sop for Preventive Maintenance of Rapid Mixer Granulator

1.0 Objective
To lay down a procedure for the Preventive Maintenance of Rapid Mixer Granulator.
2.0 Scope
This Standard Operating Procedure is applicable for Preventive Maintenance of Rapid Mixer Granulators to be followed at formulation plants
3.0 Responsibility
3.1 Engineering Officer / Executive 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 should be responsible for compliance of this SOP.
4.0 Abbreviations and Definitions
SOP : Standard Operating Procedure
No : Number
QA : Quality assurance
Qty : Quantity
RMG : Rapid Mixer Granulator
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 Rapid Mixer Granulator
5.3.1 Ensure that electrical supply is in off position in main panel 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 annex – 1, 2&3.
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 spider of motor and gearbox coupling.
5.3.8.2 Check and tighten all nuts and bolts of the m/c.
5.3.8.3 Check the oil level in gear box, if required top up the oil with 320 grade lubricating oil.
5.3.8.4 Check the foundation bolts of chopper motor.
5.3.8.5 Check the all gasket for any damage, if required replace.
5.3.8.6 Check all the locking bolts; if required replace.
5.3.8.7 Check the chopper blade lock bolt; if required tight.
5.3.8.8 Check the impeller / blade lock nuts; tighten the same.
5.3.8.9 Check the all electrical terminal connections and tighten the same.
5.3.8.10 Check the seal of impeller; for any leakage, if required replace the same.
5.3.8.11 Check the bearing of chopper motor; if required lubricate with grease.
5.3.8.12 Check the air purging pipes for any choking / damage if required clean or replace it.
5.3.8.13 Check all safety operations, if found any abnormality rectify the problem.
5.3.8.14 Check the proper earthing.
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.
5.3.10 Yearly Preventive Maintenance is to be carried out as per the following check points.
5.3.10.1 Check the chopper motor bearings for wear tear & replace.
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.
6.0 Forms and Records
6.1 Quarterly Preventive Maintenance Check List of RMG
6.2 Half Yearly Preventive Maintenance Check List of RMG
6.3 Yearly Preventive Maintenance Check List of RMG
7.0 Distribution
7.1 Master copy – Documentation Cell (Quality Assurance)
7.2 Controlled copies – Engineering Department

sop for Preventive Maintenance of Rapid Mixer Granulator

sop for Execution of Preventive Maintenance

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