sop for Preventive Maintenance of Liquid Transfer Pumps
To lay down a procedure for the Preventive Maintenance of Liquid transfer pumps.
This Standard Operating Procedure is applicable for the Preventive Maintenance of below mentioned equipment installed to be followed at formulation plants
3.1 Engineering Officer / Executive shall be responsible for the execution of this procedure.
3.2 Engineering Manager shall be responsible for the compliance 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
Qty : Quantity
5.1 Inform the user department, put the main power supply of the unit to ‘OFF’ and display “UNDER MAINTENANCE” board over the panel.
5.2 Preventive maintenance of Liquid transfer pump should be carried out as per preventive maintenance master schedule.
5.3 Technician should carry out the Preventive Maintenance work on the Liquid transfer pumps as per Preventive Maintenance SOP.
5.4 Technician has to visually check the machine and system should be in cleaned condition.
5.5 Take proper safety precautions/ measures prior to carry out the preventive maintenance work like Isolation of Electric power and Utilities (Compressed air, Chilled water) wherever applicable.
5.6 Lint free cloth to be used for cleaning.
5.7 Visually check the machine and the surrounding area is thoroughly cleaned after preventive maintenance work.
5.8 Officer / Executive should check the Preventive Maintenance work is done as per the preventive maintenance.
5.9 Incomplete preventive maintenance work due to shortage of spares and delay in fabrication / modification work to be recorded. The same should be communicated to the Engineering Manager by Engineering Officer / Executive.
5.10 Any other reason, the reason for deferred preventive maintenance for the Liquid transfer pumps should be mentioned by the officer in the preventive maintenance record and it should be acknowledged by Engineering Manager.
5.11 Quarterly maintenance shall be carried out as per following points.
5.11.1 Check the motor coupling and spider for any wear and tear, if required replace the same.
5.11.2 Check the pump assembly for free movement.
5.11.3 Check the gear box oil, if required top up oil in gear box.
5.11.4 Check all electrical connections (control panel, all motors,) for any loose connections, burned contacts, signs of overheated wires etc. Tight/replace the same.
5.11.5 Clean the electrical panel.
5.11.6 Check the level controller for proper operation.
5.11.7 Clean the electrical contactors contact strips.
5.11.8 Check the overload relay for proper setting as per the motor rating.
5.11.9 Switch ON the main supply and check for proper voltage supply with multimeter.
5.11.10 Check for proper earthing.
5.11.11 Test manually over load relays for tripping at set value.
5.12 Record all the observation in Preventive Maintenance checklist as per Annexure-1.
6.0 Forms and Records
6.1 Quarterly Preventive Maintenance Check list of Liquid transfer pumps.
7.1 Master copy – Documentation Cell (Quality Assurance)
7.2 Controlled copies – Engineering Department