sop for Preventive Maintenance of Liquid Filling and Sealing Machine

1.0 Objective 
To lay down a procedure for the Preventive Maintenance of Liquid Filling and Sealing Machine.
2.0 Scope
This Standard Operating Procedure is applicable for Preventive Maintenance of Liquid

Filling and Sealing Machine to be followed at formulation plants
3.0 Responsibility
3.1 Officer / Executive Engineering shall be responsible for the execution of this procedure.
3.2 Engineering Manager shall be responsible for the implementation of this SOP.
3.3 Head QA/designee shall be responsible for the compliance of this SOP.
4.0 Abbreviations and Definitions
SOP : Standard Operating Procedure
No : Number
QA : Quality assurance
ER : Engineering
5.0 Procedure



5.1 General Conditions
5.1.1 Refer the master plan of preventive maintenance.
5.1.2 Equipment shall be available for preventive maintenance.
5.1.3 Clean oil / grease stains & remove unwanted material, spares after completion of work.
5.2 Precautions
5.2.1 Use necessary safety wears, while doing the work.
5.2.2 Ensure covers & guards are properly fixed.
5.3 Procedure for Preventive Maintenance of Liquid Filling and Sealing Machine.
5.3.1 Ensure that electrical supply is in off position and display “Under maintenance” Board on the panel board.
5.3.2 Switch OFF the drive unit and inform all the concerned.
5.3.3 Operator or above has to ensure and verify the check points for the preventive maintenance as shown in the Annexure-1 and 2.
5.3.4 After the completion of preventive maintenance, check the machine for smooth operation.
5.3.5 Remove “Machine under Maintenance” Board on the panel board after completion of the Maintenance.
5.3.6 The operator / technician who perform the job will enter his name / sign in “Done By” Column

and responsible Engineer/ Officer and Officer – Production will put sign in “Checked by” column.
5.3.7 Half Yearly Maintenance will include the jobs of Monthly and Quarterly Maintenance

and Yearly maintenance will include the jobs of Monthly, Quarterly and half yearly maintenances.
5.3.8 Quarterly Preventive Maintenance is to be carried out as per the following check points.
5.3.8.1 Check the oil sealing head roller bushes.
5.3.8.2 Check and tight all nut bolts.
5.3.8.3 Grease the sealing head spindle bushes
5.3.8.4 Check oil level of gearbox. If required, fill with 320 grade lubricating oil.
5.3.8.5 Check the all electrical terminal connections and tighten the same.
5.3.8.6 Check the proper earthing.
5.3.8.7 Check the roller blocks and roller bushes on sealing head.
5.3.9 Half Yearly Preventive Maintenance is to be carried out as per the following check points
5.3.9.1 Check all electrical points of main panel board for any loose connections & tighten up accordingly.
5.3.9.2 Check the all-motor terminal connections and tighten the same.
5.3.9.3 Check all pneumatic valves for smooth operation.
5.3.10 Yearly Preventive Maintenance is to be carried out as per the following check points.
5.3.10.1 Check the bearing of gear box for any abnormal noise.
5.3.10.2 Check the main gearbox bearings for wear & tear & replace accordingly.
5.3.10.3 Check the oil seal of gearbox for wear & tear & replace accordingly.
5.3.10.4 Check all electrical connections (compressor control panel, all pump motors, fan motor)

for any loose connections, burned contacts, signs of Overheated wires etc.
5.3.10.5 Check the all interlocking system for working satisfactory.
5.3.10.6 Check the rocker arm bushes.
5.3.10.7 Check the cam supports studs & speed lever.
6.0 Forms and Records
6.1 Quarterly PM Check List of Liquid Filling and Sealing Machine – Annexure
6.2 Half yearly PM Check List of Liquid Filling and Sealing Machine – Annexure
6.3 Yearly PM Check List of Liquid Filling and Sealing Machine – Annexure
7.0 Distribution
7.1 Master copy – Documentation Cell (Quality Assurance)
7.2 Controlled copies – Engineering Department