61FC 75, FC 85, FH 75, FS 75, FS 80, FS 85, HL 75, KM 85, KW 85
: Press down the lock button 
(arrow) and hold it in that 
position.
: Pull out the drive shaft (1) 
together with the sleeve (2).
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: Pull out the clips (1).
: If the sleeve (2) is fitted, heat it 
with a hot air blower.
– Remove the sleeve.
If the drive shaft has turned blue, 
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always install a new one.
: Push the sleeve (1) onto the drive 
shaft (2).
: Press the sleeve (3) on to the 
knurling. 
– Fit the clips.
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– Before installing the drive shaft, 
coat it with STIHL gear lubricant 
0781 120 1109, b 12.
Apply the lubricant evenly to the 
drive shaft. Never pump lubricant 
directly into the drive tube.
: Push the drive shaft (1) with 
sleeve (2) into the drive tube.
: Press down the lock button 
(arrow) and push the sleeve (2) 
home as far as stop.
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: Push the coupling sleeve (1) onto 
the drive tube (2) as far as stop.
Line up the coupling sleeve so that 
the slot engages the lug and the gap 
in the clamp points down.
: Tighten down the clamp screw 
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(3) firmly.
– Fit the drive tube.
– Tighten down the wing screw 
firmly.