MS 241 C-M
English
35
N
Remove chain sprocket cover, saw
chain and guide bar.
N
Release chain brake – pull hand
guard against the front handle
Fit new chain sprocket
–
after use of two saw chains or
earlier
–
if the wear marks (arrows) are
deeper than 0.5 mm – otherwise the
service life of the saw chain is
reduced – use check gauge (special
accessory) to test
Using two saw chains in alternation
helps preserve the chain sprocket.
STIHL recommends use of original
STIHL chain sprockets in order to
ensure optimal functioning of the chain
brake.
N
Use a screwdriver to remove the E-
clip (1)
N
Remove the washer (2)
N
Remove rim sprocket (3)
N
Inspect transport profile on the
clutch drum (4) – if there are also
heavy signs of wear, also replace
the clutch drum
N
Remove clutch drum or spur chain
sprocket (5) including needle
cage (6) from the crankshaft – with
QuickStop Super chain brake, press
throttle trigger lockout beforehand
Install spur chain sprocket / rim sprocket
N
Clean crankshaft stub and needle
cage and lubricate with STIHL
lubricant (special accessory)
N
Slide needle cage onto the
crankshaft stub
N
After refitting, turn the clutch drum
and/or spur chain sprocket approx.
1 full turn so that the carrier for the
oil pump drive engages – with
QuickStop Super chain brake, press
throttle trigger lockout beforehand
N
Refit the rim sprocket – cavities
toward the outside
N
Refit washer and E-clip on the
crankshaft
Checking and Replacing the
Chain Sprocket
001BA121 KN
001BA122 KN
1
2
4
5
6
1
2
3
6
Summary of Contents for MS 241 C-M
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