The questions arises in mind :-
What we plan to do about breakdowns of machines?
what steps are we going to take to prevent the breakdowns?
The answer to the question:-
Preventive maintenance before breakdown
Maintenance after break down happens
Preventive maintenance reduces the no of breakdowns
Maintenance Management
Efficiency of the production function
Solely depends upon the functional reliability of the production facilities
Which are nothing but a package of land ,building ,plants & equipment , tools & plant services
Such as material handling , power plant , gas & steam lines, water supply , fire fighting facilities.
Subject to wear & tear
What is maintenance
Function of production management that is concerned with the day to day problem of keeping the physical plant in good operating condition
It is necessary to ensure the availability of the machines , building & services needed by the other parts of the organization for the performance
Maintenance Management
Maintenance management is concerned with the direction& organization of resources in order to control the availability & performance of the industrial plant to some specified level
Keeping machinery , equipment and plant services in proper condition
Scope of Maintenance
Machines break down
Parts wear out
Building deteriorate over a period of time
Maintenance covers two broad categories functions
Primary functions
Secondary function
Primary function
Maintenance of existing plant and equipments
Maintenance of existing plant building and grounds
Equipment inspection and lubrication
Utilities generation and distribution
Alteration to existing equipments
New installations of equipments
Secondary functions
Storekeeping
Plant protection including fire protection
Waste disposal
Salvage
Property accounting
Pollution and noise control
Importance of maintenance mgt.
Competitive edge and customer services
Quality assurance
Avoid the danger of losing market share
Cost control
Impact of poor maintenance
Reduced production capacity
Rise labour cost
Poor product & service quality
Injuries to employee
Injuries to customer
Customer satisfaction
Objectives of maintenance mgt
Minimizing the loss of productive time
Minimizing the repair time
Minimizing the loss due to production stoppages
Prolonging the life of capital asset
Keep all productive assets in good working condition
Improve quality of goods
Minimize accidents
Areas of maintenance
Civil Maintenance : water , gas , steam , compressed air , heating etc
Also include house keeping , scarp disposal , fencing , Gardening, lawns etc.
Mechanical maintenance : transport vehicles , MH equipment , boilers etc
Electrical : generators, transformers ,motors , telephones , lighting, fans etc
Type of maintenance
Break down maintenance
Preventive maintenance
Predictive maintenance
Routine maintenance
Planned maintenance
Planning & scheduling mgt
Maintenance planning seeks answer to the following question:
What maintenance activities to be carried out?
How these activities to be carried out?
Where these activities are to be performed?
why these activities are to be performed?
When these activities are to be performed?
Maintenance planning steps
Know the equipment
Establish the priorities
Investigate the maintenance work
Develop the repair plan
Prepare the list of maintenance material
Prepare the list of specific tools
Estimate the time requirement
Provide the necessary safety devices
Scheduling maintenance work
Scheduling indicates what maintenance work has to be carried out when & also in what sequence the work to be done
Who should do the maintenance works which are already planned?
When the maintenance work has to be done?
Reasons for maintenance sch.
Utilize the maintenance crew effectively
Utilize the maintenance equipments & tools effectively
Reduce the interruption in production
Reduces abrupt breakdown
