Stihl HT 75 Instruction Manual - Page 18
Tensioning the Saw Chain, Checking Chain Tension, Adjusting the Throttle Cable *, firmly
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390BA045 KN 390BA046 KN 002BA163 KN Tensioning the Saw Chain Checking Chain Tension 1 english Adjusting the Throttle Cable* A properly adjusted throttle cable is the precondition for correct operation in the full throttle, starting throttle and idle positions. Adjust the throttle cable only after the unit is fully assembled. Retensioning during cutting work: : Shut off the engine and then slacken the nut. : 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 nut 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 chapter "Operating Instructions / During Operation". : Check chain tension. : Shut down the engine. : Wear work gloves to protect hands. : Chain must fit snugly against the underside of the bar and it must still be possible to pull the chain along the bar by hand. : If necessary, retension the chain. A new chain has to be retensioned more often than one that has been in use for some time. Check chain tension frequently - see chapter "Operating Instructions / During Operation". : Use a suitable tool to push the slide to the bottom of the slot (see illustration). HT 70, HT 75 * see "Guide to Using this Manual" 17