American Dryer Corp WDA-385 service manual

Contents

Main Retain This Manual In A Safe Place For Future Reference Important Page FOR YOUR SAFETY IMPORTANT Table of Contents SECTION I SECTION II SECTION III SECTION IV Page SECTION I Important Information A. Safety Precautions A. Cleaning SECTION II Routine Maintenance B. Adjustments C. Lubrication A. Enclosure, Air Supply, and Exhaust Requirements SECTION III Installation Requirements B. Electrical and Gas Requirements C. Operational Service Check Procedure Page A. Control Panel B. Control Box SECTION IV Description of Parts C. Coin Box and Vault E. Lint Coop F. Tumbler D. Main Door Switch G. Tumbler Bearing and Pulley Arrangement I. Motor Assembly H. Idler Bearing K. Sail Switch J. Temperature Sensors L. Motor Contactor (1 Motor) M. Non-Reversing Contactor (3 Motor) N. Hi-Limit Thermostat 14 SECTION V NOTE: Use caution when handling MP Controller. Easily damaged by static electricity. Servicing WARNING: PERSONAL INJURY COULD RESULT To Replace Control Panel Assembly To Replace Keypad (refer to illustration above) To Replace Computer NOTE: Use caution when handling MP Controller. Easily damaged by static electricity. Page 17 To Replace Microprocessor Temperature Sensor Probe NOTE: DO NOT remove screws. To Replace Motor Contactor 2-Pole, 24VAC Page 19 To Replace Spark Ignitor NOTE: Before re-establishing power to dryer, visually check the following: (see illustration) To Replace Gas Valve To Test and Adjust Gas (Water Column) Pressure To Replace Main Burner Orifices (See Chart On Following Page) To Replace Burner Tubes Page To Remove The Temperature Sensor or High Heat Protector C. Sail Switch Assembly To Replace Sail Switch 25 To Adjust Sail Switch D. Front Panel and Main Door Assemblies To Replace Main Door Switch (Steel Door) TO REPLACE MAIN DOOR ASSEMBLY (STEEL DOOR) Page To Replace Front Panel Page To Replace Rear Tumbler Bearing To Replace The Front Tumbler Bearing 31 F. Idler and Bearing Assembly (Remove backguard to access assembly.) To Replace Idler Pulley To Replace Idler Bearing G. Drive Pulley H. Tumbler (basket) Tumbler Alignment (vertical) Tumbler Alignment (lateral) 34 To Replace The Tumbler and/or Tumbler Support NOTE: Identify location of each wire for correct re-installation. IMPORTANT: When removing front panel assembly be careful not to damage door switch wires. Page I. V-Belts (refer to illustration in Sections I, J and K) V-Belt Tension Adjustment-Tumbler To Idler V-Belt Tension Alignment - Motor To Idler Page A. Phase 5 Coin System Diagnostics Diagnostic (L.E.D. Display) Failure Codes SECTION VI Trouble Shooting L.E.D. Display Indicators Microprocessor Controller Relay Output L.E.D. Indicators Page B. No Heat Condition 42 C. No Start Condition D. No Display Condition Page E. "dSFL" Display Condition F. "dOOr" Display Condition A. Data Label SECTION VII Technical Information B. Using A Manometer C. L.E.D. Display Codes D. Computer Logic and Wiring Diagram