower motor runs No Display ConditionLint Door Condition Blower motor does not operate, drive motor runsTemp Sensor Fail Check Main Door ConditionMotor Plate High and LOW Voltage Technical InformationFor example Contact American Dryer Corporation Data LabelAmerican Gas Association, Canadian Gas Association Data Label Model DryerManual Reset HI-LIMIT Instructions Computer Logic Service SERVICE/PARTS InformationParts Returning Warranty Cards Warranty InformationReturning Warranty Parts Page ML-82 Tool List ADC 450404 1- 12/21/99-50