PT Pindad is an Indonesian government owned manufacturing industry specializing in military and other commercial product such as maritim equipment. One of the ships equipment products manufactured by PT Pindad is Assymbly Frame manufactured in DEPSIN.Machines that can be used for the production of Assymbly Frame, there are 2 that Weldrich Siegen and Toshiba. Because the machine Weldrich Siegen being damaged, then the Toshiba machine work alone, and if the Toshiba machine can not be used, the company can not perform the production process.Based on historical data in 2011 and 2012, the Tohsiba machine has a number of down time average DEPSIN exceeds the specified amount, so that the study focused on Toshiba machines . Based on the interview, corrective maintenance activities are performed is estimated at 90% of all maintenance activities. Therefore, it needs a proper maintenance task and optimum interval preventive maintenance time for Shot Blasting machine that considered the risk factors and the condition of the machine at the present time.
Determination of appropriate maintenance task performed using Realibility Centered Maintenance (RCM). Based on theresults ofdata processingusingRCM, obtained4 policiesforall componentsToshiba machinewhichincludesscheduledrestorationtask, scheduleddiscardtask, scheduledon-condition task and findingfailure.There are 11 componentswithscheduledon-condition task, 4components includedin the policyscheduledrestorationtask, 2componentswith scheduleddiscardtask and1componentswithfailure finding. Risk Based Maintenance is performed to determine the risk and consequences caused by mechanical system failure of Toshiba Machine. The risk caused by mechanical system failure within 2 year or 17520 hours is Rp. 409.214.956,50. According to the analysis which is performed by comparing risk and risk acceptance criteria generated that the risk which is incurred due to the failure of mechanical of Toshiba machine within 2 year exceeds the risk acceptance which was determined by PT Pindad. Therefore, it is necessary to determine the optimum interval preventive maintenance time which aims reducing the risk caused by failure machine. By implementing the proposed of preventive maintenance activities, the companycancarry outmaintenanceactivitieswith the optimum time interval.Because of the high downtime, then the calculation is done also divided into Repairable spare parts and nonrepairable, showed procurement of spare parts 58 non-Repairable and 17 Repairable spare parts
Realibility Reliability-Centered Maintenance, Risk-Based Maintenance, Preventive Maintenance,Repairable,Non-Repairable