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American Dryer Corp ML-170, ML-145 service manual

Models: ML-145 ML-170

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WARNING

The dryer must never be operated with any of the back guards, outer tops, or service panels removed. PERSONAL INJURY or FIRE COULD RESULT.

WARNING

DRYER MUST NEVER BE OPERATED WITHOUT THE LINT FILTER/SCREEN IN PLACE, EVEN IF AN EXTERNAL LINT COLLECTION SYSTEM IS USED.

IMPORTANT

PLEASE OBSERVEALL SAFETY PRECAUTIONS displayed on the equipment and/or specified in the installation and operator's manual included with the dryer.

Dryers must not be installed or stored in an area where it will be exposed to water or weather.

The wiring diagram for the dryer is located in the front electrical control box area.

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American Dryer Corp ML-170, ML-145 service manual

Contents

ML-145 / ML-170 American Dryer CorporationRetain This Manual In a Safe Place For Future Reference For Your Safety Page Table of Content Section Technical Information Safety Precautions Important InformationStandards Routine Maintenance CleaningAdjustments LubricationENCLOSURE, AIR SUPPLY, and Exhaust Requirements Installation RequirementsElectrical and GAS Requirements Operational Service Check Procedure Gas 10.5 inches water column 26.1 mb Description of Parts Control Panel MicroprocessorControl Panel NON-MICROPROCESSOR Control BOXGAS Burner Assembly HSI HOT Surface Ignition ModuleGas Models only Drive MotorBlower Motor and Impellor GAS and Steam Idler AssemblyTumbler Basket Bearing and Pulley Arrangement Sail Switch Gas Models only Main Door SwitchTumbler Basket HI-LIMIT Gas Models only Automatic Reset ThermostatLint Drawer Lint Drawer Switch Temperature Sensor Bracket NON-COMPUTERSteam Damper System Compressed AIR RequirementsServicing IntroductionComputer Controls To Replace ComputerTo Replace Keyboard Touchpad Label Assembly To Replace Microprocessor Temperature Sensor ProbeIgnition Controls To Remove Flame Probe AssemblyTo Replace Gas Valve Refer to above burner illustration To Test and Adjust Gas Water Column Pressure To Replace Main Burner OrificesTo Convert from Natural Gas to L.P. Gas To Replace Burner TubesThermostats To Replace HSI Hot Surface Ignition ModuleTo Replace Burner Hi-Limit Thermostat Gas Models Only Sail Switch Assembly Gas Models only To Replace Sail SwitchTo Adjust Sail Switch To Replace Main Door AssemblyTo Install New Main Door Glass To Replace Front PanelPulleys To Replace Main Door Hinge BlocksTo Replace Tumbler Basket Pulley To Replace Small Idler Pulley To Replace Large Idler PulleyTumbler Basket Alignment Vertical Up and Down Adjustment Tumbler Basket AssemblyTo Replace Motor Pulley Tumbler Basket Alignment Lateral Side to Side Adjustment To Replace Tumbler Basket or Tumbler Basket SupportImportant Never strike the shaft directly with a hammer To Replace Front Tumbler Basket Support Pillow Block Bearing To Replace Front Idler Shaft Pillow Block BearingTo Replace Rear Idler Shaft Pillow Block Bearing Belt Tension Adjustment Tumbler Basket to IdlerBelts Refer to illustrations in section F Pulleys Belt Tension Adjustment Motor to Idler To Replace V-BeltsMotors To Replace Drive MotorImpellor Lint Drawer Assembly To Replace Lint Screen To Replace Lint Drawer SwitchTroubleshooting Computer will not accept keyboard touchpad entriesDisplay is reading Rotation Sensor Fail Display is reading no AirflowDisplay is reading Sail Switch Fail Display is reading Drum Safety FailDisplay is reading Burner Safety Fail Display is reading No HeatDisplay is reading Burner Control Failure Display is reading Burner Flame FailureDisplay is reading Main Door Display is reading Lint DoorDryer operates but is taking too long to dry Display is reading HotThermal overload for drive motor is tripping Overload for impellor fan motor is tripping There is excessive vibration coming from the tumbler basketElectrical Troubleshooting Phase 6 OPL System Diagnostics Diagnostic L.E.D. light emitting diode Display Failure CodesPage E.D. light emitting diode Display Indicators E.D. Display Indicator NumberE.D. Display Indicator Number 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. Indicator Lint Lint Door Input L.E.D. IndicatorMain Main Door Input L.E.D. Indicator Drum Tumbler Basket HI-LIMIT Input L.E.D. IndicatorFlame bURNER Control Fail Input L.E.D. Indicator Power Supply Input L.E.D. IndicatorD. DISPLAY/CODES E.D. Display Operating StatusPhase 6 OPL Microprocessor L.E.D. Displays E.D. Codes 1. Display Codes ALL REVGAS/ELECTRIC only BURNER/OVEN Open HI-LIMIT Circuit GAS Models only Power 24 VAC is not Evident AT GAS ValveGAS only Ignition Attempt Failure Computer Logic and Wiring Diagram No Display Condition Blower motor does not operate, drive motor runs No Heat Drive and Blower Motors Run Gas Models No Heat Drive and Blower Motors Run Steam ModelsDoor Condition Technical Information Motor Plate High and LOW VoltageData Label Information on the Data LabelUsing a Manometer How to Use a ManometerML-170 Tool List ADC 450429 1- 02/18/00-25