GB1216330188483109590
A DIESEL ENGINE CAMSHAFT WITH GEAR. THE GEARS ON THE END OF THE CAMSHAFT ARE DRIVEN BY THE GEAR CHAIN, WHICH ITSELF IS DRIVEN FROM THE CRANKSHAFT GEAR AT THE LOWER END OF THE ENGINE. AS THE CAMSHAFTS ROTATE THEY OPERATE THE ENGINE VALVES, WHICH OPEN AND CLOSE ALTERNATELY, ALLOWING THE AIR INTO THE ENGINE (INLET CAM) AND EXHAUST GASES OUT (EXHAUST CAM). THE CAMSHAFT IS MADE OF CAST IRON AND THE GEAR IS MADE OF STEEL.