Unit 10: Safety Measures and Maintainance

dhm first semester DHM Notes

What is Maintenance?

Maintenance, also known as technical maintenance, refers to a set of processes and practices which aim to ensure the continuous and efficient operation of machinery, equipment, and other types of assets typically used in business. Diligence in implementing an effective maintenance program is essential to the successful performance and longevity of machinery, assets, facilities, and entire businesses.

Types of Maintenance

There are different types of maintenance work, each designed for specific scenarios. Knowing the differences between maintenance types helps people determine which ones are the most suitable for their purposes.

1.Routine Maintenance

This type of maintenance, also referred to as preventive maintenance, is implemented on a fixed schedule and typically includes activities such as inspecting, cleaning, washing, replacing, and checking. It is typically performed in the downtime between shifts or on weekends to avoid affecting productivity goals. Routine maintenance has two objectives; to identify existing issues so they can be corrected ASAP and to prevent possible issues from becoming a reality through consistent care.

2.Planned Maintenance

Where routine maintenance may happen on a daily, weekly, or monthly basis, planned maintenance may be scheduled once per year or as needed. This is because planned maintenance is more time-consuming, expensive, and thorough—often requiring the services of a specialist. In the context of maintaining an air-conditioning unit, routine maintenance is taking out and washing the filters once per month, while planned maintenance is hiring an HVAC professional to check refrigerant levels, possible leaks, and measure airflow through the evaporator coil.

3.Corrective Maintenance

If during your routine maintenance inspection of a car you discover signs of severe wear-and-tear, you need to perform corrective maintenance. When computer or gauge readings for a machine show unusual, possibly hazardous anomalies, you need to perform corrective maintenance. Corrective maintenance pertains to the repairs and replacements necessary to get an asset back up and running at full power and optimal condition.

4.Predictive Maintenance

This maintenance type focuses on techniques used to determine the appropriate schedule for planned and corrective maintenance. Its primary goal is to predict, through a variety of testing methods, when a machine will start experiencing severe wear and tear so corrective maintenance can be scheduled without affecting productivity goals and before the machine breaks down.

Importance of Maintainance in Housekeeping

1.Increase longevity of assets

One of the most common reasons businesses should bother with maintenance practices is to maximize the longevity of assets. Having the patience and dedication to regularly inspect, clean, and care for an expensive asset helps operations maximize productivity and cut costs by preventing expensive repairs and replacements.

2.Optimize asset performance

A well maintained asset operates at maximum capacity, positively affecting business ROI through efficiency and consistency.

3.Avoid unscheduled downtimes

Unexpected breakdowns can cause significant problems for any business. Financial losses, unhappy customers, and a disrupted operation can snowball into bigger issues where fallout is inevitable and costly to resolve. Diligent maintenance can help businesses avoid unexpected outages, ensuring operations run smoothly and without any hiccups.

4. Minimize costs

Most industrial machines used for business operations cost a small fortune to begin with, so it only makes sense to diligently maintain these assets in order to get the most out of them. Failure to implement good maintenance practices will lead to machine breakdown, costing the business more money through avoidable repairs and replacements, as well as lost productivity.

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