Stihl 009 Instruction Manual - Page 29
cessary. See Guide Bar, Chain and Sprocket
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Fitting the sprocket cover Top: Center: Bottom: Tensioning the chain Holding bar nose and tightening the hexagon nut Checking chain tension 12 11 125BA009 LA 125BA008 LA 125BA010 LA 36 Fit collar nut on the stud bolt . On machines without a chain brake, also fit the pan head screw (2). Both the collar nut and pan head screw should only be screwed down temporarily at this stage. Hold the bar nose up and turn the tensioning screw until the Oilomatic chain is properly seated on the underside of the bar. The Oilomatic chain is correctly tensioned when it fits snugly against the underside of the bar but can still be pulled easily along the bar. 1 After finally tensioning the chain, again hold the bar nose up and securely tighten down the collar nut and - on machines without chain brake - the pan head screw . Chain tension and lubrication are extremely important in respect of the cutting results obtained and the service life of the whole cutting attachment. Chain lubrication must always be checked before you start cutting. Chain tension should be checked frequently during cutting and corrected as necessary. See chapter "Guide Bar, Chain and Sprocket" for further details. 5 8 125BA011 LA
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