Manual Systems
Computerised systems are now being installed in preference to the manual (paper based) preventive maintenance systems that have been around for many years. Commonly, these paper systems are little more than a record of scheduled maintenance. These have had limited success because of:
the problems associated with training people to be disciplined enough to maintain the maintenance system, that is, to input the data to the system
the effort required, by supervisors and managers, in the organisation and documentation of the system
trade group's reluctance to become involved in paper work
the effort associated with the acquisition and compilation of meaningful data and statistics from the system.
In a typical paper system, each piece of equipment or asset will have a history card or file. This file will contain the asset's detailed description, along with information on maintenance procedures to be used, periodicities, trades required, last maintenance dates, and perhaps some out of date information about a breakdown, which occurred years ago! To determine what maintenance is due requires someone to look through every card, check each of the last maintenance dates against the periodicities and select those, which are due. Next, the appropriate maintenance procedures must be selected from the file before work instructions are raised and issued to the relevant trade's persons. Upon completion of the work, the relevant asset's file must be selected, details updated and the file replaced in its slot. Whether one or several persons complete these tasks, many man-hours are involved and to properly support any reasonable sized system of this type can become virtually a full time occupation.
Manual Systems
Computerised systems are now being installed in preference to the manual (paper based) preventive maintenance systems that have been around for many years. Commonly, these paper systems are little more than a record of scheduled maintenance. These have had limited success because of:
the problems associated with training people to be disciplined enough to maintain the maintenance system, that is, to input the data to the system
the effort required, by supervisors and managers, in the organisation and documentation of the system
trade group's reluctance to become involved in paper work
the effort associated with the acquisition and compilation of meaningful data and statistics from the system.
In a typical paper system, each piece of equipment or asset will have a history card or file. This file will contain the asset's detailed description, along with information on maintenance procedures to be used, periodicities, trades required, last maintenance dates, and perhaps some out of date information about a breakdown, which occurred years ago! To determine what maintenance is due requires someone to look through every card, check each of the last maintenance dates against the periodicities and select those, which are due. Next, the appropriate maintenance procedures must be selected from the file before work instructions are raised and issued to the relevant trade's persons. Upon completion of the work, the relevant asset's file must be selected, details updated and the file replaced in its slot. Whether one or several persons complete these tasks, many man-hours are involved and to properly support any reasonable sized system of this type can become virtually a full time occupation.
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