1. OBJECTIVE            

1. To lay down the procedure for Preventive Maintenance of Octagonal blender 300, 500, 1000, 1500, 2250 Ltrs.

• 2. RESPONSIBILITY  

• Assistant – Engineering   – To follow the SOP

• Executive – Engineering  – To comply the SOP

• 3. PROCEDURE                      

• Monthly Maintenance

• Check the plumber block housing bolts, if required tight the bolts.

• Check the gearbox and motor fastenings, if required tight the fastenings.

• If the PCS is connected to the Blender check the vacuum pump oil level through view glass, if required top up with vacuum pump oil.

• Lubricate all the bearings by using the grease gun.

• Check the electrical lines, contactors and motor terminals, if required tighten the same.

• Check the chain for slackness, if required tight the slackness and apply grease to the chain links. 

• Check the inter locks for proper working.

• Half-Yearly Maintenance

• Check the gearbox oil viscosity, if required drain the gear oil and refill with new gear oil.

• Check the taper roller bearings and oil seals of the gearbox, if required replace with new one.

• Check the motor bearings for abnormality, if required replace the bearings with new one.

• Check the chain and sprocket assembly, if required replace the sprocket with new one.

• If the drive is motor-coupled check the coupling and the spider condition, if required replace the spider in the coupling. 

• 4. ABBREVIATIONS  

          Nil

• 5. REFERENCES         

          Nil

• 6. ANNEXURES                       

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

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