American Dryer Corp MLG-460 manual Monthly

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MONTHLY

Grease the four (4) tumbler shaft pillow bearings with DC-44 (Dow Corning) grease or equivalent. DC-44 is a lithium grease that conforms to NLGI Grade 2 and has a temperature range of 40º F (4.4º C) to 400º F (204.4º C).

Empty the compressed air filter bowl and add oil to the compressed air lubricator bowl. Use a petroleum based non-detergent lightweight oil, SAE 10/150SSU, which will readily break up into a mist, such as Mobil DTE Light Oil or equivalent. DO NOT USE SYNTHETIC OILS.

EVERY 90 DAYS

Clean any lint accumulation on main blower wheel.

Remove lint from around the tumbler drive motors and main blower (fan) motor.

Main blower (fan) shaft bearings must be lubricated. Use a #3 grease or equivalent.

EVERY 6 MONTHS

Remove the gear oil in both tumbler drive shaft gear reducers. Replace with 1.4 liters (in each gear reducer) of Mobil Oil DTE HH5G (I.S.O. viscosity grade 460) or equivalent.

Main blower fan and drive motor belts should be examined. Cracked or seriously frayed belts should be replaced. Tighten belts when necessary.

Inspect and remove lint accumulation in customer furnished exhaust duct work system.

Open access door on top of tumbler and remove lint accumulation from tumbler brush.

NOTE: THE ACCUMULATION OF LINT IN THE EXHAUST DUCT WORK CAN CREATE A POTENTIAL FIRE HAZARD.

NOTE: When cleaning the dryer cabinets, avoid using harsh abrasive. A product intended for the cleaning or appliances is recommended.

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Contents MLG-460 Retain This Manual In a Safe Place For Future Reference For Your Safety Page Table of Contents Troubleshooting TOC Service PartsReturning Warranty Cards Parts Returning Warranty Parts Section Safety Precautions What to do if YOU Smell GASPage Specifications SpecificationsSpecifications Installation Procedures Reassembly of DryerPage Page Location Requirements Internal AIR, Electric and Water Connections Page Page Page Page Page Left Drum Motor External Supply Connections Page Page Electrical Requirements Electrical RequirementsMLG-460 Page Fresh AIR Supply Requirements PRE START-UP Preparation for OperationRoutine Maintenance CleaningMonthly Component System Descriptions Page Page Main AIR Blower and Heat Reclaimer System Page Compressed AIR System Page Page GAS Burner and Ignition System Switch #2 Intermittent Pilot Page Page Page Page Page Page Page Safety Devices Door Open Service PartsReturning Warranty Parts Returning Warranty CardsWarranty Page Troubleshooting Probable Causes Power MalfunctionsPossible Solutions No Control Power Blue Light Off Machine Main Power Shuts Down Blue Indicator Off 2CRB Sprinkler Circuit Description Page Front Panel Blue Light and RED Light on Possible Solutions General Description Unless the Water Valve to the Sprinkler is ClosedBurner Controller Input Signal Components Burner IgnitionIntroduction Burner Section Input Circuit Component DescriptionLoad Door Switch DS1B Output Signal Component Description Stop Detector Relay Contact SMD noGAS Fault Message gas system only Heater Fault Message Possible Solutions Page Page AIR Fault Message HI-TEMP Fault Message Possible Solutions Drum Fault Message Page Tumbler Basket Section Electrical Malfunctions Tumbler Basket Section Electrical ComponentsFollowing is for 2-Door Models only Rear Panel Control Problems Probable Causes Possible Solutions Unload 1 Selection Probable Causes PLC OUT PIN 7 = Unload Door Open PLC OUT PIN 10 = Front UPDoor Open Problem Drum Fault Message Malfunction Probable Causes Page Front Door Switch Rear Down Switch LS2Lint Drawer Proximity Switches Base Section Electrical MalfunctionsProbable Solutions Lint Chamber Pressure Switch PS3Tumbler Basket Tilt Problems Level Fault Page Lint Screen Mechanism Problem Screen Fault Lint Chamber Air Pressure Problem AIR Fault Pendant Control Malfunctions Pendant Electrical ComponentsVerify Pendant Electrical Signals ML-460 Pendant Assembly Diagram Temperature Sensing Page Temperature Measurement and Sensing Problems Circuit Wiring to the Analog Input Module MotorsMotor Actuation Problems Probable Causes Motor Protection Device DescriptionsScreen Fault Motor FaultGAS Fault AIR Fault