American Dryer Corp AD-170 Belt Tension Adjustment Motor to Idler, To Replace V-Belts

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V-Belt Tension Adjustment (Motor to Idler)

1.Discontinue power to dryer.

2.Loosen the nuts on the four (4) studs holding the drive motor mount to the back of the dryer.

3.Loosen the jam nuts on the adjustment screw on the top of the motor mount.

4.Turn the adjustment screw to lower the motor mount (to tighten the belts) or raise the motor mount (to loosen the belts).

5.Check the vertical plane of the motor pulley and idler pulley for parallel alignment.

6.If realignment is required, loosen motor pulley and bushing and move motor pulley to proper position.

7.Retighten motor mount bolts and jam nuts.

8.Reestablish power to dryer.

To Replace V-Belts

1.Loosen tension on V-belts so that they can easily be rolled off pulleys.

2.Replace V-belts.

3.Retighten V-belts and adjust tension and alignment per previous instructions.

NOTE: Always replace V-belts in pairs.

J. Motors

To Replace Drive Motor

1. Discontinue power to dryer.

2. Remove drive belts.

3. Disconnect wiring harness from motor.

4. Remove bolts holding motor to mount and replace with new motor. Do not tighten bolts.

5. Remove pulley from old motor and install on new motor.

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Contents AD-170 AD-170 Retain This Manual In a Safe Place For Future ReferencePage For Your Safety Table of Contents Sail Switch Assembly Important Information Safety PrecautionsCleaning Routine MaintenanceLubrication AdjustmentsEnclosure, Air Supply, and Exhaust Requirements Installation RequirementsElectrical and Gas Requirements Operational Service Check ProcedureDescription of Parts Computer Panel AssemblyControl Box DSI Module Gas Models OnlyDrive Motor Gas Burner AssemblyBlower Motor and Impellor Hz Gas Models Only 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 Switch Automatic Reset ThermostatLint Drawer Steam Damper SystemIntroduction ServicingComputer Controls To Replace Computer To Replace Keyboard Label AssemblyTo Replace Microprocessor Temperature Sensor Probe Page To Replace Main Burner Orifices To Replace Gas Valve see burner illustration onTo 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 Adjust Sail Switch To Replace Sail SwitchTo Install New Main Door Glass To Replace Main Door AssemblyTo Replace Main Door Hinge Pad To Replace Front PanelTo Replace Small Idler Pulley Pulleys To Replace Tumbler PulleyTo Replace Motor Pulley To Replace Large Idler PulleyPage To Replace Tumbler Basket or Tumbler Basket Support Basket Alignment Lateral Side to Side AdjustmentImportant Never strike the shaft directly with a hammer To Replace Front Idler Shaft Pillow Block Bearing To Replace Front Basket Support 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 Drive motor runs, burner is on, but basket will not turn Dryer will not start, but computer display indicators are onDryer operates but is taking too long to dry Dryer operates, probe sparks, but gas does not flowThermal 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 Diagnostic LED Display Failure Codes Phase 5 OPL System DiagnosticsLED Display Indicators Page Page Cycle Status LED Display/CodesCY F LED Display CodesFill Computer Logic and Wiring Diagram Fault CodesPage No Display Condition Page Blower motor does not operate, drive motor runs Door condition Microprocessor reads Dsfl Motor Plate High and Low Voltage Technical InformationInformation on the Data Label Data Label Contacting American Dryer Corporation ADCHOW to USE a Manometer Using a ManometerAD-170SE Tool List ADC450400 1- 02/27/98-50