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Single=p ce crankcase and cylinder block made of special casting; crank case covers for engine inspection, <br /> welded sfeeI oil pan. <br /> Crankshaft and main bearings <br /> Drop-forged, precision ground, surface hardened, statically and dynamically balanced; main bearings (upper <br /> bearing shell: grooved bearing/lower bearing shell: sputter bearing) arranged between crank pins, drilled oil <br /> passages for forced-feed lubrication of connecting rods. <br /> Vibration damper <br /> Maintenance free viscous damper <br /> Flywheel <br /> With ring gear for starter motor and additionally screwed on. <br /> Pistons <br /> Single-piece made of steel, with piston ring carrier and oil passages for cooling; piston rings made of high <br /> quality material, main combustion chamber specially designed for lean burn operation. <br /> Connecting rods <br /> Drop-forged, heat-treated, big end diagonally split and toothed. Big end bearings (upper bearing shell: sputter <br /> bearing/lower bearing shell: sputter bearing) and connecting rod bushing for piston pin. <br /> Cylinder liner <br /> Chromium alloy gray cast iron, wet, individually replaceable. <br /> Cylinder head <br /> Specially designed and developed for GE JENBACHER-lean burn engines with optimized fuel consumption <br /> and emissions; water cooled, made of special casting, individually replaceable; Valve seats and valve guides <br /> and spark plug sleeves individually replaceable; exhaust and inlet valve made of high quality material; Pre- <br /> chamber with check-valve. <br /> Crankcase breather <br /> Connected to combustion air intake system <br /> Valve train <br /> Camshaft, with replaceable bushings, driven by crankshaft through intermediate gears, valve lubrication by <br /> splash oil through rocker arms. <br /> Combustion air/fuel gas system <br /> Motorized carburetor for automatic adjustment according fuel gas characteristic. Exhaust driven turbocharger, <br /> mixture manifold with bellows, water-cooled intercooler, throttle valve and distribution manifolds to cylinders. <br /> Ignition system <br /> Most advanced, fully electronic high performance ignition system, external ignition control. <br /> Lubricating system <br /> Gear-type lube oil pump to supply all moving parts with filtered lube oil, pressure control valve, pressure relief <br /> valve and full-flow filter cartridges. Cooling of the lube oil is arranged by a heat exchanger. <br /> 19.04.2011/2 TS JGS616 E22 4160V April 19 2011 Ameresco Forward LFG-WES <br /> 13/32 <br />