Stihl MS 461 R Product Instruction Manual - Page 40
Oil Quantity, Control
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Oil Quantity Control English / USA After long period of full-throttle operation Allow engine to run for a short while at idle speed so that engine heat can be dissipated by flow of cooling air. This protects engine-mounted components (ignition, carburetor) from thermal overload. Oil Pump with Higher Flow Rate (special option) 1 001BA157 KN After finishing work : Slacken off the chain if you have retensioned it at operating temperature during cutting work. The chain contracts as it cools down. If it is not slackened off, it could damage the crankshaft and bearings. Storing your saw for a short period: Wait for engine to cool down. To avoid condensation, fill the fuel tank and keep the machine in a dry place, well away from sources of ignition, until you need it again. Storing for a long period: See "Storing the Unit"! Different quantities of oil are required for different bar lengths, types of wood and cutting techniques. : Use the adjusting screw (1) (on underside of machine) to vary the oil feed rate as required. : E = Ematic position, medium oil flow rate - turn adjusting screw to "E" (Ematic position) : To increase oil feed - turn adjusting screw clockwise. : To reduce oil feed - turn adjusting screw counter-clockwise. Your chain must always be wetted with a film of lubricant. Oil pumps with a slot (2) in the adjusting screw: When the pump is set to range "a", the oil tank may run dry before the fuel tank and the chain will not be lubricated. : When using range "a", either fill the fuel tank to only half its normal capacity or refill the oil tank when the fuel tank is still about half full. MS 460, MS 460 R 39