FAILURE MODE AND EFFECTS ANALYSIS OF DIESEL ENGINE FOR SHIP NAVIGATION SYSTEM IMPROVEMENT Danny Faturachman 1 , Shariman Mustafa 2 , Fanny Octaviany 3 , Theresia D. Novita 4 1 Uiversitas Darma Persada, University Malaysia Pahang, fdanny30@yahoo.com 2 University Malaysia Pahang, shariman@ump.edu.my 3 Universitas Darma Persada, fanny_octaviani@yahoo.com 4 Universitas Darma Persada, nofee_13@yahoo.com 1,3,4 Jl. Radin Inten 2 No.1, Pondok Kelapa, Jakarta Timur 13450, Indonesia, 628649051, 628649052 2 26300 Lebuhraya Tun Razak, Gambang, Kuantan, Pahang, Malaysia, 6095492252, 6095492167 Abstract Indonesia is the world’s largest archipelago, 2/3 of the country is covered by sea. But due to many factors a lot of ship accidents occurred every year, and claiming a large number of casualties. Efforts have been done to improve the safety of domestic sea transportation, as the result to be fully compliance to the SOLAS (Safety Of Live At Sea) regulations regarding to the IMO (International Maritime Organization) convention, worsen by varying sea and cargo characteristic, and low educated passengers, they are very vulnerable to accidents. There are so many accidents in sea transportation in Indonesia, especially in 2005-2010 is due to human errors and only a few caused by natural factors and others. Most of the accidents occur due to the low awareness of the aspects of security and safety. Equipment’s and system on board ship, will not remain safe or reliable if they are not maintained. Failure Mode and Effects Analysis (FMEA) approach is chosen as a risk assessment methodology in this paper to synthesize the potential failure modes and their associated causes for product design, especially in ship diesel engine. In this paper, the study proposes the fuel oil system in the ship diesel engine. Fuel oil system is extremely important system on a ship which is designed to supply clean fuel oil to main engine, diesel generators and emergency diesel generators. FMEA is an effective tool or technique used for identifying possible failures and mitigating their effects. In various life cycle phase of diesel engine, FMEA activities are executed, and detailed FMEA documents are usually used as reference. Design changes can be executed according to the existing FMEA documents, especially for the most dangerous failure modes with high prevention difficulty. Keywords: FMEA, Diesel Engine, Indonesia 1. Introduction The lack of the ship as a means of transport caused by unplanned maintenance system resulted in a decrease of existing equipment performance on his boat in particular motor carrier. Treatment cannot be regarded as excluded because when in the process performance of a motor carrier does not do care, then the motor carriers will decline slowly but surely. A motor carrier in ship usually called diesel engines. A diesel engines are well known for their operational robustness and efficient performance. These attributes make them a leading choice for prime movers in critical industrial, and mobility applications. Despite the diesel engine's known reliability, there are some operational issues that justify monitoring critical engine components and subsystems in order to increase the overall availability and readiness of diesel-powered systems. Moreover, engines typically constitute a significant fraction (1/10-1/5) of the acquisition cost and a comparable fraction of the life cycle cost for mobility applications, thereby providing the motivation for engine condition monitoring on the basis of reducing life cycle costs. Review of the available literature indicates that the fuel injection and cooling subsystems are among the most problematic on diesel engines contributing to reduced readiness and increased maintenance costs. These faults can be addressed and studied using scaled testing to build the necessary knowledge base to quickly transition the methods to full-scale, more costly diesel engines (Banks, et al 2001). Diesel engines play major roles in automotive and stationary applications (Nunney, 1998). The life cycle cost of diesel engine is largely determined by the design phase, and its inherent reliability is also heavily influenced by this phase. In order to improve the reliability of the engine, similar diesel engine which have detailed FMEA (Failure Mode and Effects Analysis) documents are usually used as references for priority identification and risk estimation of failures model in FMEA. FMEA is a methodology designed to identify potential failure modes for the product, to assess the risk associated with those failure modes, to rank the issues in term of importance, and to carry out corrective actions to address the most serious failure modes. Failure modes may be introduced in design, manufacture, and/or usage, and can be potential or actual. Effects analysis refers to studying the consequences of those