American Dryer Corp AD-170 service manual Important Never strike the shaft directly with a hammer

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IMPORTANT: Never strike the shaft directly with a hammer.

8.Remove basket from basket support.

a.Remove the bolt in the center of the basket back wall.

b.Loosen and remove the eight (8) sets of nuts and washers from basket tie rods. Remove the eight (8) tie rods.

c.Replace either basket or basket support by reversing procedure.

NOTE: Shims might be needed between tumbler and tumbler support to insure proper balancing of basket.

9.Reassemble components onto dryer by reversing steps 2 through 8.

10.Check basket vertical/lateral alignment and adjust if necessary.

11.Replace backguard.

12.Reestablish power to dryer.

H. Bearings (Refer to illustrations in section F "Pulleys")

To Replace Rear Tumbler (Basket) Support Pillow Block Bearing

1.Discontinue power to dryer.

2.Remove backguard.

3.Remove basket pulley.

4.Loosen lateral adjustment jam nuts and bolts. (Refer to illustration in section G "Basket Alignment")

5.Loosen set screws (2) from rear pillow block bearing collar.

6.Remove the rear bearing bolts, securing bearing to bearing mount. Remove bearing.

7.Replace by reversing steps 3 through 6.

8.Adjust both lateral and vertical basket alignment.

9.Replace backguard.

10.Reestablish power to dryer.

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Contents AD-170 Retain This Manual In a Safe Place For Future Reference AD-170Page For Your Safety Table of Contents Sail Switch Assembly Safety Precautions Important InformationRoutine Maintenance CleaningAdjustments LubricationInstallation Requirements Enclosure, Air Supply, and Exhaust RequirementsOperational Service Check Procedure Electrical and Gas RequirementsControl Box Computer Panel AssemblyDescription of Parts DSI Module Gas Models OnlyBlower Motor and Impellor Hz Gas Models Only Gas Burner AssemblyDrive Motor Blower Motor and Impellor 50Hz, 60Hz Steam & 50Hz GasTumbler Bearing and Pulley Arrangement Idler AssemblyBasket Tumbler Sail Switch Gas Models only Main Door SwitchHi-Limit Gas Models Only Lint Drawer Automatic Reset ThermostatLint Drawer Switch Steam Damper SystemServicing IntroductionTo Replace Keyboard Label Assembly Computer Controls To Replace ComputerTo Replace Microprocessor Temperature Sensor Probe Page To Replace Gas Valve see burner illustration on To Replace Main Burner OrificesTo 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 Replace Sail Switch To Adjust Sail SwitchTo Replace Main Door Assembly To Install New Main Door GlassTo Replace Front Panel To Replace Main Door Hinge PadPulleys To Replace Tumbler Pulley To Replace Small Idler PulleyTo Replace Large Idler Pulley To Replace Motor PulleyPage Basket Alignment Lateral Side to Side Adjustment To Replace Tumbler Basket or Tumbler Basket SupportImportant Never strike the shaft directly with a hammer To Replace Front Basket Support Pillow Block Bearing To Replace Front Idler Shaft Pillow Block BearingTo Replace Rear Idler Shaft Pillow Block Bearing Belt Tension Adjustment Basket to IdlerBelts See illustrations in section F Pulleys To Replace V-Belts Belt Tension Adjustment Motor to IdlerMotors To Replace Drive Motor Page To Replace Lint Drawer Switch Lint Drawer Assembly To Replace Lint ScreenImpellor No display on computer TroubleshootingComputer will not accept key pad entries Dryer will not start, but computer display indicators are on Drive motor runs, burner is on, but basket will not turnDryer operates, probe sparks, but gas does not flow Dryer operates but is taking too long to dryThermal overload for drive motor is tripping Dryer is cycling on burner hi-limit safety thermostatOverload for impellor fan motor is tripping Dryer does not start. Display reads door Display reads dSFL. Dryer Sensor Circuit FailureThere is excessive vibration coming from the basket Electrical Trouble Shooting Phase 5 OPL System Diagnostics Diagnostic LED Display Failure CodesLED Display Indicators Page Page LED Display/Codes Cycle StatusLED Display Codes CY FFill Fault Codes Computer Logic and Wiring DiagramPage No Display Condition Page Blower motor does not operate, drive motor runs Door condition Microprocessor reads Dsfl Technical Information Motor Plate High and Low VoltageData Label Contacting American Dryer Corporation ADC Information on the Data LabelUsing a Manometer HOW to USE a ManometerAD-170SE Tool List ADC450400 1- 02/27/98-50