Maintenance Types Pdf

Concept of Reliability in Maintenance Reliability is the probability of survival under a given operating environment. The actions include the combination of all technical and corresponding administrative, managerial, and supervision actions. Basically, predictive maintenance differs from preventive maintenance by basing maintenance need on the actual condition of the machine rather than on some preset schedule. The reason for such high level of availability is generally high cost in production due to a fault.

In some cases, certain components need replacement, e. The concept of reliability can be matched with systems concept. Principles of Management Tutorial.

Some equipment are subjected to rules or regulations by the Administration. It is not possible to determine that a particular machine, the type of maintenance to be applied is one of the traditional corrective, scheduled, predictive, etc. There are many advantages of predictive maintenance. Lubrication is always profitable.

This methodology would be analogous to a preventive maintenance task. In addition to waiting for a piece of equipment to fail reactive maintenance the other approaches are preventive maintenance, predictive maintenance, or reliability centered maintenance. This type of maintenance has many different variations and is subject of various researches to determine best and most efficient way to maintain equipment. Four general types of maintenance philosophies can be identified, namely corrective, preventive, jis b 7507 pdf risk-based and condition-based maintenance. Maintenance models Each of the models presented below include several of the previous types of maintenance at the indicated rate.

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Maintenance Management Introduction. To apply this maintenance, it is necessary to identify physical variables temperature, vibration, power consumption, etc. Visibility Others can see my Clipboard. These tasks must necessarily be incorporated into the Maintenance Plan of the equipment, whatever model you decide to apply. This review is based on leaving the equipment to zero hours of operation, that is, as if the equipment were new.

Are you looking for support or purchase information? The set of tasks is destined to correct the defects to be found in the different equipment and that are communicated to the maintenance department by users of the same equipment. This is a cost we could minimize under a different maintenance strategy.

With this remark, we can already define the various possible maintenance models. Show related SlideShares at end.

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PDF) Maintenance and its types

We think that every equipment will need a different mix of different types of maintenance, a particular mix of tasks, so that maintenance models will be as many as existing equipment. Requires less staff since less work is being done Possible secondary equipment or process damage. If this time is more, the product is said to have high reliability.

It is a check that, more or less, takes the entire airplane apart for inspection and overhaul. Maintenance based on the equipment performance monitoring and the control of the corrective actions taken as a result. While preventive maintenance is not the optimum maintenance program, it does have several advantages over that of a purely reactive program. It manages trend values, by measuring and analysing data about deterioration. Minimizing failures translate into maintenance and capital cost savings.

All equipment displaying abnormal values is refurbished or replaced. Corrective Maintenance Advantages Disadvantages Lower short-term costs Increased long-term costs due to unplanned equipment downtime.

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Types of maintenance4 types of maintenance strategy which one to chose

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The Administration requires the completion of a series of tasks, tests and inspections, and some of them must be performed by companies duly authorized to carry them out. This is because it is demonstrated that these tasks realization in any equipment is profitable. To answer this question it is convenient to define the concept of Maintenance Models.

No concern is given to the actual condition and performance capability of the oil. The general failure pattern of any product is given in the following figure. The prices are not market prices, but monopoly prices. It is further divided into periodic maintenance and predictive maintenance. Are you sure you want to Yes No.

Types of Maintenance Management