Preventive Maintenance of Single Head Liquid Sealing Machine


To describe a procedure for the preventive maintenance of Single Head Liquid Sealing Machine.

  • SCOPE:

This SOP is applicable for preventive maintenance of Single Head Liquid Sealing machine


Assistant Engineer/Above shall be responsible for implementation and compliance of  this SOP.


Manager – Engineering / Manager – Production / Head – QA shall be accountable for implementation and compliance the procedure mentioned in this SOP.


Preventive Maintenance Checklist of Single Head Liquid Sealing Machine         -Attachment-I

    • Preparation of preventive maintenance plan:
      • Inform the concern person before starting preventive maintenance.
      • Ensure that no activities are carried out in the respective machine.
      • Ensure that the respective system electrical supply is switched “OFF”
      • Before carrying out the preventive maintenance display status board as “UNDER PREVENTIVE MAINTENANCE” on the electrical panel and machine.


    • Monthly


    • Check all electrical terminals of main supply and main panel for any loose wires. Check electrical components of machine for proper working.
    • Check main gear box assembly for proper working. Top –up gear oil, if required. Check other power transmitting gears, sprockets and chain for proper working.
    • Check v-belts for any cut or damage, change if required.
    • Check lowering and lifting cam of sealing shaft for proper working.
    • Check sealers for proper sealing of bottle caps.
    • Check bottle cap hopper and its feeding channel for smooth dropping of bottle caps
    • Check star wheel alignment with respect to sealing shaft assembly.
    • Check chain conveyor rollers and sprockets for smooth running.
    • Check air and water connection for any leakages.
    • Check and lubricate bearings and nut bolts for wear and tear where applicable.
    • Close all the lids for proper closing.
    • Start and run the machine in Auto/Manual mode.
    • Check and observe the machine for its normal working.
  • After completion of the above procedure remove the “UNDER PREVENTIVE MAINTENANCE” status board from the machine and the respective electrical panel.
  • Affix the Preventive Maintenance Status on machine as per Attachment– I of SOP/EN/003
  • Update the status label of the machine after the completion of preventive maintenance.
  • After performing the preventive maintenance activity of machine, respective area supervisor shall check and note the details on respective Equipment Sequential Log Book.

6.8       Junior Engineer/ above shall update the activity in respective formats of SOP for Maintenance of

            Single Head Liquid Sealing Machine. (SOP/EN/071).





SOP: Standard Operating Procedure

Engg.: Engineering




Quality Assurance




Version  No. Effective Date Reason for Revision