Servicing, Introduction | American Dryer Corp AD-170 specification

SECTION V

Servicing

Introduction

ALL electrical/mechanical service or repairs should be made with the electrical power to the dryer disconnected (power off).

WARNING: PERSONAL INJURY COULD RESULT

The information provided in this section should not be misconstrued as a device for use by an untrained person making repairs. Service work should be performed by competent technicians in accordance with local, state, and federal codes.

When contacting the factory for assistance, always have the dryer model and serial numbers available.

CAUTION: Observe ALL safety precautions displayed on the dryer or specified in this manual before and while making repairs.

Before considering replacement, make sure that ALL connectors are in place and making proper contact.

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American Dryer Corp AD-170 service manual Servicing, Introduction

Contents

AD-170 AD-170 Retain This Manual In a Safe Place For Future ReferencePage For Your Safety Table of Contents Sail Switch Assembly Important Information Safety Precautions Cleaning Routine Maintenance Lubrication Adjustments Enclosure, Air Supply, and Exhaust Requirements Installation Requirements Electrical and Gas Requirements Operational Service Check Procedure Description of Parts Computer Panel AssemblyControl Box DSI Module Gas Models Only Drive Motor Gas Burner AssemblyBlower Motor and Impellor Hz Gas Models Only Blower Motor and Impellor 50Hz, 60Hz Steam & 50Hz Gas Basket Tumbler Idler AssemblyTumbler Bearing and Pulley Arrangement Hi-Limit Gas Models Only Main Door SwitchSail Switch Gas Models only Lint Drawer Switch Automatic Reset ThermostatLint Drawer Steam Damper System Introduction Servicing Computer Controls To Replace Computer To Replace Keyboard Label Assembly To Replace Microprocessor Temperature Sensor Probe Page To Replace Main Burner Orifices To Replace Gas Valve see burner illustration on To Test and Adjust Gas Water Column Pressure To Convert from Natural Gas to L.P. Gas To Replace Burner Tubes To Replace DSI Module Sail Switch Assembly Gas Models Only To Adjust Sail Switch To Replace Sail Switch To Install New Main Door Glass To Replace Main Door Assembly To Replace Main Door Hinge Pad To Replace Front Panel To Replace Small Idler Pulley Pulleys To Replace Tumbler Pulley To Replace Motor Pulley To Replace Large Idler PulleyPage To Replace Tumbler Basket or Tumbler Basket Support Basket Alignment Lateral Side to Side Adjustment Important Never strike the shaft directly with a hammer To Replace Front Idler Shaft Pillow Block Bearing To Replace Front Basket Support Pillow Block Bearing Belts See illustrations in section F Pulleys Belt Tension Adjustment Basket to IdlerTo Replace Rear Idler Shaft Pillow Block Bearing Motors To Replace Drive Motor Belt Tension Adjustment Motor to IdlerTo Replace V-Belts Page Impellor Lint Drawer Assembly To Replace Lint ScreenTo Replace Lint Drawer Switch Computer will not accept key pad entries TroubleshootingNo display on computer Drive motor runs, burner is on, but basket will not turn Dryer will not start, but computer display indicators are on Dryer operates but is taking too long to dry Dryer operates, probe sparks, but gas does not flow Overload for impellor fan motor is tripping Dryer is cycling on burner hi-limit safety thermostatThermal overload for drive motor is tripping There is excessive vibration coming from the basket Display reads dSFL. Dryer Sensor Circuit FailureDryer does not start. Display reads door Electrical Trouble Shooting Diagnostic LED Display Failure Codes Phase 5 OPL System Diagnostics LED Display Indicators Page Page Cycle Status LED Display/Codes CY F LED Display Codes Fill Computer Logic and Wiring Diagram Fault CodesPage No Display Condition Page Blower motor does not operate, drive motor runs Door condition Microprocessor reads Dsfl Motor Plate High and Low Voltage Technical Information Information on the Data Label Data Label Contacting American Dryer Corporation ADC HOW to USE a Manometer Using a Manometer AD-170SE Tool List ADC450400 1- 02/27/98-50