Sterling 882.00295.00 Maintenance Schedule, Photocopy this page for your maintenance records

Page 56

Chapter 6: Maintenance

6-1 Maintenance Schedule

The checklist below contains a list of items that should be inspected and/or replaced to keep your Large Dehumidifying Dryer operating at peak efficiency. Perform each inspection at the regular intervals listed below.

Dryer Model #

Serial #

EVERY WEEK

Date/

Date/

Date/

Date/

Date/

Date/

Date/

Date/

Date/

Date/

Date/

Date/

Date/

 

By

By

By

By

By

By

By

By

By

By

By

By

By

Inspect all filters for wear, replace/clean if dirty or worn

EVERY MONTH

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Lock out electrical power

 

 

 

 

 

 

 

 

 

 

 

 

 

and inspect electrical

 

 

 

 

 

 

 

 

 

 

 

 

 

wiring for integrity

 

 

 

 

 

 

 

 

 

 

 

 

 

Lock out electrical power

 

 

 

 

 

 

 

 

 

 

 

 

 

and check heater

 

 

 

 

 

 

 

 

 

 

 

 

 

elements for continuity

 

 

 

 

 

 

 

 

 

 

 

 

 

using an ohmmeter

 

 

 

 

 

 

 

 

 

 

 

 

 

Check Dew point and

 

 

 

 

 

 

 

 

 

 

 

 

 

temperature tracking with

 

 

 

 

 

 

 

 

 

 

 

 

 

an external dew point

 

 

 

 

 

 

 

 

 

 

 

 

 

monitor and pyrometer

 

 

 

 

 

 

 

 

 

 

 

 

 

Visually inspect the

 

 

 

 

 

 

 

 

 

 

 

 

 

shifting of the airflow

 

 

 

 

 

 

 

 

 

 

 

 

 

valve during one cycle

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

EVERY YEAR

Next Scheduled

Actual Inspection

 

Next Scheduled

Actual Inspection

 

 

 

Inspection

 

Date/By

 

Inspection

 

Date/By

Inspect desiccant. Replace

 

 

 

 

 

 

 

 

 

 

 

 

 

if brown or broken

 

 

 

 

 

 

 

 

 

 

 

 

 

- Photocopy this page for your maintenance records -

Large Dehumidifying Dryers

Maintenance

56

Image 56
Contents SDA 1000-5100 Series Large Dehumidifying Dryer AP-1 Control Shipping Info Unpacking and InspectionEvent of Shipping Damage If the Shipment is Not CompleteReturns Credit ReturnsTable of Contents Operation Large Dehumidifying Dryers Safety Symbols Used in this Manual SafetyHow to Use This Manual Dryer Safety Tags Description Operator Responsibility ResponsibilityGeneral Responsibility Maintenance Responsibility Reporting a Safety Defect General Description Functional DescriptionModels Covered in This Manual Process/Regeneration Cycle Sequence of OperationStandard Features Auto Start TimerMechanical Features Electrical FeaturesClosed-Loop Regeneration OptionsDewpoint Extend Drawings and Diagrams Optional dryer dust collector Process Air Dust Collector Aftercooler Design SpecificationsProcess Aftercooler Process Air Dust Collector Recommended Temperature Settings Material Overdrying ProtectionController Options Mechanical OptionsElectrical Options Safety Devices and Interlocks Safety Circuit StandardsSafety Device Lock-Outs Fail Safe OperationPage Dimensions and Specifications Denotes availability Mechanical Options Denotes availabilityDenotes availability Mechanical Installation Uncrating the EquipmentRigging and Placing Unit Making Electrical ConnectionsMaking Gas Line Connections Gas-Fired Models Only DescriptionChecking for Proper Blower Rotation Checking Blower RotationMaking Dryer/Drying Hopper Process Air Connections Dryer/Drying Hopper Process Air ConnectionsProcess Air Heater on Drying Hopper Large Dehumidifying Dryers Mechanical Installation Connecting Aftercooler/Precooler Cooling Water Optional Aftercooler Components & Flow RatesUsing the Drying Hopper Air Trap Drying Hopper Air TrapControls Controller DescriptionProcess Air Temperature and Conveying Process Controller Dryer Status Screen Startup ScreenMain Menu Screen Dryer Alarms Help System LOG OFFIdentifying Controller Screens Setting Values Auto Start Main Menu Dryer Status Dryer Setup Over DRY Protect Alarms Auto TuneDryer Menu Dryer Setup Screen 4 Dryer Setup Screen 2Dryer Setup Screen 3 Overdry Protection Screen 2 Overdry ProtectionOverdry Protection Screen 1 Process AutoTune Screen Alarm History ScreenAutotune DEW Point Setup Dew Point Setup ScreenAutostart Timer Screen Auto StartSystem Setup SET Clock Hour Meters Alarm History Status Help MenuHelp Menu Screen System MenuLOW Level Detection Setup System Backup Service Menu Main Menu System SetupSystem Setup Screen Clock Menu Screen Autostart Clock ScreenHour Meter Screen Input StatusInput Status Screen Output StatusService Menu Screen System Backup ScreenService Alarm Screens Redundant Safety Controller Display Alarm Screen ExampleSetting the Redundant Safety Controller Always put your set point to 30F above set pointLarge Dehumidifying Dryers Controls Operation Start-upUsing the Dryer Status Screen Alarms Alarm DescriptionsShutdown Photocopy this page for your maintenance records MaintenanceMaintenance Schedule Preventative Maintenance Cleaning or Replacing the Process Air FiltersCleaning or Replacing the Regeneration Filter Calibrating the Dirty Filter AlarmChecking the Dewpoint Control System Replacing the Desiccant Corrective MaintenanceSymptoms of Worn Out Desiccant Desiccant Tower Assembly Replacing the Process Heater Electric DryersProcess Heater Box Assembly Replacing the Regeneration Heater Electric DryersRegeneration Heater Box Assembly Introduction TroubleshootingBasic Troubleshooting Large Dehumidifying Dryers Troubleshooting Using a Platinum Resistance Thermometer Determining Temperature Controller Errors or Sensor ErrorsUsing a Thermocouple Warranty AppendixTechnical Specifications Annex B InformationSpare Parts List Level 3 Mechanical Components Dryer Identification Serial Number Tag Located on back of DryerService Department Technical AssistanceParts Department Sales Department

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