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American Dryer Corp AD-170 Idler Assembly, Tumbler Bearing and Pulley Arrangement, Basket Tumbler

Models: AD-170

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NOTE: The bearing on this type of blower assembly should be greased according to the maintenance section of this manual.

H. Idler Assembly

(Viewing from the rear of the dryer) the idler assembly is located approximately on the lower center of the dryer. The idler assembly consists of two (2) idler pulleys, the small and large pulleys. The idler's main purpose is to reduce the speed and increase torque provided to the tumbler bearing. Also, at the idler assembly, belt tension can be adjusted.

I. Tumbler Bearing and Pulley Arrangement

The tumbler bearing and pulley arrangement is located (viewing from the rear of the dryer) approximately at the upper center of the dryer. The arrangement consists of a pulley and two (2) bearings which serve to drive, adjust, and support the basket.

J. Basket (Tumbler)

The basket consists of four (4) ribs and four (4) perforated panels, along with front and back, which are screwed together as an assembly. The basket also consists of tie rods, which support the basket from front to back. The basket support is used to mate the basket to the drive system in the rear.

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American Dryer Corp AD-170 service manual Idler Assembly, Tumbler Bearing and Pulley Arrangement, Basket Tumbler

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 GasBasket Tumbler Idler AssemblyTumbler Bearing and Pulley Arrangement Hi-Limit Gas Models Only Main Door SwitchSail Switch 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 BearingBelts See illustrations in section F Pulleys Belt Tension Adjustment Basket to IdlerTo Replace Rear Idler Shaft Pillow Block Bearing Motors To Replace Drive Motor Belt Tension Adjustment Motor to IdlerTo Replace V-Belts Page Impellor Lint Drawer Assembly To Replace Lint ScreenTo Replace Lint Drawer Switch Computer will not accept key pad entries TroubleshootingNo display on computer 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 dryOverload for impellor fan motor is tripping Dryer is cycling on burner hi-limit safety thermostatThermal overload for drive motor is tripping There is excessive vibration coming from the basket Display reads dSFL. Dryer Sensor Circuit FailureDryer does not start. Display reads door 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