Sterling 882, 0, 238 manual Fail Safe Operation, Safety Device Lock-Outs

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Every effort has been made to incorporate these standards into the design of the Powder Hopper Loading system; however, it is the responsibility of the personnel operating and maintaining the equipment to familiarize themselves with the safety procedures and the proper use of any safety devices.

2-8-3 Fail Safe Operation

If a safety device or circuit should fail, the design must be such that the failure causes a “Safe” condition. As an example, a safety switch must be a normally open switch. The switch must be held closed with the device it is to protect. If the switch fails, it will go to the open condition, tripping out the safety circuit.

At no time should the safety device fail and allow the operation to continue. For example, if a safety switch is guarding a motor, and the safety switch fails, the motor should not be able to run.

2-8-4 Safety Device Lock-Outs

Some safety devices disconnect electrical energy from a circuit. The safety devices that are utilized on powder hopper loader models are primarily concerned with the pneumatics and electrical power disconnection, and the disabling of moving parts that may need to be accessed during the normal operation of the machine.

Some of the safety devices utilize a manual activator. This is the method of initiating the safety lock out. This may be in the form of a plug, disconnect plug, lever or a handle. Within this lockable handle, there may be a location for a padlock. Personnel servicing the equipment should place a padlock in the lockout handle.

WARNING! Always disconnect and lockout all electrical power and pneumatic (i.e. compressed air) sources prior to servicing or cleaning any loader, including all units. Failure to do so may result in serious injury.

At no time must anyone remove the lockout or reconnect the twist plug, other than the person who installed the lockout or who unplugged the twist plug.

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Powder Hopper Loaders

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Contents Powder Hopper Loaders Powder Hopper Loaders Safety Considerations Wear Safety Glasses and Work GlovesAnnex B Information Table of Contents Maintenance Introduction AccessoriesGeneral Information Equipment FunctionCustomer Service Necessary DocumentsSystem Capabilities Models Covered in this Manual Standard Features Powder Hopper LoadersSafety Work RulesTools and Equipment Needed Mechanical Installation Safety ConsiderationsReporting a Safety Defect General ResponsibilityOperator Responsibility RememberMaintenance Responsibility Powder Hopper Loaders Safety Safety Circuit StandardsDescription and Objectives Safety Device Lock-Outs Fail Safe OperationLock-Outs, Plugs, and Other Safety Devices Line Cord PlugMaximum Machine-Side Throughput Shipping Information Unpacking and InspectionEvent of Shipping Damages United Parcel Service Shipment If the Shipment is Not CompleteParcel Post Shipment If the Shipment is Not Correct ReturnsInstallation & Setup Necessary ToolsMounting Powder Hopper Loaders Mounting Tips Attaching the Pickup WandMaking Compressed Air Connections Making Electrical Connections Pre-Startup Checklist OperationOperating Sequence Autoloadert M Starting the Loader Changing the Conveying SequenceSelecting the Most Efficient Loading Sequence Conveying Sequence DIP Switch Chart, Program A0536814 Powder Hopper Loaders Cleaning Filters 6MaintenanceRoutine Maintenance Checking Flex Hose for WearReplacement and Reassembly Replacing Motor BrushesRemoving Old Motor Brushes Seating Motor Brushes Troubleshooting Powder Hopper LoadersPowder Hopper Loaders Cont’d Loader Options Spare Parts Overview Component Identification and LocationReturned Material Policy Technical AssistanceContact Information for Technical Assistance Credit ReturnsWarranty Returns Pushbutton and Keypad Tags 11Safety Tag InformationPowder Hopper Loader Safety Tags Button PositionModel Number 50E Loader Identification Serial Number TagLocated on back of mixing chamber Max Capacity 227 KG/HR

238, 0, 882 specifications

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