Operation Manual
17HT 70, HT 75
english
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“. 
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.
: Use a suitable tool to push the slide 
to the bottom of the slot (see 
illustration).
* see "Guide to Using this Manual"
Tensioning the Saw Chain
1
390BA045 KN
Checking Chain Tension
390BA046 KN
Adjusting the Throttle 
Cable*
002BA163 KN










