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Piston Failures Of Marine Type 6rld66 Diesel Engines

Monieta J.

Journal of Polish CIMAC

2007

Vol. 2, no 2

355-360

The paper presents results of operational research on the of reliability of pistons, which have bee often been subjected to critical damage, sudden and gradual. The low-speed marine diesel engines type 6RLB66 have been produced under Sulzer licence and used for main propulsion of bulk carriers (type B542). Sudden failures of pistons have caused bad operating troubles and large economic losses. Analysis of failures and wear was based on investigation of records ship’s document, computer records and on observation of engines and their of sub-assemblies during ships’ stays in ports and shipyards Selected functional and numerical coefficients of reliability were estimated by determining the relations between time of correct work and failures of combustion engines pistons.