ADC AD-464 service manual

Page 73

b.Cool Down Damper Piston Replacement

1)Discontinue electrical service to the dryer.

2)Discontinue the air supply to the dryer.

3)Remove the two (2) 1/4" poly x 1/4" M.P.T. connectors from the piston.

4)Loosen the 1/4-20 x 3/8" set screw from the clevis and remove the clevis pin.

5)Remove the piston from the damper cylinder mounting plate.

6)To install new cool down damper piston, reverse Step #8 thru Step #3.

7)Reestablish the air supply to the dryer.

8)Reestablish electrical service to the dryer.

8.Load Door System

Load Door Assembly - the dryer uses a piston operated cable assembly to open and close the load doors. When

the piston is in the retracted position, the doors are closed. The top and bottom section of the load doors have upper and lower, as well as, right and left side clamp plates attached to the doors. The cable (wire rope) is attached to the doors with four (4) cable clamp plates. The cable clamp plate is secured to the clamp plate with a 5/16-18 x 3/4" bolt and 5/16" lock washer.

a.Door Piston Replacement

1)Discontinue electrical service to the dryer.

2)Discontinue the air supply to the dryer.

3)Block the bottom load door in the closed position prior to disassembly of any parts.

IMPORTANT: FAILURE TO BLOCK THE BOTTOM LOAD DOOR SECURELY IN THE CLOSED POSITION MAY RESULT IN PERSONAL INJURY.

4)Remove the two (2) 1/4" x 1/4" poly connectors from the piston.

5)Loosen the turnbuckle so that the cable becomes slack.

6)Loosen the set screw securing the cylinder clevis assembly to the piston shaft.

7)Remove the 5/16-24 x 1/4" socket head cap screw and 5/16" lock washer from the piston base.

8)Unscrew the piston shaft from the cylinder clevis assembly.

9)To install new door piston, reverse Step #8 thru Step #3.

10)Reestablish the air supply to the dryer.

11)Reestablish electrical service to the dryer.

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Contents American Dryer Corporation Important Note to Purchaser Retain This Manual In a Safe Place For Future ReferenceFor Your Safety Page Table of Contents Section Sprinkler System Section Pendant AssemblySection AIR JET System Explosion could Result Safety PrecautionsNational Electric Code ANSI/NFPA no -LATEST Edition StandardsCleaning Routine MaintenanceLiquids Monthly Lubrication Days After Installation and Every 6 Months Thereafter AdjustmentsGAS Models ADG-464 SpecificationsSteam Models ADS-464 ADG-464 GAS Electrical Service SpecificationsEnclosure / AIR Supply / Exhaust Requirements Installation RequirementsElectrical Requirements and GAS Requirements Operational Service Check ProcedureTumbler Support and Drive System Component DESCRIPTION/REPLACEMENTPage Main AIR BLOWER/HEAT Reclaimer System +Z=X Compressed AIR System Filter element can be cleaned with soap and waterPage Page Page Safety Devices Safety Devices Locations/Functions/Messages Blower Squirrel Cage Fan Motor Assembly Pulley Removal Page Important do not Overtighten V-BELTS FreelyImportant do not Overtighten V-BELTS Blower Squirrel Cage Fan Electrical Components Page Tumbler Basket System Page Page Important do not Overtighten Turnbuckle Important do not Overtighten Turnbuckle Result in Damage to the Dryer and will Void the Warranty Important do not Overtighten Bolts Page Current Limiting Device is Required Rotational Sensor AssemblyPage TOP of Tumbler Basket Temperature Door Assembly Tumbler Basket Electrical Components Page PLC Programmable Logic Controller Description PLC Programmable Logic Controller SystemPage Page 111 PLC Programmable Logic Controller Component Replacement Page Page RTD Page Switch #1 Recycling Mode Page Page Page Combustion Air Damper Page Page Page Burner Air Switch Page Page Page Page Page Page Heat Reclaimer Settings Page Page Important Allow a full 72 hours for the silicone to cure Page Page Page Page Base Section Lint DRAWER/LINT Chamber SwitchesPage Page Resistive Temperature Device RTD RTD Resistive Temperature Device Locations Sprinkler System Description Sprinkler SystemPage MAN3190 Page AIR JET System AIR JET SystemPneumatic Valve Stack Valve AssemblyImportant Take Notice ... small components Page MAN4223 Internal Pilot and External Pilot Air Supply Pendant Assembly Description Pendant AssemblyADC450186 05/27/99-25 01/14/00-15