Checking And Replacing The Chain Sprocket - Stihl GS 461 Instruction Manual

Check guide bar for uneven wear
N
(ridge offset)
Flip the guide bar, if necessary
N
remove the bore of the guide bar
with guide bar straightener
GS 461
Checking and Replacing the
Chain Sprocket
Remove chain sprocket cover,
N
diamond abrasive chain and guide
bar
Replacing rim sprocket
If the diamond abrasive chain is
–
being replaced, also replace the rim
sprocket
If the wear marks (arrows) are
–
deeper than 0.5 mm – otherwise the
service life of the diamond abrasive
chain is reduced – use check gauge
(special accessory) to test
Using two diamond abrasive chains in
alternation helps preserve the chain
sprocket.
Removing rim sprocket
If only the rim sprocket is removed, the
clutch drum does not need to be
removed.
3
2
Remove cap (1)
N
Remove rim sprocket (2)
N
Inspect transport profile on the
N
clutch drum (3) – if there are also
heavy signs of wear, also replace
the clutch drum (3)
Installing rim sprocket
Fit rim sprocket (2)
N
Fit cap (1)
N
Replacing clutch drum
5
4
6
3 2
Remove cap (1)
N
Remove rim sprocket (4)
N
Use a screwdriver to remove the E-
N
clip (2)
Remove washer (3)
N
Remove clutch drum (5) with needle
N
cage (6) from the crankshaft
English
1
1
25