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All Journal ASRO JOURNAL - STTAL STTAL POSTGRADUATE - INTERNATIONAL CONFERENCE
Basuki Basuki
STTAL
Computer Science & IT Decision Sciences, Operations Research & Management Education Electrical & Electronics Engineering Engineering Industrial & Manufacturing Engineering Mechanical Engineering Other

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PREVENTIVE MAINTENANCE ANALYSIS ON THE KELVIN HUGHES MKVII X-BAND NAVIGATION RADAR IN WARSHIP TYPE-Z Basuki Basuki; Chairul Imron; Eko Krisdiono
JOURNAL ASRO Vol 12 No 4 (2021): International Journal of ASRO
Publisher : Indonesian Naval Technology College - Sekolah Tinggi Teknologi Angkatan Laut - STTAL

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Abstract

Navigation Radar has a very vital role for the readiness of KRI operations. However, with the age of the KH MKVII X-Band radar on the KRI Type-Z class which has reached eleven years and is faced with high operational tasks, making the radar has a high risk of damage. While the repair process takes quite a long time, especially if it requires replacement of spare parts. Therefore, preventive maintenance is needed to maintain radar readiness. In this study using FMECA to determine critical components and reliability to determine the replacement time of critical components with a minimum reliability of 0.65. The results of FMECA,analysis Risk Matrix, data distribution and reliability of 17 components obtained 5 components withcategory risk rating a high, namely Modulator RPN value of 365.25 with a proposed replacement of 3482 hours, Tx Microcontroller value of RPN 302.62 with a proposed replacement of 5803 hours, LNFE RPN value of 261.75 with proposed replacement of 5887 hours, Power Supply Trx value of RPN 260,05 with proposed replacement of 5498 hours and Magnetron with RPN value of 256.12 with proposed replacement of 5148 hours. By following the proposed component replacement before the component is damaged, it can save a budget of 12.87% or Rp. 27,612,000.00. Keywords: FMECA, Risk Priority Number, Reliability, Risk Rating
DETERMINATION TIME INTERVAL REPLACEMENT OF CRITICAL COMPONENTS IN SPERRY MARINE BRIDGEMASTER E RADAR SATUAN KAPAL CEPAT KOARMADA II Basuki Basuki; Avando Bastari; Priyadi Hartoko
STTAL POSTGRADUATE - INTERNATIONAL CONFERENCE Vol 5 No 1 (2021): Indonesia Naval Technology College STTAL Postgraduate International Conference -
Publisher : Indonesian Naval Technology College STTAL

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Abstract

One aspect of KRI operation readiness is navigation equipment where the navigation radar as a system for detection and location of objects has vital function so that high radar readiness is needed to support operations. To fix or prevent system damage, scheduled maintenance management is needed. The critical components of the Sperry Marine Bridgemaster E Radar were determined using the FMECA and reliability models in this analysis. The Risk Priority Number (RPN) was calculated using the FMECA model and was used as a reference value when evaluating critical components. The Risk Matrix is used to analyze the RPN value of each component. Of the 20 (twenty) components found, 7 (seven) are considered critical. It is a DC motor drive, Interface Unit, Magnetron, Modulator, Power Supply Scanner, Electronic Processor Belt and Drive Belt. With a value of 51840, the DC Motor Drive component has the highest RPN value, while the Dive Belt component has the lowest RPN value of 43776. Modulator has the shortest replacement period of 128 days, while the Processor Electronic Unit has the longest replacement time of 271 days. Keyword : FMECA, Time Interval of Replacement, Risk Priority Number (RPN), Reliability
Co-Authors Avando Bastari Chairul Imron, Chairul Eko Krisdiono Priyadi Hartoko