ADC ML-82 - page 64

ADC 450404 1- 12/21/99-50

Contents

Main Retain This Manual In A Safe Place For Future Reference Important Page Page Table of Contents Page SECTION I IMPORTANT INFORMATION A. SAFETY PRECAUTIONS Page A. SPECIFICATIONS SECTION II SPECIFICATIONS/COMPONENT IDENTIFICATION Steam Gas Page B. COMPONENT IDENTIFICATION Page SECTION III ROUTINE MAINTENANCE A. CLEANING B. ADJUSTMENTS C. LUBRICATION SECTION IV DESCRIPTION OF PARTS Page Page Page M. REVERSING RELAY PANEL SECTION V SERVICING INTRODUCTION A. COMPUTER CONTROLS To Replace Computer Board To Replace Keyboard Label Assembly NOTE: DO NOT remove screws. To Replace Microprocessor Temperature Sensor Probe B. IGNITION CONTROLS To Remove Hot Surface Ignitor To Remove Flame Sensor Probe HSI Ignitor Flame Sensor Probe To Replace Gas Valve (Refer to burner illustration on page 14) To Replace Main Burner Orifices To Test and Adjust Gas (Water Column) Pressure To Convert Natural Gas to L.P. Gas To Replace Burner Tubes To Replace HSI Module C. TO REPLACE BURNER HI-LIMIT THERMOSTAT (GAS MODELS ONLY) To Replace Lint Compartment Hi-Heat Protector (225 F [107 C]) Thermostat NOTE: DO NOT remove the screws. D. SAIL SWITCH ASSEMBLY (GAS MODELS ONLY) To Replace Sail Switch To Adjust Sail Switch E. FRONT PANEL and MAIN DOOR ASSEMBLIES To Replace Main Door Switch To Replace Main Door Assembly To Install New Main Door Glass To Replace Front Panel To Replace Main Door Hinge Block Page To Replace Piston To Replace The Needle Valve To Replace the 3-Way Micro Valve To Replace Steam Coil G. TUMBLER and BEARING ASSEMBLY To Replace Tumbler Pulley (Reversing) To Replace The Rear Tumbler Bearing To Replace The Front Tumbler Bearing H. IDLER SHAFT and BEARING ASSEMBLY To Replace Idler Pulley To Replace Idler Bearing NOTE: Check tension and alignment of belts before operating dryer. I. DRIVE PULLEY NOTE: If rust has developed on the shaft use an emery cloth to polish the shaft. NOTE: Check tension and alignment of belts before operating dryer. J. TUMBLER (BASKET) Tumbler Alignment (Vertical) NOTE: V-belt tension may need to be loosened. Tumbler Alignment (Lateral) To Replace The Tumbler And/Or Tumbler Support IMPORTANT: When removing front panel assembly be careful not to damage door switch wires. K. V-BELTS (REFER TO ILLUSTRATIONS IN SECTIONS I and K) V-Belt Tension Adjustment-Tumbler To Idler Page SECTION VI PHASE 6 OPL SYSTEM DIAGNOSTICS A. DIAGNOSTIC (L.E.D. DISPLAY) FAILURE CODES Page B. L.E.D. (LIGHT EMITTING DIODE) DISPLAY INDICATORS Page Page Page Page D. L.E.D. CODES Page SECTION VII TROUBLESHOOTING Page Page Page Page 1. No Display Condition 2. Drive motor reverses but does not forward, blower motor runs 3. Drive motor works in forward mode but does not reverse, blower motor runs 4. Blower motor does not operate, drive motor runs 5. Lint Door Condition 6. Main Door Condition 7. No Heat drive and blower motors run, display reads normal (gas models). 8. Temp Sensor Fail Check SECTION IX TECHNICAL INFORMA TION A. MOTOR PLATE (HIGH and LOW VOLTAGE) Page Page IMPORTANT C. COMPUTER LOGIC SECTION X SERVICE/PARTS INFORMA TION A. SERVICE B. PARTS SECTION XI WARRANTY INFORMATION A. RETURNING WARRANTY CARD(S) B. PARTS C. RETURNING WARRANTY PARTS Page D. ML-82 TOOL LIST