This case study reviews that the maintenance engineering process which is used by small scale industry and faced many time problems in shop floor and in this case stop the production and call the maintenance engineer but right now is not possible to any maintenance engineer is free come and rectify the problem, so this type of process some time given very big losses to the industry, example is HMT company follows the breakdown maintenance policy they never change yourself with time and the latest demand is to use predictive maintenance with prognostic and diagnostic process with CMMS (Computer maintenance management system) software.