Stihl 018 Instruction Manual - Page 30
Tensioning the Saw Chain
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Tensioning the Saw Chain Models with Front Chain Tensioner Tensioning the Saw Chain Models with Quick Chain Tensioner 143BA045 KN 135BA012 KN 1 13 14 • Place sprocket cover in position engage guide lugs in recesses in engine housing and check that the teeth of the adjusting wheel and tensioning gear mesh. If necessary, turn the adjusting wheel (13) slightly until the sprocket cover can be pushed flush against the engine housing. • Pull out the hinged handle (14) of the wingnut so that it snaps into position. • Engage wingnut and tighten it down moderately. • Now refer to chapter "Tensioning the Saw Chain" 135BA013 KN Retensioning during cutting work: Turn off the engine •• Slacken the nuts. • Hold the bar nose up - use screwdriver to turn the tensioning screw (1) clockwise until chain fits snugly against the underside of the bar. Tighten down the nuts firmly. A new chain has to be retensioned more often than one that has been in use for some time Check chain tension frequently see section "During Operation". • Now refer to chapter "Checking Chain Tension" 28 1 2 Retensioning during cutting work: Turn off the engine •• Pull out the handle of the wingnut Slacken off the wingnut. • Turn adjusting wheel (1) clockwise up to the stop. • Tighten firmly down the wingnut (2) by hand. • Fold down the handle of the wingnut. • Check chain tension. A new chain has to be retensioned more often than one that has been in use for some time Check chain tension frequently see section "During Operation". • Now refer to chapter "Checking Chain Tension" 017, 018 143BA038 KN
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