Operation Manual
19MS 240, MS 260, MS 260 C
5. Cutting Attachment
Wear gloves to protect your hands 
from injury.
: Unscrew the hex nuts (1).
: Remove the chain sprocket 
cover (2).
: Remove the guide bar (3) with 
chain.
– Reassemble in the reverse 
sequence.
Versions with Quick Chain 
Tensioner
Wear gloves to protect your hands 
from injury.
: Swing the wing nut (1) upright 
and loosen it counterclockwise.
: Remove the sprocket cover (2) 
and tensioning gear (3) with 
guide bar (4).
– Reassemble in the reverse 
sequence.
1
2
3
165RA002 TG
2
1
4
165RA464 TG
3
: Carefully pry the wing nut (1) out 
of the sprocket cover (arrow).
– Check the wing nut (1) and 
replace if necessary
– Swing the wing nut (1) upright.
: Push the wing nut (1), thin side 
first (see arrow), into the opening 
and press it down until it snaps 
into positon.
: Take out the screw (arrow).
– Remove the cover plate (1) and 
adjusting wheel (2).
1
165RA469 TG
1
165RA007 TG
1
165RA455 TG
2
When installing the adjusting wheel, 
make sure its teeth point 
inboard.
– Reassemble in the reverse 
sequence.
5.1 Chain Catcher
– Remove the sprocket cover and 
cutting attachment, b 5
: Take out the screw (arrow) and 
remove the chain catcher (1).
– Reassemble in the reverse 
sequence.
– Tightening torques, b 3.5
165RA247 TG
1










