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Chapter – 7<br />
Maintenance Management Module<br />
The primary purpose of this module is to record the different maintenance activities performed on a<br />
machine and thereby generate information on the performance of a machine. Other related actvities<br />
like recording the usage of spares in different sections and tracking the movement of spares from one<br />
section to another may also be done.<br />
When maintenance work is required on a machine, a person from the particular section where the<br />
machine is installed has to enter the machine handover details. On entering the machine number, the<br />
computer cross checks the validity of the machine number and the machine description and section<br />
are automatically displayed. The type of maintenance (electrical, electronic, mechanical etc)<br />
involved must be entered. Maintenance transactions are to be registered for breakdown as well as<br />
preventive maintenance.<br />
Once the machine has been handed over for maintenace, the maintenance section should register the<br />
planned date of completion of the maintenance activity.<br />
When the maintenance work is over, the restoration details are to be recorded. The number of<br />
persons involved in each grade and the number of hours worked has to be entered for each grade of<br />
labour involved in the maintenance activity. The labour cost is calculated and recorded.<br />
Once the preventive maintenance activities on each machine have been identified,the preventive<br />
maintenace schedule should be planned for a given period. The period for which the preventive<br />
maintenance activities have been planned should be entered. Then for each machine scheduled date<br />
of the preventive maintenance should be entered. The scheduled date should not exceed the plan<br />
period. This actvity needs to be done after every plan period.<br />
The different preventive maintenance activities that are to be done on each machine are identified<br />
and registered. The interval after which the activity needs to be done again and the expected duration<br />
in hours is to be entered.<br />
Once a preventive maintenance has been done on a machine, the date when the same activity is to be<br />
done again is to be recorded.<br />
The available stock of spares in a section must be initialized. Whenever a certain quantity of a spare<br />
is required in a section, it may either be drawn from the main stores against a demand note or it may<br />
be obtained from another section where it is available. The sectional stock of that spare is then<br />
updated.<br />
Whenever a spare is transferred from one section to another, the transfer details must be recorded.<br />
The quantity is then reduced from the sending section whilst the quantity of that spare is increased in<br />
the receiving section.<br />
The quantity of spare material used in a maintenance activity must be recorded before the machine is<br />
restored back in the section. The material cost is calculated and recorded by the system. This may be<br />
used to generate the total maintenance cost for a particular machine.<br />
Ordnance Factories Institute of Learning, Dehradun 77