Preventive Maintenance of Multi Mill.


  1. OBJECTIVE             

1.1       To lay down the procedure for Preventive Maintenance of Multi Mill.

  1. RESPONSIBILITY                                                  
  • Assistant – Engineering       – To follow the SOP
  • Executive – Engineering       – To Comply the SOP
  1. PROCEDURE           
  • Monthly Maintenance
  • Check all the fastenings of the unit, if required tight all the fastenings.
  • Check the miller shaft roller bearings, if required clean the bearings and lubricate them.
  • Ensure that the unit is working in forward and reverse directions.
  • Check electrical lines, starter contactors, if necessary clean with CTC.
  • Check the caster wheels for free movement, if required lubricate the wheel bearings.
  • Half Yearly Maintenance
  • Check for the condition of belts, if the unit is belt drive and replace the belts if required.
  • Check for the condition of coupling spider, if the unit is coupling drive and replace the spider if damaged.
  • Check for the condition of Teflon gland packing / Mechanical seal, if necessary replace it.      
  • Check all the bearings of the unit and if required replace them with new bearings.
  • Check the motor winding resistance and AMPS condition should be with in the limits.
  • Check for proper earthing to the equipment.
4.      ABBREVIATIONS

       CTC : CARBON TETRA CHLORIDE

5.      REFERENCES

           Nil       

6. ANNEXURES

  •  Annexure-1     Monthly preventive maintenance checklist
  • Annexure-2     Half-Yearly preventive maintenance checklist.

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