We learnt about the principles of refrigeration, components of refrigeration systems and various types of refrigeration equipment used in the dairy industry. Until now we know only that how these refrigeration equipment are constructed, what is the function of each component, what are different refrigeration processes, etc. But we don’t know what steps are to be taken and what are the steps involved in initial inspection, efficient operation and control in running of a commercial dairy plant. What type of periodic check up and periodic maintenance is required for efficient running of the plant? What trouble may come during running of the plant and what can be its solution? Or in the nutshell what should be done,what should not be done during operation, control and maintenance of refrigeration equipment of a dairy plant. All this will be discussed in this chapter. One should go through this unit, very carefully as it is of most practical utility. The knowledge gained in previous chapters will serve as a base to understand all the basic principles of operation and maintenance.
To ensure safe and efficient running of plant, a routine checkup and maintenance schedule is followed. By following this schedule, various parts/components are either readjusted or repaired or replaced. In spite of routine check up and keeping maintenance of the refrigeration plant, some problem may further come during its operation. To each problem there are some causes and remedies which a plant operator should know about. If the causes and remedies are minor sometime he can himself rectify these. However, if these are major, must be attended by expert maintenance staff.
The routine check up and periodic maintenance including servicing, cleaning, setting etc. is given the name as ‘preventive maintenance’. Preventive maintenance is done even if the refrigeration plant is working properly. It minimizes the sudden breakdown of plant at the peak load, so prevents failure and saves maintenance cost. On the other hand, any repair, which is done at breakdown of plant, is given the name breakdown maintenance. Breakdown maintenance need to be immediately attended and is generally very costly. So it is usually minimized by properly following the preventive maintenance schedule.
To ensure safe and efficient running of plant, a routine checkup and maintenance schedule is followed. By following this schedule, various parts/components are either readjusted or repaired or replaced. In spite of routine check up and keeping maintenance of the refrigeration plant, some problem may further come during its operation. To each problem there are some causes and remedies which a plant operator should know about. If the causes and remedies are minor sometime he can himself rectify these. However, if these are major, must be attended by expert maintenance staff.
The routine check up and periodic maintenance including servicing, cleaning, setting etc. is given the name as ‘preventive maintenance’. Preventive maintenance is done even if the refrigeration plant is working properly. It minimizes the sudden breakdown of plant at the peak load, so prevents failure and saves maintenance cost. On the other hand, any repair, which is done at breakdown of plant, is given the name breakdown maintenance. Breakdown maintenance need to be immediately attended and is generally very costly. So it is usually minimized by properly following the preventive maintenance schedule.
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