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2.0 Maintenance ProceduresFor parts identification during maintenance, refer to Figure 5-Hopper Exploded Viewand the accompanying assembly drawings.NOTE: The following maintenance procedures should be carried out by suitablytrained and authorised persons only.2.1 Discharge Hopper Removal1. Ensure all air and electrical supplies to the discharge station are switched off andisolated.2. At the discharge hopper, disconnect all air supply hoses.3. Disconnect the sensor cable.4. Disconnect any take-off equipment from the hopper outlet.5. At the hopper support flange, remove the retaining setscrews and spring washers.6. The hopper assembly can now be lifted clear of the frame using a suitable liftingapparatus attached to the lift eyes on the hopper support flange.CAUTIONThe weight of the discharge hopper assembly is approximately 60kg. Care mustbe taken when removing the hopper to avoid personal injury and damage to theequipment.All lifting operations must be carried out in accordance with current Health &Safety Regulations.7. The hopper assembly should be cleaned before any further strip-down is carriedout. For cleaning purposes, the lip seal (3.3) can be removed to aid access to theinside of the hopper body. Cleaning can be achieved by vacuum or wash and dry.CAUTIONFor wash cleaning, water temperature must not exceed 80OC. Inlet and exhaustports should be blanked to avoid water ingress and possible damage to internalcomponents.NOTE: Matcon recommend the use of a proprietary stainless steel cleaner for themetal surfaces of the hopper assembly. Avoid abrasive or solvent based agents whichmight affect the surface finish or damage the hygiene cover/seals. Always follow themanufacturers safety instructions.2. to Discharge Hopper Strip-downBefore attempting a major strip-down, the hopper should be removed from the supportframe and if necessary cleaned (refer to Section 2.1).For parts identification, refer to Figure 5-Hopper Exploded View and theaccompanying assembly drawings.CAUTIONThe weight of the discharge hopper assembly is approximately 60kg. To avoidpersonal injury and damage to the equipment, the hopper should be suitablysupported in an upright position before strip-down is commenced.
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