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Preventive Maintenance of Dairy Plants and Machineries

We have learned various equipment required for the manufacture of milk products. An attempt was made to enrich with the operation of different equipment involved in the processing of most common milk products. Yet some special milk products could not be covered. However, the exposure given will give enough background knowledge to understand other equipment.

We will learn as to how to prolong life of equipment with proper planning. As we know the milk processing equipment are expensive, hence, need greater care to give best results. One way to maintain the equipment is to run as long as it works and repair it when it stops working. It is called “Breakdown Maintenance”. A scientific way of maintenance would be to do “Preventive Maintenance”(PM). As a thumb rule 6-12% of machine cost will be required for proper maintenance of machine every year.

In order to carry out PM programme, planning is done. We will learn different records and forms used to follow up schedules. These will act as guidelines for plant operators. These records also indicate the preparations for future planning. What are the needs of spares, oils and greases, etc., can be easily decided. Oilingand greasing is lifeline for individual machine. Every equipment has been recommended a lubrication schedule. For every dairy plant, daily, weekly, monthly and quarterly planning can be done. A lubrication route for the technician can be suggested and appropriate checks planned.

Dairy equipment are required to work under unfavorable conditions of high moisture,chemical environment, and temperature and pressure stresses. These conditions do affect the life of material with which the equipment is fabricated. Also the aesthetic look of equipment is need of such industry. It gives psychological impression to workers and the public for the conditions prevailing within the plant.

All the processing equipment need water, steam, refrigeration, air and electricity.These are supplied through appropriate pipelines and cables. Well-maintained service lines not only reduce the losses but also offer good look. Injuries and accidents can also be prevented with little care.Most of equipment are provided with components made of rubbers. These are unavoidable, yet designed with utmost care. To maintain quality of product the upkeep of these components are a must. Readers will learn, as to how to take care
of these parts and prolong their life.

Finally, even if each and every equipment is in order, the plant surrounding, landscape sanitation needs utmost care. Building maintenance is the first impression given to the visitors and public who pass by this unit. All walls, seepage, odour, well-trimmed grass and shrubs, well parked vehicles, etc. offer reputation of the dairy plant, as a first impression. A summary of civil maintenance will be discussed.

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