Page 40 - An Introduction To Predictive Maintenance
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30       An Introduction to Predictive Maintenance






                   (-ve)
                                                           Potential
                                                           saving
                   Cash     Aggregated running costs
                  outflow
                   (  ) S
                                                      Likely running cost if CM
                                                       eliminates stoppages





                       0
                        0               Time/usage (hours)
                  Figure 2–4 Typical potential savings produced by use of condition
                  monitoring.



                    (-ve)


                    Cash       Installation of
                   outflow      CM system
                    (  ) S
                                      Pay off cost
                                      of installation


                                                 Routine operation of CM system
                        0
                         0
                                       Time (hours)
                   Figure 2–5 Typical cost of condition monitoring installation and operation.


         creating access, installing foundations, covering or protection, power supply, service
         access, and so on. Some or all may be subject to development grants or other finan-
         cial inducement, as may the cost of consultancy before, during, or after the installa-
         tion. This could well include the cost of producing a financial project justification. The
         cost of lost production during installation may be avoided if the equipment is installed
         during normal product changes or shutdown periods; however, in a continuous process
         this may be another overhead to be added to the initial capital investment. Finally, it
         may be necessary to send staff to a training course, which has not been included in
         the equipment price. The cost of staff time and the course itself may be offset by train-
         ing grants in some areas, which should be investigated. It is also possible that the
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