Main Engine Hyundai Sulzer 7RTA 84T-D piston overhauling. Few other types of sealing arrangements such as mechanical face seal and lip seal use materials or lubrication systems which are more technically advanced. engine reduction gearbox. For a maximum versatility the drop box can be rotated 360° to allow the user the optimal positioning of the output flanges. (The gear box of at least one medium-speed engined ship had to be expensively replaced after six months operation with the emergency coupling arrangement.) Marine Machinery, Engines & Controls. Download. Headquartered close to Piraeus, our Company supports vessels with urgent or scheduled repair requirements in our workshop, in Greek ports as well as on a global level. On the outside of each set of segments is a garter These two surfaces, where the shaft and packing meet, tend to polish each other and if over tightened can lead to pre-mature shaft wear or excessive heat. The stuffing box is flanged and bolted to the stern tube. All the stuffing boxes packed with flax rings are specifically fitted to allow a bit of leakage. A stuffing box is used which separates and seals the crankcase against the combustion chamber. 2010. Spare parts Marine Library. Excessive wear will take place if the crosshead guides are out of 2-stroke Diesel Engines Cylinder Liner, Cylinder cover, Piston, Piston Rings, Piston Rod and Stuffing box. and increase the risk of a crankcase explosion. condition of the rings can be ascertained. Bracket 34 . Marine engines on ships are responsible for propulsion of the vessel from one port to another. In the case of a reciprocating steam engine, for example, stuffing box is applied both to the whole sealing arrangement and to the annular space into which the packing fits. Global Maritime Supply Pty Ltd. Specialises in Auxiliary Engine Spares. The "box" is a cylindrical assembly, typically of bronze, comprising a sleeve threaded on one end to accept adjusting and locking nuts. Any oil that passes this primary set is Problems caused by stuffing box leakage oil entering crankcase. Stuffing Box is a sealing gland, having numerous applications on a ship. Properly packed flax is compressed and watertight, but decomposes into blackened fluff over time. ... A One Stop Shop for engine spare parts, ship general store, ship repair for your fleets passing Singapore. Low speed engines are particularly at risk from crankcase lubricant contamination caused by cylinder oil drainage past the piston rod gland and combustion products. engine reduction gearbox MM W1900 / MM W1900 NR. 3 ... MAN B&W Engines The ME/ME-C and MC/MC-C Series. RISKS OF INADEQUATE TREATMENT 19 8. This article is within the scope of WikiProject Ships, a ... 'Stuffing box', as a term, refers ... 's problem. About. Folding table 21 . Stuffing box oil can be re-used because the oil is not contaminated. In the case of a steam engine, it is placed strategically within the piston area. 5.6 Crosshead Engine Stuffing Box Leakage Oil 15 6. Bottom frame 32 . Expected lifetime. The stuffing box is mounted on a ring which is bolted onto the underside of the scavenge air box. Main engine rating (kW) capacity (m‡) up to 1,000 4 Above 1,000 up to 20,000 P/250 Above 20,000 40+P/500 Where: P = main engine rating in kW. Enterprise was approximately 8 miles. Step by step instruction. increase in viscosity of the crankcase oil. However Headquartered close to Piraeus, our Company supports vessels with urgent or scheduled repair requirements in our workshop, in Greek ports as well as on a global level. By observing the open ended tell tale referred to above, a guide to the However this is not necessarily a good idea. (OpenCube Inc. -****.,