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American Dryer Corp WDA-385 service manual F. Idler and Bearing Assembly, To Replace Idler Pulley

Models: WDA-385

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F. Idler and Bearing Assembly

F. Idler and Bearing Assembly

(Remove backguard to access assembly.)

To Replace Idler Pulley

1. Remove backguard.

2. Loosen v-belts, then rotate pulley and roll v-belts out of grooves.

3. Loosen the two (2) set screws on the pulley and pull off the shaft.

4. Reverse procedure for installing new idler pulley.

NOTE: Check tension and alignment of belts before operating dryer.

IMPORTANT: LOCTITE® NOW BEING USED.

Effective January 24, 1996, LOCTITE® is being used on the ADG-385/WDA-385 dryer. LOCTITE® is being applied toALL beaaring set screws, used onALL basket (tumbler) shafts, ALL idler shafts,ALL impellor (fan/ blower) shafts, and ALL drive shaft bearings.

A yellow label (ADC Part No. 112801) is affixed to the dryer to inform customers of the use of LOCTITE®. This label is shown immediately below;

IMPORTANT

LOCTITE® ADHESIVE HAS BEEN USED

TO SECURE SET SCREWS AND BEARINGS

IN PLACE. ONCE SET SCREWS HAVE BEEN

REMOVED, A GEAR PULLER MAY BE NECES-

SARY TO REMOVE BEARING TO AVOID DAMAGE.

P/N: 112801

One (1) of these labels is attached to each Tumbler (basket) Bearing Assembly (pillow block bearing box) on the ADG-385/WDA-385 dryer.

Should readjustment or removal of set screws become necessary in the field and the process becomes difficult, apply heat to the set screw with a soldering gun (450º F) for a few minutes.

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American Dryer Corp WDA-385 F. Idler and Bearing Assembly, To Replace Idler Pulley, Remove backguard to access assembly

Contents

121396MFM/tf Service ManualADG-385/WDA-385 1996 thru“IMPORTANT NOTE TO PURCHASER” Retain This Manual In A Safe Place For Future ReferenceCHILDREN SHOULD BE SUPERVISED IF NEAR DRYERS IN OPERATION VERIFY PROPER OPERATION AFTER SERVICINGDRYERS SHOULD NEVER BE LEFT UNATTENDED WHILE IN OPERATION CHILDREN SHOULD NOT BE ALLOWED TO PLAY ON OR NEAR THE DRYERSFOR YOUR SAFETY Important Information Table of ContentsMaintenance Installation RequirementsTechnical 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 C. Coin Box and Vault Description of PartsA. Control Panel B. Control BoxF. 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 ASSEMBLY STEEL DOOR To Adjust Sail SwitchTo Replace Main Door Switch Steel Door D. Front Panel and Main Door AssembliesTO 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 NOTE Check tension and alignment of belts before operating dryer F. Idler and Bearing AssemblyTo Replace Idler Pulley Remove backguard to access assemblyG. 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 SupportREMOVED, A GEAR PULLER MAY BE NECES IMPORTANT LOCTITE NOW BEING USEDLOCTITE ADHESIVE HAS BEEN USED TO SECURE SET SCREWS AND BEARINGS IN PLACE. ONCE SET SCREWS HAVE BEENV-Belt Tension Alignment - Motor To Idler V-Belt Tension Adjustment-Tumbler To IdlerI. V-Belts refer to illustration in Sections I, J and K L. Lintscreen To Replace Lintscreen To Replace V-BeltsJ. Motor To Replace Motor K. ImpellerSECTION Trouble ShootingA. Phase 5 Coin System Diagnostics Diagnostic L.E.D. Display Failure CodesMicroprocessor 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