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American Dryer Corp WDA-385 service manual B. Using A Manometer

Models: WDA-385

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B. Using A Manometer

B. Using A Manometer

How To Use A Manometer

1.With dryer in non-operating mode remove plug on the gas valve pressure tap.

2.Attach plastic tubing to pressure tap. (fitting is supplied with manometer see illustration.)

3.Attach manometer to dryer using magnet.

NOTE: Place manometer in a position so that readings can be taken at eye level.

4.Fill manometer as shown in illustration to the zero (0) level.

5.Start dryer. With burner on take a reading.

A.Read water level at the inner tube. Readings should be taken at eye level.

B.Correct readings should be:

NATURAL GAS: 3.5 - 4.0 inches w.c. L.P. GAS: 11 -10.5 inches w.c.

6.If water column pressure is incorrect refer to "To Adjust Gas Pressure"

7.Reverse procedure for removing manometer.

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American Dryer Corp WDA-385 service manual B. Using A Manometer

Contents

ADG-385/WDA-385 Service Manual1996 thru 121396MFM/tf“IMPORTANT NOTE TO PURCHASER” Retain This Manual In A Safe Place For Future ReferenceDRYERS SHOULD NEVER BE LEFT UNATTENDED WHILE IN OPERATION VERIFY PROPER OPERATION AFTER SERVICINGCHILDREN SHOULD NOT BE ALLOWED TO PLAY ON OR NEAR THE DRYERS CHILDREN SHOULD BE SUPERVISED IF NEAR DRYERS IN OPERATIONFOR YOUR SAFETY Maintenance Table of ContentsInstallation Requirements Important InformationTechnical Information Trouble ShootingImportant Information A. Safety PrecautionsSECTION SECTION Routine MaintenanceA. Cleaning C. Lubrication B. AdjustmentsSECTION Installation RequirementsA. Enclosure, Air Supply, and Exhaust Requirements B. Electrical and Gas Requirements C. Operational Service Check ProcedurePage A. Control Panel Description of PartsB. Control Box C. Coin Box and VaultF. Tumbler D. Main Door SwitchE. Lint Coop H. Idler Bearing I. Motor AssemblyG. Tumbler Bearing and Pulley Arrangement K. Sail Switch J. Temperature SensorsN. Hi-Limit Thermostat L. Motor Contactor 1Ø MotorM. Non-Reversing Contactor 3Ø Motor SECTION To Replace Control Panel AssemblyServicing To Replace Keypad refer to illustration above To Replace ComputerTo Replace Coin Acceptor To Remove Optic SwitchNOTE DO NOT remove screws To Replace Microprocessor Temperature Sensor ProbeTo Replace Motor Contactor 2-Pole, 24VAC A. Burner Controls Gas To Replace Gas Valve To Replace Spark IgnitorTo Test and Adjust Gas Water Column Pressure To Replace Main Burner Orifices See Chart On Following PageNEVER TEST FOR LEAKS WITH A FLAME To Replace Burner TubesTo Replace Hi-Limit Thermostat 330º B. Thermostats and Temperature SensorTo Replace DSI Module To Remove The Temperature Sensor or High Heat Protector To Replace Sail Switch C. Sail Switch AssemblyTo Replace Main Door Switch Steel Door To Adjust Sail SwitchD. Front Panel and Main Door Assemblies TO REPLACE MAIN DOOR ASSEMBLY STEEL DOORTO INSTALL NEW MAIN DOOR GLASS NOTE Identify location of each wire for correct reinstallation To Replace Front PanelNOTE Check belt alignment before operating dryer E. Tumbler and Bearing Assembly Remove backguard to access assemblyTo Replace Tumbler Pulley NOTE Check alignment of pulleys before operating dryer To Replace Rear Tumbler BearingIMPORTANT LOCTITE NOW BEING USED To Replace The Front Tumbler Bearing To Replace Idler Pulley F. Idler and Bearing AssemblyRemove backguard to access assembly NOTE Check tension and alignment of belts before operating dryerG. Drive Pulley To Replace Idler BearingTumbler Alignment lateral H. Tumbler basket Tumbler Alignment verticalNOTE Identify location of each wire for correct re-installation To Replace The Tumbler and/or Tumbler SupportLOCTITE ADHESIVE HAS BEEN USED TO SECURE SET SCREWS AND BEARINGS IMPORTANT LOCTITE NOW BEING USEDIN PLACE. ONCE SET SCREWS HAVE BEEN REMOVED, A GEAR PULLER MAY BE NECESV-Belt Tension Alignment - Motor To Idler V-Belt Tension Adjustment-Tumbler To IdlerI. V-Belts refer to illustration in Sections I, J and K J. Motor To Replace Motor To Replace V-BeltsK. Impeller L. Lintscreen To Replace LintscreenA. Phase 5 Coin System Diagnostics Trouble ShootingDiagnostic L.E.D. Display Failure Codes SECTIONMicroprocessor Controller Relay Output L.E.D. Indicators L.E.D. Display IndicatorsNOTE If the dryer is started the L.E.D. display indicator dots are on and there are no outputs heat and/or motor output L.E.D.s are off and the dOOr input L.E.D. is on, the fault is in the Phase 5 coin microprocessor controller computer itself. If the failure was elsewhere i.e., dryers door switch circuit the L.E.D. display would read dOOr if a keyboard entry was attempted. If the L.E.D. display indicators are on and the door L.E.D. input and motor/heat output L.E.D.s are on and the motor and/or heat is not active ON, then the problem is not the door switch circuit or the Phase 5 coin microprocessor controller the problem is else where in the dryer B. No Heat Condition Page C. No Start Condition D. No Display Condition Page E. dSFL Display Condition F. dOOr Display Condition SECTION Technical InformationA. Data Label B. Using A Manometer C. L.E.D. Display Codes D. Computer Logic and Wiring Diagram including ALL revisions of the number listed below B672611 Diagrams for this book are as follows2* 05/21/98-50 ADC4501791- 01/08/98-50